The my Charge Peak 6000 Rechargeable Power Bank has 6000mAh of power that will meet your most demanding portable charging needs. The Peak adds 27 hours of talk time and can charge up to three devices at once. Built-in Micro-USB and Apple connectors - plus the on-board USB port for use with your own cable - will charge a variety of portable phones, tablets, and digital devices. The built-in USB charging cable lets you charge Peak from any USB port, or plug Peak"s fold-out prongs into a wall power outlet for ultra-fast recharging. You will know when your Peak is full via tone and voice notifications, in English, Spanish, French, and Portuguese.