200W solar panel to charge 100ah battery
240KW/400KW industrial rooftop - commercial rooftop - home rooftop, solar power generation system.
The Time It Takes to Charge Your 100 Ah Battery. To determine how long it takes to charge a 100 Ah battery: Amps delivered = solar panels'' total watts divided by the voltage of the battery. The time required for charging = battery Ah divided by the amps delivered. Thus, Amps = 180 divided by 12 = 15A