Features:

• 6*18650 Power Bank Case 18650*6 Battery Storage Box Dual USB Mobile Phone Charge DIY Shell
• Input: Micro USB 5V-1A 
• Output: USB 5V-2.0A  ,5V-1.0A- New fast dual output intelligent control system, can put 6 18650 batteries
• The power supply board is designed with a key switch - "one key control": click the key, 
• you can display the power level, there are four LED power indicator lights, representing 25%, 50%, 75%, 100% respectively. 
• Press and hold the button for more than 3 seconds, the power led light is on, and long press for 3 seconds, the led light is off.
• Double-click the button to turn off the output, the indicator light is off, and the current output is cut off.
• Battery type: 18650 battery (flat, not flashlight-specific 18650 battery)