Fenix 21700 Rechargeable Li-Ion Battery

The Fenix ARB-L21-5000 is a high capacity 21700 Li-ion rechargeable battery made for Fenix’s next generation high powered flashlights. With a capacity of 5000mAh, and a 7.5A max current, The ARB-L21-5000 includes circuit protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating, and pressure relief vents which expel waste gas in the rare case of an internal short circuit - preventing fires or explosions. Compatible chargers are Fenix’s ARE-A2, ARE-A4, ARE-D1 or ARE-D2.

PLEASE NOTE: This battery is not an 18650, and is not compatible with 18650 flashlights, or older style chargers.

• 500 Recharge Cycles
• 5000 mAh Capacity
• Lithium-ion rechargeable
• Multiple Layers of protection
• Pressure Relief Valve Protection
• Separate Microporous Protection
• PTC Cathodal Protection
• Protection Circuits in the anode: Overcharge | Over-discharge | Short Circuit
• Overheat Protection
• 7.5A Maximum current
• Steel Shell Riveting
• 3.6V
• Charging Current: 1A recommended, 5A Maximum
• Warranty Period:  12-month free warranty period from purchase date

• Weight: 72.5g
• Height: 7.6cm
• Diameter: 2.1cm

Please note that a battery recycling station is available at our Port Credit store.