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post #1 of Old 04-08-2010 Thread Starter
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Question Matching charger to battery

I have to replace my batteries. I have an older Guest Pro Charger 2608 that says its automatic. Apparently chargers can only handle a certain size battery. Specifications on new model 2608a Guest chargers say the maximum size battery is 72 amp hours with a maximum charge time of 12 hours. I'm thinking of buying an Optima D31m deep cycle battery. It is rated at 75 amp hours and appears to have charger requirements similar to the 2608.
Can anyone tell me how crucial this matching of charger and battery size is? I don't want to buy a new charger unless I have to.
Thanks for anything that would help shed some light on this situation.

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