Color Black Compatible Models IPAD IPHONE MP4 PSP camera and other digital devices. Input Voltage 5 V Output Current USB 1: 1A; USB 2: 2A. A Output Voltage 5 V Brand TOMO Model V8-4 Quantity 1 Set Material ABS Shade Of Color Black Compatible Models OthersIPAD IPHONE PSP MP4 camera and so on. Compatible Type Universal Battery Type Li-ion battery Built-in Battery Model 18650 Built-in Battery Quantity 4 x 18650 rechargeable batteries not included. Voltage 4 x 3.7 V Capacity Range 10001mAh~15000mAh Nominal Capacity No mAh Battery Actual Capacity No mAh Output USB1: 5V/10A; USB2: 5V/2A. Features LCD Capacity Display Other Features Dual USB comes with one USB cable 4 x 3.7V 18650 batteries not included; Portable and energy saving. Packing List 1 x Power bank 1 x USB cable (20cm)