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You should check the instructions for the answer. But an easy way of calculating the time needed is this super easy equation:
Battery Capacity/Battery Charger Rate=Time to charge (in hours)


For Example, a 1500 mAh Battery with a 250 mAh per hour charging rate will take 6 hours to fully charge.


1500 mAh divide 250 mAh = 6 hrs.


Or be the smarty pants and do it this way:

the battery capacity x battery's mAh rating divided by the charger output (mA) x 1.4 (for NiCad batteries) = time (in hours).

(1.5 for NiMh batteries)


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Wiki User

12y ago

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