USB 4*18650 Power Bank Battery Box for Mobile Phone Charger DIY Shell Case 18650 Battery Storage Box Holder 4 Slot

Product features:

1. Use high-quality materials for durability

2. Small size

3. Exquisite appearance

4. Easy to use

5. Wide range of use

Product specifications and operating instructions:

1. The two uSB interfaces are the output ports of 5V-1A and 5V-2A, which meet the needs of charging different specifications of products at the same time.

2. The micro interface is for charging the power supply, 5V-1A

3. The power motherboard is designed with a button switch – "one button control": Click the button to display the power level, with four LED power indicator lights representing 25%, 50%, 75%, and 100%, respectively. Press and hold the button for more than 3 seconds to turn on the power LED light. Press and hold for 3 seconds to turn off the LED light.

4. Double click the button to turn off the output, turn off the indicator light, and cut off the current output.

Attention: Pay attention to the positive and negative stages. If installed in reverse, it is necessary to burn it. If the battery is tested and found to be OK before installing the casing, it can easily damage the casing if disassembled after installation

Package List:

Mobile power supply nesting package * 1