Fenix ARB-L21-5000U is a Premium Quality High Capacity 21700, 5000mAh USB-C rechargeable Lithium – ion battery specifically designed for high intensity flashlight use and is the perfect companion for Fenix 21700 powered lights.
- Li-ion 21700 battery
- 7v nominal
- 5000mAh capacity
Fenix ARB-L21-5000U battery features:
- High capacity (5000mAh), great reliability and compact design
- 8A maximum output current
- USB-C fast charging port built in to battery
- 1A recommended charging current. 5A maximum (Charges up to 2A max via USB port)
- Protection circuit built into negative terminal for outstanding damage resistance
- Triple overheat protection for safety and reliability
- Built-in overcharge and over discharge protection
- Unique structural design for better impact resistance
- Button top positive contact for greater versatility
- Dia 21.5mm, Length 76mm
Please note that this item is larger than an 18650 sized battery and will not fit in products designed to take 18650 batteries
USB-C charge cable is not included.
SPECIFICATIONS
Battery Type: 21700
Charging Info: Recommended charge current 1A, Maximum charge current 5A in external charger. Max 2A charging via USB
Further Info: Li-ion batteries should never be left charging unattended under any circumstances. The user must have knowledge of how to charge and discharge Li-ion batteries before using them. Always use a charger that is designed to recharge the particular Li-ion cell that you wish to recharge. Never use a DC adapter to charge Li-ion batteries. We are NOT responsible for any damage that is caused by the misuse of Li-ion batteries. We recommend charging any Li-ion cell on a metal or other non-flammable surface.






