The new Ferei HL40 lithium ion powered 540 lumen LED headlamp is one of the nicest on the market. The head of the Ferei HL40 headlamp can be zoomed in...
This listing is for the headlamp only and not the full kit which normally includes a charger and batteries. We recommend purchasing an external charger found here and at least...
The Ferei BA4884 battery case will allow you to install four 18650 batteries within it and connect it to the HL50II for extended runtime. Once installed you can attach the battery...
