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profdant139's avatar
profdant139
Explorer II
Nov 01, 2016

How to test working capacity of battery: not technical

(If you are a highly sophisticated technical battery expert, I advise you to stop reading. This post is designed for people like me, who are not experts.) I have two group 31 12V marine deep cycle...
MrWizard's avatar
MrWizard
Moderator
Nov 01, 2016
this is an excellent situation for using a 'watts up' , Turnigy, or other power meter
that has a watt hr and amphr counter

something like this one, from Hobby King



or this one from Amazon

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