Calculation of power and battery charge
240KW/400KW industrial rooftop - commercial rooftop - home rooftop, solar power generation system.
In this example, your battery has a capacity of 100 amp hours. Put another way, it''s a 100Ah battery. How to Calculate Battery Watt Hours. To calculate a battery''s watt hours, multiply its amp hours by its voltage. Formula: battery watt hours = battery amp hours × battery voltage. Abbreviated formula: Wh = Ah × V