Ultra Slim 1.5cm / 0.6inch height Built-in 3300mAh Li-Polymer battery Charge for Cell phone, GPS, etc Specification: ... / Black color, nice lookingCharge for Cell phone, GPS, etcBuilt-in 3300mAh Li-Polymer batteryLow-battery protection, Over-heated protection,Over-loaded ... per carton N.W.: 7.6kgs G.W.: 8.3kgs Best selling 3300mAh Portable Charger