Fenix 21700 6000mAh Li-ion Rechargeable Battery & Power Bank ARB-L21-6000B

The Fenix ARB-L21-6000B combines extended power with extra convenience in one compact battery. Whether you need longer runtimes from your torch or backup power for essential devices, it delivers dependable performance when it counts.

• 6000mAh capacity
• 21700 Li-ion rechargeable battery
• USB-C direct charging
• Power bank capability
• Advanced safety protection circuitry

High Capacity for Longer Runtimes

This premium 21700 Li-ion battery is engineered for extended runtimes and dependable performance in compatible Fenix flashlights. Its 6000mAh capacity suits high-drain devices that need consistent, stable output, and advanced protection circuitry guards against over-charging, over-discharging, short circuits and overheating.

Charge It Directly, Use It as a Power Bank

A built-in USB-C port lets you charge the battery directly with no separate charger needed. It also works as a power bank, so you can top up small electronic devices in an emergency or while outdoors.

Features

• High-capacity 6000mAh 21700 Li-ion battery
• Integrated USB-C charging port
• Power bank function for charging small devices
• Built-in over-charge, over-discharge, short circuit and overheat protection
• Stable, reliable high-output performance
• Designed for compatible Fenix flashlights
• Durable construction for long service life