Portable Battery Enclosure Box 21 x 18650 - Unboxing 2022

Описание к видео Portable Battery Enclosure Box 21 x 18650 - Unboxing 2022

I am going to be unboxing an empty external case that can hold 3 layers each consisting of 7 18650 batteries that makes in total 21.
i couldn't test it out completely since it took a long time to completely charge and drain this big portable external power bank of up to 72000 MAh
thank you for watching.

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