... 7V 12000/16000 Feature Mosquito repellent feature Material 1680D polyestBackpack Solar Bag for Laptop 2011 Lithium-ion Polymer 3.7V 12000 ... .10, It has Exclusive turn up to support commercially available connector.11, Built-in short circuit, over charge, over discharge, ... life is more than 500 times15, High-efficiency Poly-silicon solar panel, conversion rate " > 16%, normal life" >20 years.16, High- ...