Samsung INR21700 5000mAh 10A battery.

Size code 21700.

We recommend using up to 20W.

The cells are at a minimum charge level at the factory, they must be charged before first use.

We recommend charging them only with a high-quality charger.

Do not leave the battery in the charger for more than 12 hours.

It can cause a short circuit if used incorrectly.

We recommend storing the battery in a cool, dry, well-ventilated place.

Do not expose the battery to radiant heat or throw it into fire.

Do not use if the battery is damaged or deformed.

Never store the battery in your pocket next to keys or other metal objects, for example.

Keep out of reach of children.

Flat top design, without protection.

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