This product is a solar panel charger made of monocrystalline silicon materials. It has scientific design and practical functions. It can help your other devices to carry out emergency charging and solve your problems easily. Features - Color: As shown. - Material: Monocrystalline silicon. - Size: About 43.50X20.00X0.25cm/17.10X7.86X0.10inch. - Maximum power: 2 x 10 W. - Open circuit voltage: 20V. - Maximum power voltage: 18V. - Short-circuit current: 1.6A. - Maximum power current: 1A. - Output: USB 5V DC5521 18V. - Preferred materials, , safe, durable and practical. - Light weight, easy to carry, strong applicability, professional and practical. - High performance, professional conversion, can effectively output, help you easily charge. - This product can be given as a gift to your friends and family. - You can buy this efficient and practical outdoor emergency charging device at an . Package list: 2 x solar panels 1 x controller 1 -mounted charger 1 x battery clip 1 in 1 power cord 1 x 30cm male plug cable 1 x 1.5m male plug cable 2 x carabiner 1 x manual