Solar laptop charger Solar rolls which are poly crystalline solar cells compatible with nearly all portable electronic devices like laptops, video recorders and cell phones. The solar roll 14 cells are made up of waterproof batteries which weigh only 17 ounces and deliver a maximum power of 14 watts. The solar roll 9 produces output of 9 watts and is suitable for most cameras. The smallest solar roll weighs just 6.4 ounces and is suitable for cell phones and similar products. These cells can be connected together according to their output.
