Battery

Csail

Csail

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Bought a new eng start battery so fitted it and starter just made a ticking noise. (Not sure if there maybe a starter motor problem as well) So checked voltage ang got 11.4v.Brought battery home and charged it on monday to full. Checked today and its back down to half charge???? Ps. not fitted.
 
Sounds like your new battery is bølløxed - take it back to whence it came.
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"Artificial intelligence is no match for natural stupidity"
sailroom <span style="color:red">The place to auction your previously loved boatie bits</span>
 
Agreed its a dud, but just to avoid any rubbish that the supplier may try to tell you it would a good idea to try a known good battery just so that when they say well there must be something wrong with your boat you can say "Well there there is no problem if I use the battery from my car/ wifes car/ girlfriend's car /neighbour's boat"
 
How did you deduce that the battery was down to half charge?
 
Well i suppose not half charge, but the LEDs on the charger were back to 50% when initially connected. The multimeter showed 12. something but it should be more surely?
 
How long did you charge it Monday and with what size charger - ie are you sure you fully charged it?

Also is it sealed or can you get at the cells. Sometimes worth checking each cell for with a hydrometer as a dud cell shows up well.

You mention another problem - presume this 'other problem' is not a short and fried a nice new battery? - it would be embarrassing to take a second one back with the same problem!
 
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