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Old 08-28-2019, 06:04 PM   #1
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useable amp hours

I have recently installed 2 trojan t-105 batteries. Battery rated at 225 amp hour. Will my useable hours be 110 amp hours or 225 amp hours? Thanks!!!!!!
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Old 08-28-2019, 06:19 PM   #2
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110AH or 50% of your total AH

Two 6 volts wired in series increases voltage to 12 volts but AH stay the same.
Two 12 volts wired in parallel increases AH but voltage stays the same.
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Old 08-28-2019, 08:00 PM   #3
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The usable will be 110, as he said. Minus the amount you lack in getting them fully charged each time. If running a generator or solar that could be a good bit.
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