QD 185-TY Portable Charger 18650 Li-on Battery Power Bank External Battery Pack, 3-Port 5V 9V 12V LED Display for Tablets, iPhone, Android Phones and Other DC Devices Max 20W Replaceable Battery Design. Use 1-5 flat top 18650 battery to become a high capacity DIY power bank. (Battery NOT included). Charge All Devices: 5V - 13V Different Voltage Setting, 2 x USB outputs (max 3.4A) + 1 x DC port (max 20W) to power all kinds devices. Versatile Charger: Work as 18650 battery charger as well as an external power bank. Built-in multiple protections against over-charging, over-discharge and auto-off. Informative LED monitor. Indicates voltage, current and battery remaining percentage, voltage settings Compact Size and Soft Touch Matte Surface: 5.1' x 3' x 0.8' size very easy to carry. Comes with 2 cables and English instruction.