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Unread 17-01-2013, 16:57
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Re: 2013 EnerSys Genesis NP18-12B KOP Battery/FIRST Choice Weak?

Quote:
Originally Posted by Ken Streeter View Post
I believe the 18Ah rating from the manufacturer is for an even slower discharge rate (less than 7.0A) to a lower voltage (less than 11.0V), which will successfully extract even more charge from the battery.
Battery manufacturers will measure the capacity at 1 amp or less. MK does it at 0.9 amps. There's a nice chart on the data sheet. http://www.mkbattery.com/images/ES17-12.pdf