1.1kWh LFP battery backup
cost is around 140,000/=
800w continues pure sinewave Inverter - 25k
4X 90Ah LiFePO4 cells - 104k
40A non-smart BMS - 5k
12v 20A SMPS ( increased to 14v) - 3.5k ( or 24v SMPS and buck)
watt meter (optional) - 4k
wire, lugs, and other - 3k
meka gedara supply ekata...