Quote:
Originally Posted by 4Fun
One note about the new smart chargers. I could not charge my very dead battery with my battery tender or smart Shumacher charger. I had to charge it with an old school charger until it had enough voltage for the smart charger to work.
Maybe you can bring your optima back to life?
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Good point. I'll point out that Optima makes their own charger which is specially designed for AGM (absorbed glass mat) batteries.
Also, with a severely dead battery you can sometimes bring it back by charging it in parallel with another good battery (of the same type/mode/size).