Backup PV System
Backup Photovoltaic Power System is designed for the areas which Electricity price is too expensive or power supply is not sufficient. You can use this PV system as alternative, however, the Backup PV Power System couldn't send excessive electricity back to the Utility grid. The Solar panel would be available for more than 20 years with over 80% power output. The Storage bank could be used for 4 years, the Inverter and the Charge controller could be used for around 10 years.

Main list of system
Solar panel
Built up of solar cell which is the base of system, it converts solar energy to DC.
Multifunctional inverter
Used to change DC to AC. Furthermore, the utility electricity will be connected automatically if PV Power System supply is not sufficient.
Charge controller
Used to prevent excessive battery charging or overcharging the battery.
Battery bank (designed for 1 continuous working day)
Designed to store electricity would be used at nights or in the cloudy or rainy days.

System Features
Replace electric power supply provided by the utility grid.
Perfect for the areas which electricity price is too expensive.
Provide power for lighting and all household electric appliances.
Easy to install and maintain, convenient to use.
Safe, reliable and durable, customization is welcome.