Skemer's review of the NPB2:
An IP68 (2m Submersible!),1m drop resistant, 10,000mAh Li-ion Power Bank with QC3.0 (fast charging USB outputs) and Touch Sensor Battery Level Display. The perfect, all weather, high performance Power Bank you've been waiting for. If the conditions you find yourself in or the gear you carry often calls for small and rugged, then the NPB2 has answered you calls. Keep your GPS, Mobile Phone, Flashlights etc. powered up whilst boating, camping, kayaking or overlanding. On the inside, you'll find two 21700 5,000mAh Li-ion Nitecore Batteries - the same ones you trust to keep your Nitecore Flashlights going. - durablility and superb performance guaranteed!
Battery Type 21700 Li-ion Batteries Capacity 10,000mAh 3.64V (36.4Wh) Rated Energy 6,499mAh 5V (TYP 1A) Input Micro-USB: 5V-2A 9V=2A Output USB-A: 5V-2.4A 9V-2A (18W MAX)
Single Port: 5V=2.4A 9V=2A 12V=1.5A
Dual Ports: 5V=2.4A (18W MAX)
IP Rating IP68