The box Portable Tablet charger is capable of charging a smartphone up to four times and a can provide up to a full charge to a tablet. With dual USB ports you can charge two USB powered devices simultaneously. Thanks to the intelligent charge circuit, the charger automatically identifies the correct power level for the connected USB devices providing both a safe and efficient charge (1A-2.4A). Thanks to the Lithium Polymer battery, the box Portable Tablet charger is both incredibly slimand lightweight, perfect for use on the go. Compatible with Suitable for all USB powered devices including Smartphones, Tablets, Digital Cameras, Gaming Devices, GPS and many more. Handsets. Cable length 1.5m.