Nitecore 10000mAh waterproof power bank - the perfect companion for all weather conditions! Sealed charging ports. 1m shockproof and 2m waterproof. Scratch-resistant casing, lightweight and compact. The power bank withstands external temperatures down to -10°C. Inside the power bank is the next-generation 21700 Li-ion battery cell, considered the future of cylindrical cells. Qualcomm 3.0 output ensures a fast charging process, max 18W. Touch-sensitive LED indicators show the remaining capacity. Overcharge, overvoltage, and short circuit protection. Thermoregulation function.