My answer to How much time does it takes to charge the power bank 13000mAh for full charge?
Answer by Allen He:
it's depend on your charger output power. if it's 1AMP then it will take 7-8 hours and if it's 2AMP then 5 hours perhaps
As stated by the fellow mates in the answers which is the technical part.
Consider the following in simple plain layman's language :
> Charging a battery with charger is same as filling a container with water.
> The time taken to fill the container totally depends on how much water flows through the tap.
> There are different kinds of taps and companies that have different taps and water flow.
> Depending on this flow the container will get filled at different timing.
( Same in battery and charger where battery is the container and tap is the charger )
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