Havells SI 850 Solar Home Inverter System


State of art solar home inverter solution from Havells. Series of solar panels mounted on roof are connected together to convert solar radiation to electrical energy. The system can provide power back up of 3-4 hours. With solar and grid mode the system can also help in saving electricity charges.
Basic home appliances like Fans, Lights, TV can run on these systems.



  • Environment friendly- Environment friendly as its operating temperature is within limit. Also it has low noise
  • Capacity- PCU Capacity 850 KV
  • Maximum Energy utilization- Load sharing by solar and battery
  • Efficiency- Highly efficient system to save on electricity bills
  • Power Pack- Total system with PV panel, inverter and battery also available
  • Protection- Overload, short circuit, over temperature battery low/ high protection
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 Technical Specifications:

PCU Capacity- 850 VA

Nominal Battery Voltage- 12 V

Suggest Solar PV Module Combination Voltage- 12 V 150 Wp x 2 N in parallel

Control Type- MOSFET based

Maximum permitted open circuit voltage- 25 V DC

Dimensions (LxWxH) (cm)- 32.5 cm x 37.3 cm x 17.8 cm

Weight- 9.0 kg

Type of battery- TUBULAR LMLA / VRLA GEL

Nominal DC Input Voltage- 12 V ( 1 battery)

Charging Current (High Setting) DC- 15 A (If battery capacity more than 130 mAh)

Charging Current (Low Setting) DC- 8 A (If battery capacity within (80 mAh-120 mAh))

Operating Temperature- -10 °C – 45 °C (14 °F -113 °F)

Relative Humidity- 0-95 % RH non-condensing

Audible Noise- < 55 dB

Over Load (Mains Mode)- Circuit Breaker

Over Load (Battery Mode)- Yes

Battery Reverse Protection- Yes- By Battery Fuse

Short Circuit- Yes

Over Temperature- Yes

Model No.- SI 850


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