ARB-LP21 battery tank for the HM75R SE flashlight

The Fenix HM75R SE headlamp with a battery pack is versatile and suitable for all weather conditions and physical activities.

Battery pack for the Fenix HM75R SE headlamp – large capacity and power bank function

The battery pack is equipped with a 21700 battery that provides long-lasting power to the headlamp (even during operation). In emergency situations, it can function as a power bank, allowing you to charge other devices.

Ease of use

The battery's design allows for easy connection and disconnection from the flashlight, making it much easier to use and transport.

Battery for the Fenix HM75R SE Headlamp – Waterproof USB-C Port and IP68 Protection

The battery has a waterproof and fast-charging USB-C port. The device also boasts a high IP68 protection rating. This means it is resistant to dust, dirt, rain, and complete immersion in water up to 2 meters deep for 30 minutes.

Extended runtime

The battery extends the flashlight's runtime significantly. The energy stored in the device (along with the energy drawn from the built-in battery) allows for a beam of light of 350 lumens for almost 19 hours.
...

The following parameters were achieved using two power sources: the built-in battery in the HM75R SE flashlight and the included battery.