♥ Portable hand-cranked generator, can be used as emergency power supply.
♥ Compact size, light weight, easy to use.
♥ High power USB charging generator, strong power generation.
♥ The faster the hand crank speed, the greater the power. The maximum power is about 20W.
♥ It can be used in field operations, field trips, rescue operations, natural disasters, survival training, emergency communication, long-term power shortage, tourism, emergency electricity, etc.
