With outdoor camping, special operations, self-driving tourism and many other scenes of off-grid electricity demand has gradually become the market demand, outdoor power supply has the advantages of portability, environmental protection, mute, no smell, outdoor power supply in the domestic and foreign markets gradually increased. However, under the tuyere, a series of challenges such as homogeneous competition, following the trend of investment, lack of standards, potential safety hazards, and uneven brands have also followed.