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Jan 23rd, 2013
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Testing battery voltage... #13205715 07/05/19 08:29 PM
Joined: Jun 2016
Posts: 1,318
i-Fish Offline OP
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Joined: Jun 2016
Posts: 1,318
At full charge all of my 4 12V batteries read nearly 13 volts. Do I need to start the motor and watch the voltage meter also?

Do I need to run my trolling motor while testing my accessory batteries also?

Just wanna get an overall look at the health of my batteries and this stuff is all fairly new to me.


If you can't find em wind em.
Re: Testing battery voltage... [Re: i-Fish] #13205737 07/05/19 08:49 PM
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T Bird Offline
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Your voltage appears fine. Best test is load test. Fully charge each battery. Pull them out and take to auto parts store and ask them to load test for you. Or buy a load tester and do yourself.
https://www.walmart.com/ip/Milton-1...dpNOe4wIV-__jBx1xAgC7EAQYASABEgL_r_D_BwE


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Re: Testing battery voltage... [Re: i-Fish] #13206145 07/06/19 12:10 PM
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B
Bob Landry Offline
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B
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Charge the batteries for 24hrs, let rest with no load for 24hrs, then load test. If the needle does not hit green, the battery has a weak cell.
Using any other method just lets you read surface charge.


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Re: Testing battery voltage... [Re: i-Fish] #13206834 07/07/19 12:38 PM
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i-Fish Offline OP
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Thx guys!


If you can't find em wind em.
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