Two cylindrical Fenix ARB-L16-700UP batteries with orange and black color schemes, designed for rechargeable use.
The micro-usb charging port of the Fenix ARB-L16-700UP battery
Fenix ARB-L16-700UP battery with text details
Fenix ARB-L16-700UP battery with heavy load discharge
Text explaining the 500 charge cycles of the Fenix ARB-L16-700UP battery
Short circuit protection of the Fenix ARB-L16-700UP battery
Protection features of the Fenix ARB-L16-700UP battery
Fenix ARB-L16-700UP battery technical parameters chart
Pressure relief vent of the Fenix ARB-L16-700UP battery
A chart comparing the Fenix ARB-L16-700UP battery to a previous version
Fenix ARB-L16-700UP battery Micro-USB charging port

Fenix ARB-L16-700UP USB Rechargeable 16340 Battery

Regular price$10.95
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The Fenix ARB-L16-700UP features 700mAH current charging capacity and advanced protection circuit for superior safety performance. This 16340 Battery has a heavy load discharge rate of 3.5C and a reliable output of 2.5A. With over 500 recharge cycles, it eliminates the need for non-rechargeable alternatives. Compatible with various lights such as flashlights, headlamps, bicycle lights, and lanterns, it can be powered via the integrated micro-USB port or a Fenix battery charger. Plus, it boasts three levels of overheat protection for added security.

Note: This item is packaged and priced for one single 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.  

700mAH 16340 battery, 3.6V Micro USB charging port lets you charge the battery directly

Protection Circuit in the Anode to prevent short circuit

3 Layers of overheat protection

Heavy Load Discharge: 3.5C high rate discharge; 2.5A stable output

500 recharge cycles for long-lasting battery life.

Overcharge, discharge, short circuit, and overheating protection

Pressure relief valve protection, separate microporous protection, and PTC cathodal block protection

  • Fenix ARB-L16-700UP (Qty 1)

Overall rating: 4.7310343 / 5 from 145 reviews.

AI Generated Review Summary

The Fenix ARB-L16-700UP USB Rechargeable 16340 Battery offers a 700mAh capacity, advanced protection circuits, and a reliable 2.5A output. Customers appreciate its quality and long-lasting performance, though opinions on the cell and shipping vary. It features three levels of overheat protection and is compatible with various lights.

Summary topics

  • Product Quality: 8%
  • Charger Convenience: 10%
  • Light Performance: 7%

Review topics: [].

Review highlights

  • "Great battery, good power delivery and endurance, love inbuilt miso USB port!"Aaron K.
  • "Quick ship, excellent reputation, nice price."Dave Q.
  • "This battery has been great so far with a long charge and providing an extreamly bright light when in use."Benjamin M.

Reviews

reliable batteries

"I love these batteries they are as advertised. These really hold their charge and are so easy to charge."

Terrill P. (5/5)

Best I've found

"These are the best quality batteries I've bought so far. I was a bit skeptical at first but they are what they say they are. A good buy in my opinion."

Jeff S. (5/5)

High Quality Battery

"This was recommended to me for my RC project for its quality."

Adam K. (5/5)

Works great!

"Dont have any issues with them, I use them all the time and the built in USB port is so nice to have!"

Matthew R. (5/5)

Great batteries

"Great powerful long-lasting batteries"

Mike D. (5/5)

Won’t charge

"Brand new out of the box and it won’t take a charge. Waste of money!"

David C. (1/5)

Awesome battery

"Like I said, an Awesome battery. How one would expect a rechargeable battery to work and last as long as it does. Great products!!"

Marie M. (5/5)

Works wonderfully for my HMR50

"The batteries are great to have as backups for my HMR50 headlamp. I can now get through a full workday without having to recharge. The mini USB port on these batteries is nice. The battery that came with the headlamp does not have that."

Sam S. (5/5)

USB rechargeable batteries

"Wow a battery that you can charge with a usb cable no charger to look for. Great battery works great."

Mark P. (5/5)

Just what I needed

"Using these for a project. Awesome"

David M. (5/5)

Q&A