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Can I charge a lawnmower battery with a car charger ?


Aaron2010star
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It says 12volts and reads only 2 volts at the moment and my car charger is a diesel charger up to 1900cc got it on slow charge

 

 

Sent from my iPhone using Tapatalk

 

Essentially if you let a 12V battery fall to below 11V you compromise its life greatly. Stick it on the charger and wait.

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I'd be surprised if you could bring a 12v battery that is reading 2v back to life.

 

Me too, discharge below 10.5 Volts for lead acid battery is terminal

 

Those CTek chargers are pretty good & help prevent sulphation

 

I would charge it at a higher rate - more than trickle - to try and help reverse the effects of deep discharge but would be surprised if it does hold charge. Keep a check on the water level and loosen the cell tops to allow gassing.

 

N

Edited by NFG
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