3500 Rechargeable Battery

The Fenix 3500 Rechargeable Battery is a premium 18650 lithium-ion cell designed for outdoor enthusiasts, including anglers and boaters, who require dependable power for their tactical lights, GPS units, and electronic gear in challenging marine environments.

With a capacity of 3500mAh, this next-generation battery provides the necessary runtime and performance for extended use on the water, whether for night fishing or powering backup equipment during multi-day trips. It is built with multiple layers of internal protection, including integrated short-circuit prevention and intelligent thermal management, which are essential for use in wet, saltwater, and temperature-variable conditions.

The Fenix 3500's button-top design ensures compatibility with a wide range of 18650-compatible devices, enhancing contact reliability and reducing corrosion risk. Its proven durability and rechargeability make it an excellent choice for boaters and professional anglers, minimizing reliance on disposable batteries and lowering operating costs during extended trips.