Sandberg Solar 4-panel Powerbank 25000 will ensure that none of your devices lack energy — this powerbank offers up to 10 cycles of charging a normal smartphone. In the absence of access to the socket, powerbank can be quickly charged using a large, folding solar panel, which consists of 4 smaller solar panels. From now on, your devices will never run out of energy. Powerbank is equipped with 2 USB-A connectors and 1 USB-C PD 18 W connector for fast charging. A MicroUSB charging adapter is included in the kit. Powerbank can be attached to a tent or backpack using the included carabiner to charge it using solar energy. The solar panel may be fastened or detached if necessary. It's an ideal travel charger that works during family holidays, hiking or other adventures. 5 years