18650 Rechargeable Batteries

Fenix 3500 mAh Rechargeable 18650 Li-ion BatteryThe Fenix ARB-L18-3500 is a rechargeable 18650 li-ion cell with 3500 mAh capacity, and features multiple protection points in the anode and cathode, as well as pressure relief vents to protect against gas buildup in the case of short circuiting. The Fenix ARB-L18-3500 is the battery of choice for Fenix's high power, high drain flashlights, headlamps, and camp lanterns.

Fenix Micro-USB Rechargeable 18650 BatteryThe Fenix ARB-L18-3500U battery combines an 18650 li-ion battery with a handy micro USB port built right into the battery to allow for on the go charging from wall outlets, car receptacles, or other power sources without the need for a dedicated battery charger.

Fenix 3400 mAh Rechargeable 18650 Li-ion BatteryThe Fenix ARB-L18-3400 is a 3400 mAh 18650 Li-Ion battery offering built-in overcharge and discharge protection and longer runtimes for your high intensity flashlights.

Fenix 4000 mAh Rechargeable 18650 Li-ion BatteryThe Fenix ARB-L18-4000 is Fenix's newest rechargeable 4000 mAh 18650 li-ion battery which features multiple protection points in the anode as well as stable 7A output and improved thermal performance to prevent overheating.

Fenix USB-C Rechargeable 18650 BatteryThe Fenix ARB-L18-3400U V3.0 battery combines an 18650 li-ion battery with a handy USB-C port built right into the battery to allow for on the go charging from wall outlets, car receptacles, or other power sources without the need for a dedicated battery charger.