Dual USB 5V 1A 2.1A Mobile Power Bank 18650 PCB

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100% Brand new and high quality.
Disclaimer: Manufacturers under the premise of without changing the main function performance, has the right to change the individual devices and format arrangement, please mind silently.
Now are updated to the Second picture Blue Color Board . PLEASE BUYERS NOTE IT, thank you!

PCB size: 65 * 22 mm (approx.)
Power input: 5V 1A
USB output: 5V 1A / 5V 2.1A

LCD digital display panel using the steps described:
1. This product is only suitable for 3.7V 18650 battery flat.
2. Both sides of the board marked with + and - two batteries joints, pay attention: do not the battery positive and negative reversed, otherwise it will burn out the power supply board.
3. Connect the battery, the first to be charged for mobile power
· Displayed on the LCD panel IN charging for mobile power.
· LCD display on the battery is not necessarily correct, you can choose to have 100% of the charge, you can also use normal mobile power consumption in inaccurate display.
4. To the mobile power charging, take down the charging cable, mobile power for some time will automatically turn off the display and enters a dormant state.
5. Automatic sleep mode, double-click the button, lights will be lit, and then double-click will turn off lights. (And then double-click will function with SOS will start SOS, and then double-click will turn off lights)
6. Automatic sleep mode, click the button, the LCD backlight will light up blue lights and displays the percentage of battery charge current.
7. Automatic sleep mode, to charge the phone, you need a good phone with a data cable and even mobile power, click the button, move the power to charge the phone before.
8. After phone is fully charged, the power will move itself into hibernation.
Power switch:
Click, power on
Dual USB 5V 1A 2.1A Mobile Power Bank 18650 Battery Charger PCB For Phone DIY

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