Fenix ARB-L21-5000U Rechargeable Battery
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A powerful 21700 battery for your high-drain devices. Charging this powerful battery has never been easier, with an integrated USB-C port that lets you top it up nearly anywhere. Designed for devices that require higher voltages. With 3 levels of overheating protection, the L21-5000U is easy and safe to use.
- Built-in female USB-C port makes charging easy
- LED charging indicator lets you know when your battery is topped up and ready to go
- Internal protection circuit in the anode prevents short circuits
- At least 500 cycles can be expected from a properly maintained battery
- Steel shell for increased impact resistance
- Over-charge, discharge, short circuit and overheating protection
- 3 sets of overheating protection: pressure relief valve protection, separate microporous protection, and PTC cathodal block protection
- Charging current: recommended 1A, maximum 5A
- Charge time ~4h
- Dimensions: 76 x 21.5mm
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