Bringing a gel battery back to life?

DaveNTL

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This interesting link tells of bringing a stubborn battery back up to capacity by charging it upside down! Scary!

Anyone tried this?

Mine are being left on charge for a month at the moment (on the boat, not upside down) , they were on 20% capacity when I left them. Hoping to see better when I get back but I'm not holding my breath.

There are lots of interesting articles on batteries and chargers and wiring systems on that site if you're interested.
 
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