... repellent feature Material 1680D polyestBackpack Solar Bag for Laptop 2011 Lithium-ion Polymer 3.7V 12000/16000Feature Mosquito repellent featureMaterial 1680D ... and reliable in the world.7, Exclusive market up to 3V, 5V, 6V, 9V, 12V, 16, 19, 22 V, 24V ... variety of Notebook products.13, Use of high-energy polymer lithium battery, the working environment temperature -10 degree to +70 degree, high ...