A:For 10000 mAh power bank: 10000mAh power bank can support maximum voltage current of 2A input, with 2A voltage input, charger will be filled in 7-9 hours; 1A charger in 12-14 hours, if you use the computer USB or small voltage charger to charge - charging time maybe be longer than 20 hours, the actual charging speed of different chargers used will be also different, many cases - according to the specific circumstances.