Dual USB 5V 2.1A Power Bank Module with Voltage Display and LED AA312

This is the Mobile Power Boost DIY 18650 Lithium Battery Digital Dual USB mobile power module Accessories, 18650 Circuit board shell.
Meet the individual needs of your DIY, but you must understand basic electronic assembly. The motherboard comes with protection 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.

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

• 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
• Weight: 13gm

Note:- Minimum 4Pcs of 18650 Lithium ion cells are required to make it work.

Note: All the cells that are connected to the power bank module should be in a Parallel, please don’t connect the cells in Series as this will damage the power back module and cause a heating issue in it and eventually the power bank module will stop working.