Quote:
Originally Posted by JohnMckroidJr
I had the same problem, started using my newer XL tank battery(same size) in my regular hobie live well and the problem went away, ie the older battery does not hold a charge for as long. Answering your question, I just put the volt meter on the old, new and charger with the following results:
7.0 Volts for the old battery that only lasts 5 hours
7.0 volts for the charger
6.8 volts for the newer battery that lasts all day
Conclusion - just because a battery will charge to a higher voltage does not mean it will last longer. The older battery must have some kind of memory damage, thus it discharges faster.
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Are the different batteries you are speaking of rated for different amp hours?? Might take a look.