Quote:
Originally Posted by slimthelineman
I would say that if a fully charged cell is 4.2 voltsthen a good rating method would be a sustained voltage of 3.5 under load for 3-5 seconds to get an accurate rating.
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Well, there you go. That's a start. We put a 5 second load on a battery and crank the amperage until it dips below 3.5v. That's an easily replicated test. What should the voltage be? I can't imagine equipment to test these would be that complicated? Like a reverse automotive battery charger?