Ventev powercell 6000 - Two Port 6000mAh Portable Battery, Gray/Orange Charges handsets, tablets, and other USB devices at Max rate for increased charging efficiency Two ports: 2.4a port (ideal for tablets) and maximum rate charging as well as a 1a port (ideal for handsets) Recharge the powercell in 4-5 hours via a Micro USB cable Maximum charge Feature means iPads, tablets, and other high-powered devices charge at the fastest rate possible 6,000 mAh Lithium-Polymer battery