ALLPOWERS: 5V 21W Portable Solar Panel Charger
Transformation efficiency: 23%-25% * Output 1: 5V2.4A (Max) (under direct strong sunlight) * Output: 2: 5V2.4A (Max)(under direct strong sunlight)* Compact Size: 300x 160 x 20mm/ 11.8 x 6.2 x 0.7inch * Opened Size: 640 x 300 x 10mm/ 25 x 11.8 x 0.35 inch * Weight: 0.60kg (No built-in battery)
