GKM470-280B Solar Phone Charger Monocrystalline Silicon Solar Charging Panel 25W USB/DC Output 【High-Efficiency Solar Panel】 Features a high-performance monocrystalline silicon solar panel with 25W power output for efficient charging. 【Versatile Charging】 Supports fast charging for mobile phones,power banks,car batteries,and other devices. 【Dual Output Ports】 Equipped with USB (5V 2A Max) and DC (18V 1.38A Max) output ports for various charging needs. 【Intelligent Charging】 Integrated smart charging chip ensures optimal and safe charging for connected devices. 【Expandable Power】 Multiple solar panels can be connected in parallel via DC5521 port to increase overall output power. Specifications: Solar Cell Material: Monocrystalline silicon Power Output: 25W USB Output: 5V 2A Max DC Output: 18V 1.38A Max Solar Panel Working Voltage: 18V Solar Panel Open Circuit Voltage: 21.6V Encapsulation Material: PET+EVA+TPT Solar Panel Dimensions: 470 x 280 x 3mm Package included: 1 x Flexible Solar Panel 1 x 1.5m DC5521 Cable 1 x Car Charger Cable 1 x Alligator Clip 2 x Buckles 4 x Suction Cups