Fenix ARB-L18-3500 High-Capacity 18650 Battery - 3500mAh
Fenix ARB-L18-3500 High-Capacity 18650 Battery - 3500mAh
Fenix ARB-L18-3500 High-Capacity 18650 Battery - 3500mAh
Fenix ARB-L18-3500 High-Capacity 18650 Battery - 3500mAh
Fenix ARB-L18-3500 High-Capacity 18650 Battery - 3500mAh
Fenix ARB-L18-3500 High-Capacity 18650 Battery - 3500mAh
Fenix ARB-L18-3500 High-Capacity 18650 Battery - 3500mAh
Fenix ARB-L18-3500 High-Capacity 18650 Battery - 3500mAh
Fenix ARB-L18-3500 High-Capacity 18650 Battery - 3500mAh
Fenix ARB-L18-3500 High-Capacity 18650 Battery - 3500mAh
Fenix ARB-L18-3500 High-Capacity 18650 Battery - 3500mAh
Fenix ARB-L18-3500 High-Capacity 18650 Battery - 3500mAh
Fenix ARB-L18-3500 High-Capacity 18650 Battery - 3500mAh
Fenix ARB-L18-3500 High-Capacity 18650 Battery - 3500mAh

Fenix ARB-L18-3500 High-Capacity 18650 Battery - 3500mAh

$24.95
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The ARB-L18-3500mAh 18650 battery from Fenix is a high-grade model with an impressive 3500mAh rating, providing superior performance and reliability. It is equipped with protective features like short-circuit prevention, multiple layers of protection, and a button-top design that is suitable for a variety of Fenix LED flashlights. Rechargeable, reliable, and long-lasting, the 18650 series is the ultimate choice for high performance lighting.

Note: This item is packaged and priced as 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 common.  

  • Fenix ARB-L18-3500mAh 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. 
  • Fenix ARB-L18-3500 Rechargeable 3500mAh 18650 Battery

Overall rating: 4.8931084 / 5 from 711 reviews.

AI Generated Review Summary

The Fenix ARB-L18-3500 High-Capacity 18650 Battery is highly regarded for its impressive 3500mAh rating, providing superior performance and reliability. Customers praise its high quality, long-lasting power, and excellent customer service. The battery's protective features and rechargeability make it a top choice for high-performance lighting needs.

Summary topics

  • Light Performance (10%): Customers expressed satisfaction with the light, describing it as great, excellent, fantastic, and the best they've ever owned.
  • Customer Service (4%): Customers loved the great service provided by Fenix, which was mentioned multiple times in the reviews.
  • Value for Money (4%): It was noted by customers that this battery has the best capacity of any they have found in a 18650 size.
  • Battery Life (4%): It was highlighted by customers that the product has a great life. (Fenix ARB-L18-3500 High-Capacity 18650 Battery)
  • Power Output (4%): Customers expressed satisfaction with the power provided by the batteries, which was mentioned multiple times in the reviews.

Review topics: [].

Review highlights

  • "High power, long life at full charge." — Lee S.
  • "Excellent service and shipping was fast" — brian k.
  • "Holds charge well,impressive life" — David N.

Reviews

Some of the best products available.

"Have bought several fenix products and have never been disappointed has always been an amazing product and have lasted for years. The only thing this time around is taking much longer to receive the package, but I have confidence and patience in there company’s delivering system worth the weight in time"

— Jerry j. (5/5)

Make sure you order correct

"Make sure you order correct one, one needs an external charger and one has micro USB port on side of battery. Two slightly different part numbers. Love the battery."

— Jim J. (5/5)

"Was supposed to be delivered on the 15, now it's the 21st and still no updates"

— Juergen (1/5)

Fenix Battery

"Good quality battery"

— David N. (5/5)

Customer Service Never Responded

"I emailed customer service because the battery didn’t fix the issue, inquired about servicing the flashlight it self and never heard back. 0/10."

— Derek B. (1/5)

"Solid batteries, expensive, but high quality."

— Keenan (5/5)

Great product. My husband loves

"Great product. My husband loves his Fenix!"

— Jenniffer M. (5/5)

Night walking performance proof.

"I've been using this battery on a headlamp for very long time and is so good, long durability, great performance and trusty to carry for long night walks, I ordered a second one for just in case you know,. . . overall, I love it."

— Jose C. (5/5)

Just what I needed

"Needed a replacement battery. My Fenix is my GOTO lamp. Never leave home without it:)"

— Richard R. (5/5)

Headlamp

"Great"

— Matt T. (5/5)

Q&A