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Fenix ARB-L18-2600U USB Rechargeable 18650 Battery


The ARB-L18-2600U is a rechargeable 18650 Li-ion battery with a micro-USB charging port built in.

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EAN: 6942870304595 SKU: WESARBL182600U Categories: , Tag:

Product Description

Fenix ARB-L18-2600U USB Rechargeable 18650 Battery

The ARB-L18-2600U is a rechargeable 18650 Li-ion battery with a micro-USB charging port built in. In addition, the anode has a protective circuit to protect against short circuits, overcharge/discharge, and overheating. Without the need of a separate charger, this battery can be charged fast. This not only saves you money by avoiding the need to purchase a charger, but it also saves the hassle of having to carry about another device. This will work with all current models that use a li-ion 18650 battery.  There is no micro-USB charging cable included.


  • Fenix ARB-L18-2600U Rechargeable Li-ion 18650 Battery
  • LED to indicate if battery is done charging
  • Protection circuit built in the anode with a steel hat by riveting process. Steel shell eliminates the risk of short circuit caused by collision and impact.
  • Pressure Relief Vent: Expels waste gas generated by internal short circuit. Expelling waste gas prevents a cell from inflating or exploding.
  • Three Sets of Over-Heat Protection:  Over charge protection, Over discharge protection, Short circuit protection, and overheating protection
  • 500 Charge Cycles: A properly maintained ARBL18 battery is designed to retain up to 75% of its original capacity at 500 full charge and discharge cycles.


Tech Specs

  • Capacity: 2600mAh
  • Voltage: 3.6V
  • Charging Current: Recommended 1A, maximum 2A
  • Charging Current USB Port: 1A
  • Weight: 50g
  • Size: Length: 2.8″ (70mm) Diameter: 0.7″ (18.6mm)
  • Warranty Period: 12 month from date of purchase
  • Indicator light on battery is red while charging, blue when charged



Fenixlight Ltd, established in 2001, specializes in crafting top-tier personal lighting products, including flashlights, headlamps, bicycle lights, camping lanterns, and accessories. The brand has earned global recognition and is the trusted choice for demanding professionals, including military personnel, first responders, law enforcement, and industrial experts who rely on Fenix to illuminate the darkest situations effectively.

Fenix Store, founded in 2006, has emerged as the world’s largest and most reputable retailer of Fenix products, offering direct-to-consumer sales in the United States. As a service-disabled, veteran-owned company, we are dedicated to providing exceptional customer service and the best value for Fenix product enthusiasts. Fenixlight Limited, headquartered in Shenzhen, China, upholds a commitment to excellence, integrity, and superior product performance. The company’s lighting solutions are widely employed in various professional sectors, such as outdoor recreation, military and police operations, security, and diverse industries. Fenix remains an esteemed high-end mobile lighting brand, renowned for its exceptional product quality and service, with a mission to deliver superior mobile lighting solutions worldwide.