... polymer battery Capacity1700mAH or 5000mAH Color Any color is acceptable Solar Panel1W ,2W ,3W Outputwith USB wire,8 adapters Volume30- ... / laptop and other electronic products.9. High-efficiency: Monocrystalline silicon solar panel, conversion rate > 15%, up to 24%, normal life >15 ... : if the product was damaged by yourself or was inappropriately used, there is no warranty. thank you. If you have ...