M Tiger Sports 8,5V -> 5V USB adaptor

With this super-smart USB adapter you make your headlamp battery a power bank with very high capacity. Charge the battery Plug in the USB cord Load mobile phone / tablet or other electronic equipment that can be charged via USB 5V / 1A In addition to being a smart and very powerful solution, you keep your battery in trim by charging it often Works with the following battery pack: BR 231, BR 233, BR 235, BR 237