Vender dow 2-USB 5V 2.1A Mobile Power Bank 18650 Battery Charger Board Digital LCD Module al mejor precio

#2-USB #5V #2.1A #Mobile #Power #Bank #18650 #Battery #Charger #Board #Digital #LCD #Module 2-USB 5V 2.1A Mobile Power Bank 18650 Battery Charger Board Digital LCD Module Description: Features: 100% brand new and high quality. This is the mobile power module accessories, 18650 Circuit board. 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. Specifications: Material: Electronic components Color: shown as pictures Size: 63×26×13mm/2.48×1.02×0.51in (Approx.) Screen size: 27mm x 17mm 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) Quantity: 1 PC Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: (No retail package) 1 X 2-Port USB Power Bank Charger Module Circuit Board