Brand Name: liitokala Foldable Solar Panel: No Number of Panels: 1 Flexible Solar Panel: No Type: Solar Panel Nominal Capacity: 20000mAh Size: 135 x 72 x 15mm Model Number: 20000mAh Solar Power Bank is_customized: Yes Number of Cells: 2 Material: Monocrystalline Silicon Max. Power: 2.1A