Heavier duty backpack system 8battries and inverter charger 3500va 48volts
This system has 8battries of 100ah@ and makes a total of 800ah
These are tubular batteries with higher performance rate and has low discharging rate
This system has inverter of 3500va 48volts it can charge the batteries with electricity and get full it converts power from DC to AC and it's automatic after power goes off it switches on power directly, the system can hold the heavy load at yr home
It has 2yrs warranty and 6yrs lifespan