Housing material: Plastic  Dimensions: 142x75x17mm  Battery Type: Square Aluminum  Additional Features: With LED Flashlight Solar Multi-output port U  Color: red / green / blue / black / yellow  Battery capacity: 10001 mAh (included) -12000 mAh (included)  Battery type: Lithium polymer -Battery  This battery charger Emergency Solar Power Bankis polymer used in batteries， performance is excellent， safe and practical， especially when you are traveling. The solar panel can make full use of solar energy， comfort and environmental protection.  Two output ports allow you to charge two devices at the same time or you can share your backup power with his friend， convenient and sweet.  Not only you can use solar panels to charge， but it can also charge the battery as other generally. pay attention to avoid being under the blazing sun for a long time.