The best
"Must have accessory!Excellent batteries for lights . Never had leaking from Fenix batterires."
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More Information
Specifications of the ARB-L18-3400U V3.0 Built-in USB Rechargeable Battery
- USB Type-C charging port (charging cord NOT included)
- 3400mAh high capacity
- Protection circuitry to prevent short circuits
- Pressure vents to prevent explosions
- Capacity: 3400mAh
- Voltage: 3.6V
- Charging Current: Recommended 700mA, maximum 3.3A
- Charging Current USB Port: 1.5A
- Weight: 1.94 ounces (55g)
- Size: Length: 2.75" (70mm) Diameter: 0.74" (18.75mm)
- Warranty Period: 12 months from date of purchase
- Indicator light on battery is red while charging, blue when charged
- Compatible with all lights using an 18650 battery.
*Battery does NOT include charging cord.
Overall rating: 4.7746477 / 5 from 71 reviews.
AI Generated Review Summary
The ARB-L18-3400U V3.0 is a high-capacity 18650 Li-ion USB rechargeable battery with a protection circuit to prevent short circuits, overcharge/discharge, and overheating. It includes a USB Type-C charging port for easy charging and pressure relief vents to expel waste gas in case of an internal short circuit.
Summary topics
- Product Quality (18%): A significant number of customers brought up the excellent quality of the product, praising its durability and attention to detail.
Review topics: ["shipping","quality","light","works","battery","charger","performance","flashlight","setting","runs","usb","cable","brand","spare","plug"].
Review highlights
- "All in all, I really like the Finex lights and batteries." —
- "I was pleasantly surprised with the quality and detail in each product." —
- "As usual, you can never have too many backup batteries for the great Fenix tactical lights." —
Reviews
Excellent Battery – Long Runtime and Convenient USB Charging
"The ARB-L18-3400U is an outstanding rechargeable battery that delivers exactly what it promises. The 3400mAh capacity provides excellent runtime, making it perfect for high-performance flashlights and other demanding devices. The built-in USB charging feature is incredibly convenient. Being able to charge the battery directly without carrying a separate charger makes travel and everyday use much easier. Charging is simple, reliable, and efficient. Build quality is excellent, as expected from Fenix. The battery holds its charge well during storage and provides consistent performance throughout the discharge cycle. I've experienced dependable operation with no noticeable drop in power. If you're looking for a high-capacity, reliable, and convenient 18650 battery, this is an excellent choice. Premium quality, great performance, and outstanding convenience. Highly recommended! ⭐⭐⭐⭐⭐"
Having a spare battery that
"Having a spare battery that can be charged directly with a usb-c cable means I don’t need to carry an external charger for the battery! Since my phone uses the same cable I don’t even have to carry a different cable just for the battery!"
Good quality battery and handy charging plug built in.
"Works as advertised. I like using the "U" batteries when I am on the road since I can recharge them using the same cord as my cell phone."
"Outstanding product as always from Fenix"
"Some of the best batteries on the market of their kind."
Ready and Prepared
"Better to carry a spare battery just in case. Keeping with the saying, “ one is none, two is one”."
Awesome
"Works like it should long lasting"
2nd One I purchased
"Bought a 2nd one, I think that speaks enough."
It’s just a battery but
"It’s just a battery but a damn good one:) No complaints at all."