








Fenix ARB-L18-1100 18350 1100mAh 3.6V Protected Lithium Ion (Li-ion) Button Top Battery
- 1100mAh battery provides your flashlight with long runtimes
- Lithium-ion chemistry makes this battery fully rechargeable!
- Internal and external protections ensure stable performance
- Designed for use in the Fenix TK05R tactical flashlight
- Size: 18350
- Voltage: 3.6
- Rechargeable: Yes
- Chemistry: Li-Ion
- Capacity (mAh): 1100
- Terminal Type: Button Top
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Description
Fenix ARB-L18-1100 18350
Efficient 18350 Battery
Give your flashlights power that they can rely on with the Fenix ARB-L18-1100! Its maximum capacity of 1100mAh gives your lights long runtimes, up to 14.5 hours in the Fenix TK05R. With a 3.6V voltage, it also provides stable performance, even during long periods of use. Its lithium-ion chemistry also makes it rechargeable so you can reuse it over and over again. Combined with its 7A maximum charging current, it recharges quickly to ensure that you have power you can rely on as soon as possible.
Multiple Protections
The ARB-L18-1100 is built with a variety of protections to ensure the battery's stable performance. Protection circuits in the anodes prevent overcharging, over-discharging, short circuiting, and overheating. This battery also includes a pressure relief valve to expel internal gas, separate microporous protection for even more stable charging and power delivery, as well as a PTC cathodal block for temperature management. Don't worry if you drop it, because the riveted steel shell protects against falls!
- Notable Features
- » 1100mAh max capacity provides long runtimes
- » Fast recharging in flashlights with 7A max charging current
- » Multiple internal and external protections for safe use
Item Details
| Brand | Fenix |
| SKU | FENIX-ARB-L18-1100 |
| MPN | ARB-L18-1100 |
| UPC | 6942870311081 |
| Size | 18350 |
| Voltage | 3.6 |
| Battery Rechargeable | Yes |
| Capacity (mAh) | 1100 |
| Chemistry | Li-Ion |
| Packaging | Boxed |
| QTY Per Package | 1 |
| California Residents | see Prop 65 WARNINGS |
Specifications
| Size | 18350 |
| Voltage | 3.6 |
| Battery Rechargeable | Yes |
| Capacity (mAh) | 1100 |
| Terminal Type | Button Top |
| Protected | true |
| Integrated Charge Port | No |
| Equivalent Types | 18350 |
Unit Dimensions
| Length | 1.54 in (39 mm) |
| Diameter | 0.74 in (19 mm) |
| Weight | 1.23 oz (35 g) |
Certifications & Transport
| Certifications/Standards | ANSI, CE, FCC, UKCA |
| Country Of Origin | China |
| HTS Code | 85076000 |
Packaging/Shipping Dimensions
| Length | 5.75 in |
| Width | 3.14 in |
| Height | 1.17 in |
| Shipping Weight | 0.115 lb |
Additional Details
| Packaging | Boxed |
| Warranty |
Fenix 1 Year Warranty Battery Junction Warranty |
| Return Policy | Return Policy |
Bright Buys
- Trusted and reliable; consistently rated as a top customer pick for LED flashlights
- Superior 1,600mAh capacity means longer runtimes and less frequent battery changes
- Optimized for both high and low drain devices
- State-of-the-art automated production lines ensure the highest quality and safety protections
- Ideal for low-drain applications that require a primary battery to provide constant power
- 10-year shelf life - stock up for emergencies!
- The best choice for consistent power, great in low-drain devices like remotes
- Safe and reliable - capable of performing in high or low temperatures
- 11-in-1 card sized tool fits in your wallet or on a keychain!
- Packed with handy tools including a screwdriver & 7 wrench settings
- Serrated saw and straight-edge knife for quick cutting jobs
- Can + bottle openers for campsite meals or end-of-shift relaxation
- Four-channels saves time by charging multiple batteries at once.
- Capable of charging multiple chemistries by automatic battery detection.
- LCD display reveals the charging progress, battery type, voltage, and charging current.
- Automatic power-off function cuts off the current when charging is complete.
- Trusted and reliable; consistently rated as a top customer pick for LED flashlights
- Superior 1,600mAh capacity means longer runtimes and less frequent battery changes
- Optimized for both high and low drain devices
- State-of-the-art automated production lines ensure the highest quality and safety protections
- Extremely compact and powerful EDC
- Max output of 3,000 lumens with a max throw of 229 meters
- Dual fuel and available with extender for use with a 26650
- Equipped with 4 x CREE XPG3 LEDs for maximum illumination
- 225mAh capacity drives long runtimes for watches and electronics
- CR2032 coin cells packed with 3V of power
- Convenient 6-piece retail card provides backup batteries
- Easily replaceable primary lithium cells
- Top recommended battery for Apple AirTags
- Trusted and reliable; consistently rated as a top customer pick for LED flashlights
- Superior 1,600mAh capacity means longer runtimes and less frequent battery changes
- Optimized for both high and low drain devices
- State-of-the-art automated production lines ensure the highest quality and safety protections
- 3,000 lumens and a 250-meter throw - fierce illumination to light up your backyard
- Multiple output modes are accessible via easy side switch operation
- Strobe, SOS, and beacon modes offer distinct signaling capability
- High-capacity battery supports the light with a maximum 227-hour runtime












