5V21W Bulit-in 10000mAh battery Advantage: One of Leading Solar Panel Charging Brands * Faster and safer charging with our advanced technologies * Professional and million+ happy users Built-in 10000mAh Battery The first and the only solar panel brand with built in battery on AliExpress. Store energy and supply power to your device whenever, most solar panels can not be used at night in market. Exclusive Charge Technologies Dual USB-A & one USB-C fast charging, its fastest possible current up to 3Amps per USB port and 3.5Amps in total; 2A input, recharged by solar or wall charger Exclusive Solar Battery Controller 2.0 Updated with ultra thin solar controller 2.0, automatically identify the solar intensity to give you the related smile signal. Simple and Advanced. Advanced Safety FCC, RoHS, CE certified; Short circuit, surge protection technology and high temperature treatment keep you and your devices safe. Specification: --Built-in battery: Li-polymer 10000mAh --Charging time: about 6-8 hours (70000lux light conditions) --Solar Panel Peak Power: 21W --Solar Conversion Rate: 23.5% --Outputs: USB: 5V3.0A(Max.) x 2 ; Type-C: 5V3.0A(Max.) --Folded Size: 340mm x 180mm x 20mm/ 13.38x7.0x0.79inch --Unfolded Size: 580mm x 180mm x 10mm/ 22.8x7.0x0.39inch --Net Weight: 695g/24.51oz Package Contents --1x 21W Built-in Battery Solar Charger, --1x Micro USB Cable --2x Metal Hooks(Carabiners) --1x Instruction Manual --1x Retail Box