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subsidy area




Andhra Pradesh


Pre-approved subsidy ~30%

Available for solar systems to be installed on roofs of below categories of customers:


All types of buildings

Applicable states

  • Educational Institutions
    • Schools
    • Universities
  • Health Institutions
    • Hospitals
    • Medical College
Type of System :

Grid-connected solar systems (without batteries)

System Sizes :

5kW, 10kW, 15kW, 20kW, 25kW

Features :

Included (remote Monitoring System + O & M for 5years)


31/2 Years to 41/2 Years

Return on Investment

20% to 25%
Contact us

+91 99013 30955

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Inverter(UPS) & Battery Packages for home & office equipments

Choose from Pre-Engineered Non-Solar Kits

The inverter can only use grid power to charge the batteries

Choose from Pre-Engineered Solar Compatible Kits

Provides the flexibility to add solar panels in future without having to replace the inverter.

Build your Own Inverter Battery Combo

Brands Available

Why Us?



What is the difference between an inverter and a UPS?

An inverter is a device that converts DC (Direct Current) power into AC (Alternating Current) power. For example, a 12V inverter will convert battery power available at 12V DC into AC power at 230V in India.

UPS (Uninterrupted Power Supply) is a device that normally provides back-up power supply for any electrical gadget. To do this, the UPS typically includes the inverter, battery and battery charger in one standalone unit. UPS units also provide protection against many electrical problems like over-voltages, brownouts, power surges etc. and in certain cases also communicate with the equipments they are powering.

We often use the terms interchangeably in India, as given our need for back-up power, a standalone inverter (that converts only DC power to AC power) is often not very useful and we invariably need a device that is also equipped with a battery charger and hence, a UPS.

What are the different types of Inverters available?

Inverters are classified into different types based on the waveform of the output AC power they generate. The dominant waveforms generated by commercially available inverters are – square wave, modified sine wave (also known as quasi-sine wave) and sine wave (also known as pure sine wave). A comparison of the three waveforms is shown below:

Sine wave is the most superior waveform (as it matches the waveform of the AC power that we get from the utility grid) and inverters that generate this waveform are typically more expensive while square wave inverters require minimum circuitry and hence are the cheapest. With the prices of sine wave and modified sine wave inverters coming down and the increasing need of providing back-up power and protection to sophisticated electronic devices square wave inverters are gradually being phased out.

To buy inverters for 1-2BHK homes or, small offices, click here

To buy inverters for 3 – 5 BHK homes, or, medium-sized offices, click here

To buy inverters to run high power consuming appliances such as air conditioners, pumps, click here

To buy inverters to run sensitive office and home equipments such as servers, home theatre systems, click here

What are the different kind of appliances that should be used with square wave, modified sine wave and sine wave inverters?

The suitability of a particular waveform in an inverter depends upon the type of load the inverter is being connected to and the nature of usage (whether it is for continuous use or emergency use). A general comparison of the inverters based on the different waveforms is offered below:


Inverter waveform

Square wave

Modified sine wave

Sine wave

Loads suitable for

Lights and fans only Lights, fans, Personal Computers, TVs (there might be electrical noise in case of some models, check the specific inverter model), other household appliances All kinds of loads including sensitive electronics

Harmonics/Audible noise

High Medium Low


Low Medium High


Sine wave inverters:

The major advantage of a sine wave inverter is that it ensures trouble-free and efficient operation of all electrical and electronic equipments. Please note:

  • Certain appliances like sensitive medical equipment, audio/video electronics, household appliances such as variable speed drills, bread makers, light dimmers and battery chargers require waveforms with low harmonic distortion and should be connected to only sine wave inverters.
  • Many inductive loads, such as appliances containing motors also produce full output only when operated with true sine wave power.
  • Sine wave inverters also have a higher surge power tolerance and are able to cater to the higher surge current drawn by inductive loads during start-up.

Modified sine wave inverters:

These inverters provide a good value proposition as while not as expensive as sine wave inverters, they still are compatible with a broad range of electrical gadgets used at home or office such as TV, computers, printers etc. Please note:

  • When modified sine wave inverters are used to power inductive loads, such as appliances having motors, solenoids, compressors, pumps or relays, the loads tend to consume about 10-20% more power than when powered with true sine wave power.
  • Appliances with electronic timers and/or digital clocks will often not operate accurately due to the noise in a modified sine wave compared to a pure sine wave.

Square wave inverters:

These inverters are the cheapest and are typically suitable for running lights, fans and other devices that are not impacted by the harmonics present in this waveform. It is important to not connect square wave inverters to sensitive electronic appliances as they might cause irreparable damage to them.

What criteria should I use for selecting an inverter?

In order to maximize the output power (AC power) that an inverter can generate from a given amount of input power (DC power), it is important to select an inverter with the following characteristics:

High efficiency

– For details on this see question below

Low standby losses

– These losses are due to the power consumed by the inverter when it is on but no loads are running. This is the case in most residential situations, so it is important to select an inverter where these losses are a minimum.

High surge capacity

– Many household and office appliances, especially those with motors consume high power when they are switched on. If the inverter does not have sufficient surge capacity to support these loads then the inverter will shut down and could potentially get damaged as well.

Low harmonic distortion

– Harmonics can lead to performance problems in motors and sensitive electronics and also impact the useful lives of these equipments, hence it is always advisable to minimize the harmonic distortion caused by the output power produced by inverters. As mentioned in the table above, sine wave inverters have low harmonic distortion while square wave inverters have the highest harmonic distortion.

Learn more about the inverters suitable for different types of appliances, here

What is inverter efficiency and why does it matter?

The efficiency of an inverter determines the amount of AC output power it generates for a given input of DC power. This usually ranges from 85% to 95%, with 90% being about average.

When running such things as motors, the efficiency actually has two parts to it – the efficiency of the inverter, and the efficiency of the waveform. Waveform efficiency means that most motors and many electronic appliances run better and use less power with a sine wave. Typically, an electric motor (such as a pump or refrigerator) will use from 15% to 20% more power with a modified sine wave than with a true sine wave. Thus when choosing an inverter based on efficiency, you should also consider the type of loads being powered to determine true system efficiency.

Learn more about different types of inverters here

What is the difference between the “VA rating” and “W rating” of an Inverter/UPS?

The capacity of an Inverter/UPS is specified in terms of its VA rating and W (Watt) rating. The Watt rating relates to the amount of power it can deliver, and the VA rating relates to the amount of current it can deliver. Neither the VA nor the W rating of an Inverter/UPS can be exceeded.

The Watt rating of a load represents the “actual power” consumed by it while the VA rating is the “apparent power” consumed by it and is larger than the actual power due to some currents called reactive or harmonic currents that flow in and out of loads without actually delivering any power to it.  The ratio of the actual power to the VA rating is also called the “Power Factor” (PF). For many types of electrical equipment the difference between apparent power and actual power is very slight and can actually be ignored, but for some computers the difference is very large and important. In a study done by PC magazine, it was found that typical personal computer systems exhibit a power factor of 0.65 which means that the apparent power (VA) was 50% larger than the actual power (Watts). Normally most Inverter/UPS can handle loads with power factor ranging from 0.7 to 1.

The best approach to size an Inverter/UPS is to use the Watt rating of the load and ensure that the Watt rating of the Inverter/UPS is greater than the VA rating of all the loads put together. This ensures that even if you don’t know the power factor of the individual loads, the Inverter/UPS capacity has the requisite safety margin built into it.

Size your inverter capacity by selecting the appliances you would like to connect to the inverter here

To learn more about different types of inverters, click here

How should I select the right inverter capacity?

You can use our inverter sizing tool to find out the capacity of inverter you need for your home or office.

The tool allows you to pick your appliances along with their wattages and calculates the suitable inverter capacity taking into account an additional buffer you would like to provide for additional loads you might want to connect to the Inverter/UPS in future.

Learn more about the inverter sizing tool and how it works here

What is an UPS and where is it normally used?

UPS stands for Uninterrupted Power Supply and is used for two primary purposes – Protecting computers and other sensitive loads from damage or loss of data caused by Line (Mains) power disturbances, and secondly to provide back-up power to critical loads when the primary power goes down. Different types of UPS differ in the extent and the manner in which they serve the above two purposes. Learn more here

What are the different types of UPS available?

UPS systems are classified into different types based on their topology, or, electrical design used.  These are Offline UPS (also known as Standby UPS), Line-interactive UPS, and Online UPS (also known as Double Conversion Online UPS). The three topologies differ mainly in the level of power conditioning they provide when operated on utility power and on battery power.  These topologies in the order of increasing quality of power they provide are: Offline, Line-interactive and Online.

Learn more about how an offline UPS works here

Learn more about how a line interactive UPS works here

Learn more about how an online UPS works here

See a comparison of the different types of UPS here

What is an Offline UPS, how does it work, and what are its advantages and disadvantages?

The Offline UPS, or, Standby UPS as it is popularly known is the most common type of UPS used primarily for Personal Computers.


In normal use, the UPS connects the power line directly through to your computer and its battery charger draws only a slight current to keep the UPS battery topped off. When the power fails, the UPS switches into action – and switch is the key word. A relay inside the Offline UPS switches the wires that go to your computer from the wall outlet (passing through the UPS) to an inverter connected to the battery pack inside, or, outside the UPS. The inverter then supplies power to your computer with the batteries as the energy source. The inverter only starts when the power fails, hence the name “standby”.

The topology of the Offline UPS is shown below:

                              Offline UPS topology

The switching process requires a small but measurable amount of time. All available off-line UPSs switch quickly enough that your computer never notices the lapse. Most off-line UPSs switch in 3 to 10 milliseconds (one cycle in a 50Hz environment is 20 milliseconds).  Even the slowest off-line UPS has a safety margin when it comes to switching time.

The main drawback of the off-line UPS is that it offers very limited protection against power problems. Only a few UPS manufacturers add filters and surge circuitry that provides adequate noise filtration and surge suppression to electrical disturbances from the grid power, but the offline topology in general cannot cope with sustained over-voltages or prolonged sags. The protection against under-voltage problems is limited to switching to battery back-up power – which means that the battery capacity limits the protection period.

The advantages of the offline UPS are its low cost and high efficiency (typically 95% – 98%). It is not a complete power protection solution but given its cost and efficiency, serves the purpose of protecting your computer against a single power problem – the outage.

To buy an offline UPS click here

What is a Line-interactive UPS, how does it work and what are its advantages and disadvantages?

The next step up the UPS ladder is the line-interactive UPS and it is the most common topology used for small business, web and departmental servers.

In the line-interactive topology, the inverter is always connected to the output of the UPS. Operating the inverter in reverse during times when the AC power is normal provides battery charging. When the input power fails, the transfer switch opens and power flows from the battery to the UPS output. With the inverter always on and connected to the output, this design provides additional filtering for incoming power compared to the standby topology.

In addition, the line-interactive topology also incorporates a multi-tap transformer to buck (reduce) or boost (increase) the voltage, thereby providing some degree of voltage regulation (also known as “Automatic Voltage Regulation”) as the input voltage varies. Voltage regulation is an important feature when low voltage conditions exist, otherwise the UPS would transfer to battery power and frequent battery usage can cause premature battery failure. The buck or boost range is typically limited to 10% and while some models will provide both buck and boost other less expensive models will just provide boost capability.

The topology of the line-interactive UPS is shown below:

Line Interactive UPS topology

The inverter in this topology can also be designed such that its failure will still permit power flow from the AC input to the output, thereby eliminating the potential of single point failure by providing two independent power paths.

High efficiency (typically 90%- 96%), small size, economic price point coupled with the ability to correct low or high line voltage conditions make this the dominant type of UPS in the 0.5-5 kVA power range.

To buy a line interactive UPS click here

What is an On-line UPS, how does it work and what are its advantages and disadvantages?

This is the most common UPS topology above 10kVA and is designed to provide continuous power protection against all power problems to mission critical equipment in data centers and server rooms. This topology ensures a consistent quality of power supply regardless of disturbances in the incoming mains. There are actually 2 sub-categories of On-line UPS known as – Double Conversion On-line and Delta Conversion On-line, with the former being the more popular technology.

In the Double Conversion On-line topology, the primary power path to the loads is the inverter instead of the AC mains, thus the inverter is ON 100% of the time and hence the term on-line. The name double-conversion arises from the operation of the device. It first converts line voltage (AC) into battery-compatible low-voltage DC using a rectifier. The rectifier supplies power to the inverter in addition to charging the batteries. The DC from the batteries is then converted by an inverter back to the highly controlled and regulated AC. This process thus effectively removes any electrical disturbance on the utility (input) side of the UPS.

The topology of the online UPS is shown below:

Online UPS topology

The Double Conversion UPS is the only truly uninterruptible system because the inverter is always connected to the load and is always drawing power from the battery source irrespective of whether the mains power is present or not. Therefore, during an input AC power failure, on-line operation results in no transfer time. This topology also provides protection against all forms of power irregularity including surges, spikes, over-voltages, sags, brownouts and blackouts. This topology also maintains a significantly closer output voltage tolerance compared to the line-interactive topology as it uses solid-state voltage regulators instead of transformer taps to cope with under and over voltages.

While the Double Conversion On-line topology provides nearly ideal electrical output, the constant wear on the power components reduces its reliability and the reduced efficiency (typically 80 – 90%) results in higher life cycle costs for the UPS.

To buy an online UPS click here

Can you provide a comparison of the advantages and disadvantages of Off-line, Line-interactive and On-line UPS?

Sure, please find below a quick summary. For more detailed explanations, please refer to the questions above.




Value proposition


Low cost, high efficiency (typically 95 – 98%), compact Uses battery during brownouts, limited or no protection against power irregularities, impractical over 2KVA Best value for Personal Computers

Line Interactive

High reliability, high efficiency (typically 90-96%), reasonable voltage conditioning Impractical over 5KVA, does not protect against all forms of power irregularities Most popular UPS – ideal for for small office, web and departmental servers and/or harsh power environments

On-line (Double Conversion)

Near ideal electrical output, highest protection against all power irregularities, ease of paralleling Lower efficiency (typically 80 – 90%), relatively more expensive under 5kVA Default choice for providing back-up power and protection to mission critical equipment and servers at data centers

To learn about the working principle of an Offline UPS click here

To learn about the working principle of a Line interactive UPS click here

To learn about the working principle of an Online UPS click here


Can you provide a comparison of the extent of protection against power irregularities provided by Off-line, Line-interactive and On-line UPS?

Sure, please find below the summary based on the typical features available in each topology:

Power Problems




Low Voltage

No Protection / Limited Protection Limited Protection Highest Protection

High Voltage

No Protection / Limited Protection Limited Protection Highest Protection


Highest Protection Highest Protection Highest Protection

Noise Interference

No Protection Limited Protection Highest Protection


No Protection / Limited Protection Limited Protection Highest Protection

Floating Frequency

Limited Protection Limited Protection Highest Protection
Learn more about the benefits and advantages of each type of UPS click here

How fast will my UPS respond to a power outage or blackout?

The transfer time from mains to battery power differs for different UPS topologies. In case of Off-line UPS, the transfer time is typically less than 10 milliseconds, in case of line-interactive UPS, this is typically less than 4 milliseconds and in case of Online UPS, it is zero. Thus the switchover time for all UPS topologies are quick enough (one cycle in a 50Hz environment is 20 milliseconds) so that computer workstations will mostly never notices the lapse.

When should we use a single or 3 phase UPS?

The choice of either a single phase or three phase UPS depends on the load that needs to be protected. UPS with single phase inputs are typically used when the protected load is less than 10kVA. When the total load to be protected is more than 10kVA, typically a UPS with three phase input is chosen, even where the inverter output is single phase. Larger UPS units with three phase input and three phase output are used when the load is more than 20kVA and the loads can be either single phase or three phase in nature. Three phase UPS are more compatible with a three phase DG set and these UPS systems can also be used to feed single phase loads, and with good load balancing, the DG does not need to be oversized.

How much UPS capacity do I need?

Determine the total load (in watts) of the equipment you want to protect. Add 10-20 per cent to allow for future growth and then select the appropriate UPS capacity based on the minimum amount of runtime you need.

Size your UPS by selecting your appliances here

Learn more about the inverter or UPS sizing tool here

What kind of equipments should I connect to the UPS?

UPS is used to typically provide back-up power and protection against power faults to computers, sensitive electronics, medical equipments etc. They should not be connected to resistive and inductive loads running motors as the surge current requirement of these loads could either damage the UPS or end up rapidly discharging the battery thereby impacting the duration for which back-up power/protection is available for the critical loads.

To purchase a UPS for sensitive equipment such as computers and servers click here

To purchase a UPS for normal household appliances click here

Can I connect a laser printer or office multi-function fax/printer to my UPS?

It is not recommended to use these appliances on a UPS. Laser printers have a large heating and sealing component that can draw up to 1000 watts and multi-function fax/printers draw a huge amount of surge current during start-up. Therefore you must have a greater VA rated UPS to do the same job which makes the UPS backup very uneconomical.

We have a generator – do we still need a UPS?

An auxiliary generator provides back-up power just as a UPS does but requires much more time to kick in and stabilize before it can start supporting your critical loads. Hence, a UPS is required to ensure that the equipment stays running until the generator kicks in. In addition, the UPS also improves the quality of the power produced by the generators.

What is the overload capacity of the UPS?

A UPS is normally designed to handle overloads for a short period of time. For example, some UPS can handle 110% overload for 10 minutes and 150% for 60 seconds. In the overload condition, the UPS transfers the load to bypass (for a few minutes) until the overload condition is reversed. If the overload condition continues, the UPS automatically shuts down.

How much UPS battery runtime do I need?

During an outage, you need enough battery runtime to gracefully shut down systems or switch to backup generators. You may add optional external batteries (please check if the UPS model is compatible with external batteries) to increase runtime.

Does the Inverter/UPS come with internal batteries, or, do I need to connect batteries externally?

The battery configuration for different Inverter/UPS models can be classified as below:

  • Internal batteries only – In this case the batteries are provided internally and the UPS provides different runtimes depending upon the load connected to it.
  • Internal batteries with extendable runtime option – In certain models, additional batteries can be connected externally that together with the internal battery increases the UPS runtime. The option to connect additional batteries externally is not available with all models and you need to check the specifications of the specific model to ascertain this.
  • External batteries only – In these models, the batteries can only be connected externally.

What type of batteries should I connect to my Inverter/UPS?

The choice of the appropriate battery depends on the following factors:

  • Desired back-up duration
  • Average operating temperature range
  • Space availability
  • Environmental factors
  • Topping up requirements

UPS that come with internal batteries typically use VRLA (Valve Regulated lead Acid) batteries which are also known as Sealed Maintenance Free (SMF) batteries.

While connecting external batteries to Inverters any of the different lead acid batteries can be connected with the popular ones being – Flooded batteries (Flat plate, Tubular, Tall Tubular) and SMF VRLA batteries (AGM and Gel).

Learn more about the different types of batteries here

Can I connect any capacity/any number of batteries to an Inverter/UPS to increase its runtime?

The capacity of the battery that should be connected to an Inverter depends on the charging current the Inverter can provide as this determines whether the battery gets charged fully in a reasonable amount of time without getting damaged. Usually the battery capacity should be no more than 12 times the charging current that can be provided by the Inverter (e.g. a 5A charger can accommodate only 60AH (5*12=60)). In case the battery discharge is less frequent (say once in 10 days), then in such extreme cases the battery capacity can be increased to 20 times the maximum charging current of the inverter. In addition, the charging current provided by the inverter should be below the limiting current of the battery to ensure the battery does not get damaged during charging.

When connecting batteries multiple batteries in parallel, please note that the inverter’s battery charger should be able to provide the charging current required by each individual battery (e.g. if the limit current of one battery is “A” amps, for “N” batteries in parallel, the limit current for charging of inverter should be “A*N” amps). This is not a factor when connecting batteries in series as all batteries in series use the same charging current from the inverter.

How do you compare flooded batteries (flat plate, tubular type) with sealed maintenance free VRLA batteries, what are the advantages and disadvantages of each type?

For Inverter/UPS applications, a general comparison of the different battery types is provided below: 


Flat plate (Flooded)

Tubular (Flooded)


Suitable for

Low power applications Heavy duty applications, frequent power cuts UPS applications, back-up time less than 1hr


Low Medium High

Life expectancy

Around 3 yrs 4 to 5 years 3 to 5 years

Tolerance to depth of discharge

Suitable for discharges upto 80% of battery capacity Suitable for discharges upto 80% of battery capacity Suitable for discharges upto 50% of battery capacity

Cyclic operation life (Charge cycles at 80% Depth-of-Discharge)

500 – 800 cycles 1000– 1200 cycles 400 – 450 cycles

Charging time

Charges slowly compared to tubular batteries Faster charging Faster charging

Temperature performance

Inferior operation compared to tubular batteries Satisfactory operation at extreme temperatures (both high and low) Capacity reduces significantly at higher temperatures

Electrolyte top-up frequency

Frequent water top up required Less frequent top up No top up required

Space requirement

High Medium Low

Battery placement

Fixed Fixed Can be placed in any orientation

Battery Emissions

High, proper ventilation required Lower emissions compared to flat plate, proper ventilation required No battery emissions

How is the capacity of a battery defined? What does the Ah capacity of a battery mean?

Battery capacity is normally defined in Ah (Ampere-hour) and represents the maximum amount of energy that can be extracted from the battery under certain specified conditions. However, the actual battery capacity during operation can vary significantly from the nominal “rated” capacity as actual capacity depends on the age, rate at which energy is being drawn from the battery, historical usage pattern (charging, discharging cycles followed) and temperature.

Lead acid battery capacity for Inverter/UPS applications is normally rated at a 20hr draw and is specified as C20 capacity of the battery. For e.g. C20 capacity of 100Ah means that the battery is capable of providing 5Amps of current when discharged by a load over 20hrs (5A*20h = 100Ah) under standard temperature conditions. This battery can be discharged at a faster rate (i.e. the load could draw a higher current from the battery, say 10A) but this ends up reducing the total energy (Ah) that can be extracted from the battery.

The capacity to which the lead acid battery is discharged before it is charged again (known as depth of discharge) also influences battery capacity and its life (number of charge/discharge cycles it can provide). The recommended depth of discharge for lead acid batteries should be less than 80%.

Why are batteries connected in both series & parallel? How does the battery bank capacity change as result?

Batteries are connected in both series and parallel configuration to increase the capacity of the battery bank thereby increasing the duration for which back-up power can be provided to the loads by the bank. However, while doing so, it is important to ensure that the DC voltage of the Inverter matches the voltage of the battery bank being connected to it to avoid any damage to the battery bank and to ensure appropriate charging of the battery bank by the Inverter.

When batteries are connected in series, the voltage of the battery bank goes up and is equal to sum of the voltages of the individual batteries. For e.g. if 2 nos. of 12V (150Ah) batteries are connected in series, the voltage of the battery bank will be 24V (= 12V+12V) and this battery bank can be charged by an inverter having a DC voltage rating of 24V. By connecting the individual batteries in series, the energy that can be stored in the battery bank increases to 3600Wh (=24V*150Ah).

When batteries are connected in parallel, the voltage of the battery bank is the same as the voltage of the individual batteries, while the capacity of the battery bank doubles. Please note that only batteries having the same voltage rating should be connected in parallel to ensure uniform charging/discharging of the batteries and to prevent damage to/maximize life of the individual batteries. For e.g. if 2 nos. of 12V (150Ah) batteries are connected in parallel, the voltage of the battery bank will be 12V and this battery bank can be charged by an inverter having a DC voltage rating of 12V. By connecting the individual batteries in parallel, the energy that can be stored in the battery bank increases to 3600Wh (=12V*(2*150)Ah).

What kind of Inverter/UPS and battery should I buy for my requirements?

The type of UPS and batteries you need to buy depends on – the kind of appliances you would like to provide back-up power to, the quantity of these appliances and the duration of back-up you require. On, you can make a purchase using one of the options below:

  • Use the Inverter sizing tool: Once you enter the number of appliances you would like to provide back-up power to, the tool will recommend the following options:
    • Solar option: The right size solar UPS or complete solar package
    • Non-solar option: The right size normal inverter or inverter & battery package

To learn more about how the inverter sizing tool works, click here

In case you don’t wish to use the sizing tool, you can also make a purchase directly by using one of the below options:

  • To buy a solar power system for your home or office, click here
  • To buy only the inverters click here
  • To buy only a solar UPS, click here
  • To buy only inverter batteries, click here
  • To buy only solar batteries, click here

How does the inverter sizing tool work?

The inverter sizing tool can used to size the inverter required to provide back-up power to your home or office. Below is a brief description of how to use the tool and understand the recommendations it provides:

Selection of Appliances:

The tool requires you to select the type of appliance and the quantity of appliances that will be running concurrently, that is, at the same time during a power outage. To enable meaningful selection, appliances are classified into two primary categories: Essential Loads(those appliances that are essential and that you would like to keep running during a power outage), and, Non-Essential Loads (high-power consuming appliances that are optional and you might choose to run during a power outage for extra comfort). This distinction is important for you to consider as running non-essential loads with the inverter might significantly increase the rating of the inverter required due to the extra surge power consumed by these appliances during start-up.

Calculation of Inverter capacity & type of Inverter:

The inverter capacity is calculated taking into account the power consumption of each appliance, the surge power required to be provided for high-power consuming appliances during start-up and a diversity factor applied to arrive at a more realistic capacity for your inverter.

Based on the selected appliances, the tool also recommends the appropriate technology of inverter or UPS that will be suitable to your requirement. As an example, if you need back-up power for only lights & fans then a modified sinewave inverter would be a cheaper alternative and would be one of the recommended options whereas if you plan to provide back-up power to a pump then only sinewave inverters would be recommended.

Output or Recommendation:

Based on the inverter capacity and inverter technology selected above, the sizing tool makes the following recommendations:

Solar Options:

The sizing tool recommends the complete solar package (package includes the solar inverter, solar battery, solar panels and related accessories) or, the solar UPS in case you’re note looking at buying the entire package

Non-Solar Options:

The sizing tool recommends the inverter and battery package that you can buy, or, alternatively just the inverter in case you’re not looking at buying the package

 To learn more about how to make a purchase, click here

What are the benefits of buying Inverter/UPS & batteries on Glowship?

Glowship is India’s largest marketplace for solar & power solutions. We help you make an assured, reliable purchase in the following ways:

We help you select the Right Product

: For power back-up, buy either pre-engineered inverter and battery packages based on your requirement or explore a solar power system for long-term savings in your electricity bill.

We carry only Genuine, Reliable products:

We provide you the widest choice and carry genuine products from all leading manufacturers in India.

Make a Trusted purchase from Verified Sellers:

Glowship carries listings from only verified Sellers or Manufacturers. We provide comprehensive ratings on service & delivery for each seller offering you the flexibility to make a purchase of your choice.

We are a One-stop Solution:

All our sellers offer you free delivery and installation and optional AC-side wiring at a nominal extra cost. We also offer an exchange discount if you would like to replace your old batteries with new batteries.

Free water top-up:

We also offer free water top-up service for your batteries during the first year and assist you with any other services that might be required in case of any mal-function in your system.

Buy Inverter & Battery packages for Homes & Office at Best Prices in India:

Glowship provides you the widest range of inverter &battery packages for purchase online in India. Glowship offers you two options for making a purchase: You can either choose from best-selling pre-engineered packages consisting of an inverter, batteries & an optional rack/trolley, or, you can customize a package of your choice by choosing the inverter & batteries from brands of your choice. Glowship offers inverters from India’s leading brands: Luminous UPS,Exide UPS,Microtek UPS,VGuard UPS. Batteries are available from: Luminous Inverter Batteries,Exide Inverter Batteries,V-Guard Inverter Batteries,Su-Kam Inverter Batteries,Hi-Power Inverter Batteries & SF Sonic inverter batteries.

How to buy an inverter battery package for my home or office:

The first thing to determine is the capacity of the inverter or UPS. The inverter capacity determines the total loads that will have back-up power during a power outage. You can use our inverter sizing calculatorto get a recommendation on the suitable inverter capacity & technology for your requirement. To learn more about how the sizing calculator works, click here.

Once you have determined the inverter capacity, you need to choose the battery capacity based on the duration of back-up power you would like to provide to the appliances during a power outage.

You can use the below links to simplify your purchase of an inverter battery package on Glowship:

Inverter Battery packages for 1-2 BHK homes & small offices:These power back-up packages consist of 1 Inverter (capacity upto 1400VA) & 1 battery (capacities ranging from 100AH – 200AH) & typically provide back-up power to lights, fans, TV & other low power loads at homes & offices. The inverter can provide power output upto850W &the package provides 2 to 6 hrs of back-up to your loads depending upon the battery capacity selected.

Inverter Battery packages for 3-4 BHK homes & small offices:These power back-up packages consist of 1 Inverter (capacities ranging from1500VA to2500VA) & 2 to 3 batteries (capacities ranging from 100AH – 200AH) & typically provide back-up power to both low power &medium power loads like refrigerators, pumps homes & offices. The inverter can provide power output upto2000W & the package provides 2 to 6 hrs of back-up to your loads depending upon the battery capacity selected.

Inverter Battery packages for high power loads at homes & small offices:These power back-up packages consist of 1 Inverter (capacities ranging from3 kVA to 10 kVA) & 4 to 15 batteries (capacities ranging from 100AH – 200AH) & typically provide back-up power to highpower consuming loads like lifts, air-conditioners, refrigerators, pumps etc. at homes & offices. The inverter can provide power output upto8kW& the package provides 2 to 6 hrs of back-up to your loads depending upon the battery capacity selected.

UPS packages for sensitive home & office appliances:These UPS packages provide power back-up to sensitive equipments such as computers, networking equipment, peripherals etc. Both Line Interactive & Online UPS models are available from APC.

Why buy inverter battery packagesonline on Glowship:

In addition to helping you choose the right package, Glowship provides you free delivery & installation for all inverter battery packages. The installation is done by verified & qualified sellers. Glowship also provides free water top-up for the batteries during the first year. In addition, if AC-side wiring is required, during installation then Glowship provides the same at pre-agreed prices to ensure you have a hassle-free installation experience. All inverters & batteries sold on Glowship are covered by full warranty from manufacturers.

To learn more about inverters & batteries click here for answers to frequently asked questions.

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