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APC BI850 Sine


  • Sensitive electronics (home theatre etc.), motor loads, PC, TV
  • Waveform: Sine wave
  • Topology: Offline/Standby
  • Warranty: 2 years

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Sold by : MTS Systems
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Product Specifications

Brand APC
Phase Type 1-Phase Input 1-Phase Output
Topology Offline/Standby
Inverter Capacity (VA) 850
Capacity (W) 500
Waveform type Sine wave
Battery (Internal/External) External
Battery Capacity 1 No. (80 AH - 180 AH)
System Voltage (DC) 12V
Recommended Applications/Combinations Sensitive electronics (home theatre etc.), motor loads, PC, TV, lights & fans
Other Features


UPS-Inverter switch Yes
Home or Away switch Yes
Variable voltage sensitivity setting Not Applicable
Automatic Voltage Regulation (AVR) Not Applicable
Full-time EMI/RFI suppression
Frequency Regulation Not Applicable
Data line surge protection
Separate battery-protected and surge-only outlets Not Applicable
Hot swap battery
Extendable battery back-up Yes
Intelligent battery charging Yes
Automatic battery self-test Yes
Selectable charging current Yes
Generator compatibility Yes
Cold start capability Yes
Audible Alarms Yes
Bypass feature
LED status indicators Yes
LCD Display
Power Management software
Computer interface

Technical Specifications


Modes of operation

INVERTER Mode (For Lights & Fans)

UPS Mode (For sensitive electronics)

Input voltage/frequency

230V AC/ 47-53 Hz

Voltage window for "on mains" operation

In INVERTER mode: 100-290Vac

In UPS mode: 190-260Vac

Maximum input voltage without damage

300 Vac




Output voltage

On Mains:

  • In INVERTER mode: 100-290Vac (mains voltage is passed to load)
  • In UPS mode: 190-260Vac (mains voltage is passed to load)

On Battery:

  • 195-230Vac (depending on load)

Output frequency

On Mains: 45-53Hz (Mains frequency passed to load)

On Battery: 50Hz +/-1Hz

Battery/Battery charger



Nominal voltage


Battery capacity (C20)

1 No. (80Ah - 180Ah)

Battery type

Flooded batteries (Flat plate/Tubular)

Charger type

Microprocessor type, 3 stage, regulated charging

Charging current

Selectable: 8A, 10A, 13A, 15A (depending upon battery capacity)

Typical recharge time

10-12 hours


Protection provided against


Overload on Mains

Overload on battery

Reverse battery polarity

Short circuit

Low battery voltage

Line neutral reverse

Over temperature

Warranty Details

Inverter/UPS Warranty 24 Months
Battery Warranty Depends on battery Manufacturer
Warranty Type On-site warranty by Manufacturer


Physical Characteristics

Dimension (D*W*H) cm


Net Weight (Kg)

11 Kg

Environmental Characteristics

Operating temperature

0 - 45 deg C


0-95%, non-condensing


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