Specification:Built-in battery Li-polymer 6000mAhCharging time about 6-8 hours (70000lux light conditions)Solar Panel Peak Power 15WSolar Conversion Rate 23.5%USB Output 5V3.0A(Max.) x 2 Type-C Output 5V3.0A(Max.)Folded Size 27 x 16 x 2cm/ 10.6 x 6.3 x 0.79inchUnfolded Size 63 x 27 x 1cm/ 24.8 x 10..