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a 10 amp-hour battery can supply 10 amps for one hour, or 5 amps for 2 hours, or 1 amp for 10 hours, or 0.5 amps for 20 hours.
Watts=Voltage*Amps
5.3=12*Amps Amps=5.3/12=.45 which is close to 0.5 amps
So, the 10 amp-hour battery will last a comfortable 20 hours.
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Mike Bradshaw
1980 911SC sunroof coupe, silver/black
Putting the sick back into sycophant!
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