What type/size of battery to use?

[brk-lnt]

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?

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).