Fenix ARB-L18-3500 3500mAh 18650 Battery
Power your adventures and gear up for peak performance with the Fenix ARB-L18-3500, a powerhouse 18650 Li-ion rechargeable battery engineered to keep high-drain devices running longer, stronger, and safer than ever. Boasting a robust 3500 mAh capacity, this premium cell is your go-to energy source for backbone-demanding flashlights, industrial tools, tactical gear, and everyday carry electronics. Whether you’re scouting remote trails at dawn, servicing heavy machinery on a construction site, or storming the field on a mission-critical operation, the ARB-L18-3500 delivers a rock-steady current that won’t quit until you do.
Encased in a rugged steel shell, this button-top battery shrugs off bumps, drops, and daily wear with ease. Inside, an advanced protection circuit guards against overcharges, over-discharges, short circuits, and overheating—so you can swap cells in dim trenches or scorching deserts without a second thought. Integrated pressure relief vents add an extra layer of defense, safely releasing excess gas in the unlikely event of an internal fault, giving you total peace of mind in even the most extreme environments.
Eco-conscious users will love the ARB-L18-3500’s long lifespan—up to 500 full charge cycles—which translates to fewer replacements, lower costs, and less waste. Guided by Fenix’s precision charging recommendations (1 A standard, 2 A max), you’ll optimize battery health and maximize runtime for years to come. Best of all, this versatile cell excels in both blistering heat and bone-chilling cold, making it the ultimate go-anywhere, power-on-demand companion for outdoor enthusiasts, emergency responders, and tech aficionados alike.
When every lumen counts and downtime is not an option, trust the Fenix ARB-L18-3500 to keep your devices energized and ready. It’s more than a battery—it’s your ticket to uninterrupted performance, safety, and sustainability. Elevate your kit with a power source designed to outlast the competition and light the way through any challenge.
Key Features
- 3500 mAh High Capacity – Extended runtimes for relentless, high-drain gear
- Advanced Protection – Guards against overcharge, over-discharge, short circuits, overheating
- Pressure Relief Vents – Safely release excess gas for added assurance
- Rugged Steel Shell – Impact-resistant housing that endures harsh conditions
- Button-Top Design – Universal compatibility with flashlights and electronics
- 500 Charge Cycles – Durable, eco-friendly performance that lowers long-term costs
- Extreme-Temp Ready – Reliable in scorching heat and freezing cold
Specifications:
- Type: 18650 Li-ion Rechargeable
- Capacity: 3500 mAh
- Nominal Voltage: 3.6 V
- Recommended Charge Current: 1 A
- Maximum Charge Current: 2 A
- Charge Cycles: ~500
- Protection: Built-in overcharge, over-discharge, short-circuit, overheat
- Weight: 1.8 oz (50 g)
- Dimensions: 2.7″ × 0.7″ (69 mm × 18.6 mm)
- Top Type: Button Top
- Certifications: CE, RoHS, UN38.3
Please check out other Fenix products.
