The NB10000 Gen4 is powered by a next-generation silicon–carbon anode battery of 8% ultra high silicon content, the same technology used in flagship smartphones. The 9V high-voltage platform and active balancing BMS technology significantly improve power transfer efficiency. The NB10000 Gen4 has rated energy of up to 7,200mAh in Eco Mode and supports 22.5W dual-way fast charging. Two output modes enable flexible switching to match your trail running strategy: Regular Mode for quick power-up; Eco Mode for extended runtime.