The solar charger has the advantages of small size, high capacity and long service life It is suitable for business trip, tourism, long-distance travel, field work and other environments as well as the backup power supply and emergency lighting for students. It has safety protection, good compatibility, large capacity, small size, long service life, and high cost performance.

The batteries are mainly lead-acid batteries, lithium batteries and nickel hydrogen batteries. The loads can be mobile phones and other digital products. The loads are diverse.