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Nitecore NPB4 Waterproof Power Bank

20000mAh sufficient power for smart phones, laptops, tablets, portable game consoles
Ultra compact High strength waterproof O-ring on the charging port
Advance glue pouring technology to ensure a waterproof environment for components.

With an outstanding water and dust resistance, the Nitecore NPB4 Waterproof Power Bank 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 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. It is ultra compact and lightweight with 378g (13.33oz). 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.

Battery Type 21700 Li-ion Batteries
Capacity 20,000mAh 3.64V (72.8Wh)
Rated Energy 12,400mAh 5V (TYP 1A)
Input Micro-USB: 5V⎓2.4A 9V⎓2A, USB-C: 5V⎓3A 9V⎓2A 12V⎓1.5A
Output USB-A: 5V⎓3A 9V⎓2A 12V⎓1.5A, USB-C: 5V⎓3A 9V⎓2A 12V⎓1.5A
Multi Ports 5V⎓3A
IP Rating IP68