This calculator estimates the amount of time that it takes to
charge a deeply discharged battery or battery pack and works with any Voltage of battery or battery
pack and battery charger.
Practically all electric scooter, bike, and go kart battery
packs are wired in series. For series wired battery packs enter the Ah rating of
the individual batteries in the pack. For example if a battery pack has three 12
Volt 10 Ah batteries then enter 10 Ah into the calculator.
For the battery charger output field enter the
charger's output Amp rating and not its input Amp rating. Some battery charger
list their output rating as mA instead of Amp. If the charger's output rating is
in mA then use the calculator below to convert the mA rating into an Amp rating
and enter the Amp rating into the calculator above.