ECEEN Laptop Power Bank, 16,000mAh Laptop Battery Pack Charger for Laptops, Notebooks, Netbooks, Tablets and Smart Phones and More 16,000mAh capacity, Reliable lithium polymer battery inside, Safety and lightweight ensures quality. And more than 500 recharge cycles over the life The smart LCD display provides battery capacity and current voltage settings. With led torch. Short circuit, Overload and Over discharge protection design, It will automatically shut down when there is an overload to protect your device Wide range of laptop connectors (21 sets difference laptop connectors include), with adjustable 7 voltage levels (5V/8.4V/9V/12V/16V/19V21V) to charge most of the laptops Package include: 16,000mAh Battery pack *1PC, 12V/2A AC adapter*1PC, Laptop Connectors (21pcs)*1Set, Cell phone connectors*1PC, 1M Connect cable*1PC, User Manual*1PC