Model Number: OT-PW-297-1 Brand Name: Outtos Key Specifications/Special Features: * With 2USB ports*With precise IC protector to safety avoid over-charging over-discharging and short circuit* Suitable for all kinds of mobile phones and digital products with 5V DC input Model numberOT-PW297 Battery type Li-Polymer grade: A++ Capacity 12,000mAh Input 5V/2A Output 5V/1A 5V/2.1A Size 81*161*22mm Shell material ABS Color black