How much is the electricity bill for charging the auxiliary battery 10000mAh once?

supplementary-battery electric-bill

I'm using an auxiliary battery of 10000mAh.

How much does it cost to charge it once?

I'm charging it almost every day, but I'm wondering if I'll have to pay a lot of electricity.

2879 2018-09-10 Gentleman

A. 1

I think it's about 10 won per charge

Gentleman 7 years ago 0

A. 2

It's much less than I thought! Thank you.

Gentleman 7 years ago 0

A. 3

If you calculate it accurately,
The auxiliary battery is 4.2V when it's fully charged
So 4.2V * 10000mAh (=10Ah) = 42Wh
1 KWh is about 100 won, so it's about 4.2 won
Considering the power loss, I think it's about 5 won

Gentleman 7 years ago 0

A. 4

Thank you for the detailed explanation!

Gentleman 7 years ago 0

A. 5

SKY

Gentleman 7 years ago 0

A. 6

SKY

Lady 7 years ago 0

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