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Rechargeable 21700 Li-ion Battery Nitecore 21700 5500mAh 20A 3.6V
Summary description:
Cylindrical rechargeable 21700 Li‑ion battery from Nitecore with 5500mAh capacity, 20A maximum continuous discharge and nominal voltage 3.6V. Designed for high-capacity and moderate‑current applications such as high‑drain flashlights, power banks, and portable electronics. Suitable for devices requiring 21700 cells; follow manufacturer guidelines for charging and safe use.