External auxiliary battery made of bamboo, featuring a 5,000 mAh capacity. It is equipped with a 15W wireless charger and a holder for mobile devices. The battery has a USB output for charging other devices and supports dual Type-C input/output connection. It also features an LED charging status indicator. The battery is compatible with devices that support Qi wireless charging technology and comes with a Type-C charging cable. It is presented in an individual kraft design box, accompanied by an instruction manual in English and Spanish. The USB C Input/Output is 5-12V DC 3-1.67V, and the PD20W USB Output is 5-12V DC 3-1.5A. The battery is built with non-recycled, grade A batteries that have a service life of at least 500 charging cycles. It complies with CE regulations, RoHS standards, and various safety requirements, including overcharge protection, complete discharge protection, and short circuit prevention. The power bank also features a constant charging transfer system to match the target device's capacity.