Fenix ARB-L18-3400mAh Rechargeable 18650 Battery
Fenix ARB-L18-3400mAh Rechargeable 18650 Battery
Fenix ARB-L18-3400mAh Rechargeable 18650 Battery
Fenix ARB-L18-3400mAh Rechargeable 18650 Battery
Fenix ARB-L18-3400mAh Rechargeable 18650 Battery
Fenix ARB-L18-3400mAh Rechargeable 18650 Battery
Fenix ARB-L18-3400mAh Rechargeable 18650 Battery

Fenix ARB-L18-3400mAh Rechargeable 18650 Battery

Regular price$19.95
/
Shipping calculated at checkout.
  • Free shipping for orders over $25
  • Satisfaction guaranteed
  • In stock, ready to ship
  • Inventory on the way
  • Earn reward points - get discounts!
  • Backed by the Fenix Limited Lifetime Warranty

This site is protected by hCaptcha and the hCaptcha Privacy Policy and Terms of Service apply.


The ARB-L18-3400mAh rechargeable 18650 battery has built-in features to prevent short circuits and multiple layers of protection within it. With the new button-top design, the new 18650 series better accommodates a variety of flashlight brands. 18650 batteries are perfect for powerful Fenix LED flashlights since they are rechargeable, have a long battery life, and can handle the power requirements of advanced LED flashlights. Fenix 18650 batteries are rated for up to 500 charge cycles for impressive overall battery lifespan. 

Note: This battery is priced and packed as a single unit - one battery. 

Shipping Note: Lithium ion batteries are considered "dangerous goods" per US transportation regulations and can often only be transported via ground shipment. Orders containing loose batteries will typically take much longer than predicted to be delivered. Delivery times of 14+ days are not uncommon.  

  • Fenix ARB-L18-3400mAh
  • Rechargeable 18650 Battery
  • Button-Top Design 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 and over-discharge protection
  • Short-circuit protection
  • Overheating protection
  • 500 Charge Cycles: A properly maintained ARB-L18 battery is designed to retain up to 75% of its original capacity at 500 full charge and discharge cycles.
  • ARB-L18-3400 Rechargeable 3400mAh 18650 Battery