How To Calculate Battery Watt Hours

The formula for calculating watt-hours is Watts x Hours Wh.

How to calculate battery watt hours. So if a 5 Volt battery has 20 Watt Hour rating and it draws 2 Amp current then the Watt delivered by Battery 10 Watts 5 Volts x 2 Ampere. Suppose for 120 Ah battery. So for a 12S3P 9Ah battery pack.

This means the batterys capacity is 1200Wh. But due to some losses we may take 12-14 Amperes for batteries charging purpose instead of. Take 103450 battery cell for example T10mm W34mm L50mm thats 103450011700 in reality its about 1800mAh or more.

Here is the formula Battery Life Watt Hours Voltage x Current in Ampere. Account for the efficiency of the inverter say 85. To calculate your batterys watt hours youd multiply 50Ah 12V.

Because knowledge is power. Watt-hours watts hours 250 watts 5 hours 1250 watt hours. To get to 48 volts I strung connected four batteries in series.

So for a 10S2P 6Ah battery pack. This is the first step in determining your solar battery bank size. 1 watt-hour is defined as 1 watt of power expended for 1 hour.

So if you have 100 watts running over four hours that equals 400 WHs 100400. How to calculate amp hours. Watt-hours Amp-hours Volts.