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How many amps&watts AC needed to charge a lifepo4 300A 48V battery on 40A charger

mahdi89

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Aug 31, 2021
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How many amps watts AC needed to charge a lifepo4 300A 48V battery on 40A charger
 
Sorry but your question is garbled in terms. Do you want to know how many kilowatt hours of AC power is needed to change the battery, so you can know what it costs to charge it?
 
Sorry but your question is garbled in terms. Do you want to know how many kilowatt hours of AC power is needed to change the battery, so you can know what it costs to charge it?
how many KW AC
and how many watts per hour
 
how many KW AC
and how many watts per hour
Figuring for a 54v output at 40 amps, your DC side would be 54*40 watts....call it 2000 watts. The AC side would be something like 1.15 times that, say 2300 watts. That would be needed for a little more than 300/40 hours...say 8 hours. 2300w * 8 hours would give you about 18-19Kwh....roughly....if I didn't miss a step.
 
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