How To Find Amp Hours. Where E is the energy stored in the batter in watt-hours. Volts times Amps equals Watts.

Check the sticker on the top of your car battery and find where it matches up on the table. Specifically they measure the amount of electrons that flow past a certain point per second. And 1075 amps battery capacity divided by 33333 amps power inverter load per hour 3225 hours that you can power the 400 watt inverter.
So that string provides 48 x 100 4800 or 48 kWh of energy.
The approximate amp hour range times are estimated below. All Deep Cycle batteries are rated in Amp Hours AH. 1C 2777810-4 Ah. The ampere hour rating is unchanged at 45 Ah.

