Description
Powered by solar energy, no battery or electricity required, energy-saving and environmentally friendly. Made of high-quality and durable ABS material. 100-degree foldable solar panel, easy to adjust for optimal solar energy absorption. Built-in 2200mAh high-capacity battery, it can operate for up to 20 hours on a full charge. Meanwhile, this air pump can be recharged via DC power with a USB cable. The internal circuit adopts intelligent microcomputer control with an imported single-chip, supporting constant pressure and constant current charging, overcharge/discharge protection, and a low-power alarm, making it safe to use.