Description
The Fenix ARB-L21-6000B is a premium high-capacity 21700 Li-ion rechargeable battery engineered to deliver extended runtimes and dependable performance in compatible Fenix flashlights. With an impressive 6000mAh capacity, this battery is ideal for high-drain devices that require consistent and stable output. Built with advanced protection circuitry, it safeguards against overcharging, over-discharging, short circuits, and overheating to ensure safe and reliable operation.
Designed for versatility, the ARB-L21-6000B features a built-in USB-C charging port for convenient direct charging without the need for a separate charger. It also functions as a power bank, allowing you to charge small electronic devices in emergency situations or while outdoors, making it a practical addition to any gear setup.
Features
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High-capacity 6000mAh 21700 Li-ion battery
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Integrated USB-C charging port
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Power bank function for charging small devices
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Built-in overcharge, over-discharge, short circuit, and overheat protection
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Stable and reliable high-output performance
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Designed for compatible Fenix flashlights
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Durable construction for long service life







































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