Wuben E7 extension tube for 18650 battery, black

The extension tube for the Wuben E7 headlamp allows the use of a larger 18650 battery, significantly extending runtime. The lightweight and durable aluminum construction in black is ideal for everyday use and demanding conditions.

Longer runtime with an 18650 battery

By attaching the extension tube, you can use a higher-capacity 18650 cell and enjoy noticeably longer runtime for the Wuben E7 headlamp.

Perfect compatibility with Wuben E7

The tube is designed specifically for the Wuben E7 headlamp, fitting threads and seals precisely for reliable operation.

Upgrade your Wuben E7 headlamp with an extension tube that expands compatibility to 18650 batteries. Gain longer operation without frequent charging and dependable performance for work, hiking, and camping.

The tube is made of lightweight, durable aluminum with a robust black finish. Precision threads and sealing ensure a solid, secure connection with the light body.

Longer runtime: use an 18650 battery for extended operation.
Durable construction: aluminum body resistant to wear.
Easy installation: simply screw it between the body and the tailcap.
Compatibility: intended exclusively for the Wuben E7.