Product Size: 11.5*8.1*2.5cm Package include: 1 x portable DIY 1. Compact and lightweight design for easy carrying. 2. DIY a power bank for your phone. 3. With LCD display show charging progress. 4. Please charge the batteries with USB or other chargers. 5. Compatible for 4 x 18650 Li-ion rechargeable batteries (not included). 6. Support voltage and over-current , short circuit . 7. Widely compatible for , , , , , MP4, , camera, etc.. Input Current: 2A Output Voltage: 5V Material: ABS 1.This is a power bank kit (including circuit board and ), not a finished product. You should 2 * 18650 batteries and install them by yourself. The is not included either. Battery Chipset: 18650 cell (not included) Input Voltage: 5V 2.DO NOT support soldering, you must have related knowledge and tools before buying it. Output Current: 1A + 2A Connector: 1 x Micro USB input, 2 x USB output Note: Accessory Box ! Battery NOT include! 1. Compact And Lightweight Design For Easy Carrying. 2. DIY A Power Bank For Your Phone. 3. With LCD Display Show Charging Progress. 4. Please Charge The Batteries With USB Or Other Chargers. 5. Compatible For 4 X 18650 Li-ion Rechargeable Batteries (not Included). 6. Support Voltage And Over-current , Short Circuit . 7. Widely Compatible For , , , , , MP4, , Camera, Etc.. Input Current: 2A 1.This Is A Power Bank Kit (including Circuit Board And ), Not A Finished Product. You Should 2 * 18650 Batteries And Install Them By Yourself. The Is Not Included Either. Battery Chipset: 18650 Cell (not Included) Input Voltage: 5V 2.DO NOT Support Soldering, You Must Have Related Knowledge And Tools Before Buying It.