Dual USB 5V 1A 2.1A Mobile Power Bank 18650 Battery Charger PCB Module Board




  • 100% brand new and high quality

  • Micro USB input: 5V 1A

  • USB Output: 5V 2.1A / 5V 1A(Dual USB interface)

  • Charging display: intelligent digital display

  • Batteries Type: liquid lithium-ion batteries (18650)

  • Product Size: 57mm x 28mm

  • Screen size: 27mm x 17mm



  • This is the mobile power module Accessories, 18650 Circuit board shell.

  • Meet the individual needs of your DIY, but you must understand basic electronic assembly.

  • Motherboard comes with protection function: Charging overcharge protection,

over-discharge protection, overcurrent protection.

  • Intelligent output device after charging full, automatically stop charging, to prevent mobile phones overcharge.

  • Output voltage and current stable, will not harm user devices.


Installation instructions:

  • The circuit board is connected to the battery negative B-, B + is the positive, do not connecting reversed,

connecting reversed will burn the board, the battery is connected in parallel welding, assembling battery.

  • Note that the insulation between the battery and the circuit board, battery lead not to touch the circuit board,

so as not to cause a short circuit.


Package included:

  • 1x PCBA Motherboard(Case is not included)