Nitecore NPB4 Battery Li-ion 21700 - 20 000mAh

The Nitecore NPB4 power bank is your ideal power solution for outdoor activities and everyday carry. IP68 rated and waterproof up to 2m, with 1m of drop resistance, NPB4 can take a splash or an accidental drop when you are running, hiking, trekking or kayaking. Equipped with 4 x 21700 Li-ion batteries, the NPB4 has a sufficient power of 20,000mAh for smartphones, GPS, headlamps, headphones and more.

With an outstanding water and dust resistance, the Nitecore NPB4 is the latest model of the world's first IP68 rated waterproof power bank series and remains unaffected after 2-meter underwater submersion for 30 minutes, perfect for caving, mountaineering, maintenance checks and more.

The premium waterproof design of the NPB4 includes the high strength waterproof O-ring on the charging port, the advanced glue pouring technology to ensure a waterproof environment for components and the fire retardant PC materials constructed shell by ultrasonic welding technology to offer extreme tightness against water and vapor. The solid housing constructed by the lightweight and fire retardant PC materials has an excellent high temperature, scratch and impact resistance to guarantee a long lifespan.

Equipped with 4 x 21700 Li-ion batteries, the NPB4 has a sufficient power of 20,000mAh for smartphones, GPS, headlamps, headphones and more. Featuring long lifespan, high energy density and powerful performance, 21700 Li-ion batteries were first introduced in the electric car industry and are considered to be the future of cylindrical batteries. The Nitecore NPB4 power bank is ultra compact and lightweight with 378g. The included high strength nylon holster makes it portable and easily attached to the backpack or the MOLLE System. The USB-C + Dual USB-A output design makes the charging process incredibly convenient with a max output power of 18W.

The NPB4 features a touch sensor power level display. Tap the Touch Icon, and the blue indicators beside the input port will be turned on to display the power level. The battery is equipped with multiple protection safeguards to be used in temperature between -10~40℃ (14~104℉). In accord with the UN38.3 Standard with a rated capacity less than 100Wh, the NPB4 is airline approved as your best worry-free power companion while on the move. 

Easy to use and carry the Nitecore NPB4 power bank has sufficient power to charge up to 6 times a iPhone12, 4 time a Huawei P30, 32 times AirPods Charging Case and up to 3 times Portable Game Console.