The Gembird PB20-02 power bank offers a reliable solution to keep devices charged on the go. With a capacity of 20,000 mAh, this device ensures that smartphones and tablets remain powered through any busy day. The 3.7 V lithium polymer technology provides a consistent and safe source of energy, while the dual USB Type-A output connectors allow multiple devices to be charged simultaneously, saving valuable time. Designed with short circuit, overcharging, and overdischarging protection, users can feel assured of safe charging practices. Additionally, the PB20-02 comes with a micro-USB charge cable of 30 cm in length, making it convenient for on-the-go usage. The clear battery status indicator allows for easy monitoring of power levels, so users can conveniently plan ahead. With a recharge time of 10 hours, power can be efficiently restored in preparation for the next adventure.