Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping on Most USA Orders
Some products sold on this website may expose you to chemicals known to the State of
California to cause cancer, birth defects, or other reproductive harm.
All electrical products must be installed by a qualified electrician in accordance
with local wiring regulations. Incorrect installation may result in fire, electric
shock, or injury.
Always disconnect power at the circuit breaker before installation.
💡
Bulb & Usage Advisory
Do not exceed the maximum wattage specified on the fixture label.
Keep away from flammable materials. Allow adequate ventilation around the fixture.
Keep out of reach of children. Not suitable for wet locations unless rated IP65 or higher.
The Fenix ARB-L18-4000U High-Capacity 18650 Battery boasts a built-in USB-C charging port and a top-of-the-line 4000mAh rating, ensuring, convenience, top-notch performance, and dependability. With built-in safeguards such as short-circuit prevention and multiple protective layers, along with a button-top design perfect for various Fenix LED flashlights, this rechargeable battery series is the ideal option for superior lighting capabilities. The Built-in USB-C charging ports means that you don't need anything more than a charging cable to get going, not external battery charger needed.
Note: This item is packaged and priced as one battery.
THIS BATTERY IS SLIGHTLY LARGER THAN A NORMAL 18650 BATTERY. SEE SPECIFICATIONS FOR DETAILED LIST OF COMPATIBLE PRODUCTS
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.
⚠️ WARNING (California Proposition 65): This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.
I recently picked up this Fenix ARB-L18 4000U battery, and I gotta say, it has worked wonders for my flashlight. The 4000mAh capacity means I don’t have to recharge it as often, and the USB rechargeable feature is super convenient. Definitely a step up from my old batteries!
M
Marco Torres
Had issues with charging
I wanted to love the Fenix ARB-L18, but I ran into some trouble with the charging. It sometimes doesn’t connect right away, which is frustrating when you’re relying on it. The battery life itself is solid once charged, so that's a plus! Just wish the charging was smoother.
C
Chloe Taylor
Great addition to my setup
These lights transformed my gaming space overnight. Easy to install and the brightness is adjustable to match any mood. Highly recommend to fellow gamers!
C
Chloe Taylor
Great addition to my setup
These lights transformed my gaming space overnight. Easy to install and the brightness is adjustable to match any mood. Highly recommend to fellow gamers!
J
Jessica Lin
Solid performance but a bit pricey
This Fenix 18650 battery delivers impressive power at 4000mAh, which is nice for my camping gear. I do wish it was a bit cheaper, though – similar batteries I've used cost less. But the reliability is excellent; it's been running my devices without any hiccups so far!