Nitecore 21700 Intelligent Battery System

Nitecore's 21700 Intelligent Battery System is a kit comprising a 5000 mAh battery (in 21700 cell format), a removable 80 lumen magnetic lamp and a removable magnetic powerbank for recharging devices via USB.

Weighing just 73 grams and taking up very little space, you've got a backup power source that can be used as both a lamp and a charger. The 80-lumen lamp has a 19-hour runtime and a 12-meter range. The magnetic powerbank allows you to recharge your devices via USB, but also to recharge the battery. The battery can also be charged on reusable battery chargers. The battery's 5000 mAh capacity is sufficient to charge a smartphone.

The set comes in a plastic carrying case.