Battery Life

jarwood

New Member
Nov 25, 2007
140
Signal Mtn. TN
Boat Info
2007 230 Select
Engines
350 mag
Alpha 1
I have a deep cell battery that came in a new boat purchased in August of 07. I took it out of the boat for storage this winter. I put it on the charger every month and bring to a full charge. It drops down to about 45% charge every two weeks. Is this normal for a battery not being used? The cells are full of distilled water.
 
How do you know it's at 45%?
 
Measure the voltage with a very good digital voltmeter (like a Fluke) or check each cell with a hydrometer before you take that 45% number for gospel.

Best regards,
Frank
 

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