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Fenix ARB-L14U 14500 1600mAh 1.5V Lithium Ion (Li-ion) Button Top Battery with Micro USB Charging Port - Clam Shell

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Fenix Micro-USB Rechargeable 14500 1600 mAh Li-Ion Battery

No Need For Bulky Chargers!

Part of Fenix's innovative new line of rechargeable batteries, the ARB-L14-1600U 14500 Battery is a potent combo of power and convenience. The powerful Lithium Ion battery delivers 1.5 Volts of power and can hold a considerable charge of 1600 mAh, more than twice the capacity of a typical 14500! Even more beneficial is the cell's unique micro-USB charging port, allowing the battery to be recharged using one of the most common power cords used today rather than a bulky, expensive battery charger. The charging progress of the battery can even be monitored thanks to the multicolored LED power indicator located on the top of the battery. Potent in its power and user-friendly in its design, the Fenix ARB-L14-1600U is the perfect cell for nay rechargeable battery user.

NOTE: Do NOT attempt to recharge this battery in a conventional battery charger. Attempting to use any other charging method other than the micro-USB charging will result in damage to both the battery and the charger and possibly result in personal injury or property damage.


  • Micro-USB charging port allows battery to be charged without the use of a conventional charger (Micro-USB Cable NOT Included)
  • Advanced protection circuit built into the anode to prevent overcharging, over-discharging, and short circuiting
  • Three different sets of overheat protection
    • Pressure Relief Valve Protection
    • Separate Micro-Porous Protection
    • PTC Cathodal Block Protection
  • Multicolored LED power indicator glows red while battery is charging, green when charging is complete


  • Battery Size: 14500
  • Battery Chemistry: Lithium Ion (Li-Ion)
  • Nominal Voltage: 1.5V
  • Nominal Capacity: 1600 mAh
  • Charging Input: Micro-USB 5V / 1.0A
  • Estimated Charge Cycles: 500 cycles
  • Dimensions:
    • Length - 1.97" (50 mm)
    • Diameter - 0.57" (14.5 mm)
  • Weight: 0.67 oz. (19 g)
Battery Size:14500
Battery Capacity (mAh):1600
Battery Chemistry:Li-Ion
Battery Voltage:1.5
Battery Terminal Type:Button Top
Battery Shelf Life:10 Years
Product Certifications:CE, FCC, RoHS
Warranty:Battery Junction 30-Day Warranty, Fenix 1 Year Warranty
Return Policy:Battery Junction Return Policy
Product Weight:0.67oz
Product Dimensions:1.969" (L) x 0.571" (Diameter)
Country of Origin:CN
Associated Battery Sizes:14500, AA, Lithium-Ion AA
Accessory Guide
Need help figuring out which accessory is compatible with this product? Check out our Fenix Flashlight Accessory Compatibility Guide!
By Calvin
July 20, 2018
Great Idea!
Gotta love a battery with built-in USB charge port! I got this for my travel kit, so I don't have to pack a battery charger. At first I thought having the charger built in would take away from the battery's capacity, but this does not see to be the case. Great product, with Fenix quality!
By Gerry
December 9, 2017
Good Concept.
Bought 2 of these to use in a TeraLUX Pro1 single aa flashlight. This diameter is a few thousands larger in diameter than reg alkaline and rechargeable nimh batteries. Unable to use in the aa light of my choice because of this. A better option is the Ultimate Lithium AA batteries (non rechargeable).
Prosconvenient rechargeable with micro usb charging.
ConsWarning. rechargeable with micro usb charging only. Do not try to use any other type of charger, even a Li-ion charger can not be used.
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