Uses one 21700 flat lithium battery with a capacity of 5000 mAh

The green light flashes during charging, stays on when fully charged, and the white light indicates fast charging.

The maximum charging speed is 5v4a, supports multiple fast charging protocols, and has battery detection overheat protection.

Perfectly matches the original leather protective bag.

Please note that the battery compartment has a battery temperature sensor exposed, so do not remove it privately.