Battery calculator

How big a battery do you need?

Pick the appliances that must keep running when the grid goes down, or enter your business load. The calculator returns the battery size in kWh and Ah, the number of Batari SuperB Wall units, and the solar capacity needed to recharge it.

ApplianceWattQtyHours on
LED lamp
Refrigerator
Wi-Fi router
Television

Calculated at 80% depth of discharge (per the SuperB LiFePO4 spec) and 90% inverter efficiency. This is an early estimate; final sizing follows a site survey.

Your battery requirement

Recommended battery capacity

3,2 kWh

Energy used by the load: 2,3 kWh

Equivalent Batari SuperB Wall 5 kWh
1 units
Peak power (minimum inverter rating)
0,28 kW
Equivalent capacity (Ah)
12 V: 266 Ah · 24 V: 133 Ah · 51,2 V: 62 Ah
Solar panels to fully recharge in one day
± 1 kWp

SuperB Wall: 5 kWh/unit, maks. 15 unit paralel.