Dual USB 5V 1A 2.1A Mobile Power Bank 18650 Battery Charger PCB LCD Display DIY
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Dual USB 5V 1A 2.1A Mobile Power Bank 18650 Battery Charger PCB LCD Display DIY

$4.35
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Features: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.Micro USB input: 5V 1ASpecifications:Micro USB input: 5V 1AUSB Output: 5V 2.1A / 5V 1A(Dual USB interface)Charging display: intelligent digital displayBatteries Type: liquid lithium-ion batteries (18650)Product Size: 57mm x 28mmScreen size:27mm x 17mmInstallation 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 ba

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