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#7
September 24th 12, 01:32 AM
posted to rec.aviation.soaring
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Battery Power
At 23:10 23 September 2012, Tom Gardner wrote:
Mike McCarron wrote: Help! I have carefully measured my current draw in my glider at .8 amp. l would like to know if there is any reasonable explanation for why a 9 amp hour battery goes from 13 volts open circuit fully charged to 11.6 volts in 4 hours. Short answer: 9AH is the nominal capacity, the actual capacity depends on temperature, discharge rate and battery age.. Long answer: have a look at the graphs in, for example, Could not find the graphs. Brand new battery and very reliable battery charger. 
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