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qwerty11's avatar
qwerty11
Explorer
May 22, 2013

Help with calculations: length of time running on battery

I need help with this as I'm getting confused. Could somebody break down the calculations to figure: How long will a 12V battery with an amp/hr rating of Y (assuming its based on 20hrs) maintain a...
pianotuna's avatar
pianotuna
Nomad III
May 22, 2013
Hi,

Here is a link to the rather special spreadsheet that N8GS has created to help size solar battery charging systems! It will answer your question about "how long" and help you with an energy audit too!

Solar spreadsheet by N8GS

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