Anmbest 2PCS Dual USB 5V 2.1A 1A Mobile Power Bank 18650 Battery Charger Protection PCB Power Module Accessories for Phone DIY New LED LCD Module Board

This is the mobile power module Accessories, 18650 Circuit board shell. Meet the individual needs of your DIY. Technical Specifications: 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/2.24"x1.10" Screen Size:27mm x 17mm Protection: Charging overcharge protection, over discharge protection, overcurrent protection With overcurrent buck function Static Power Consumption: less than 50uA Automatic Load Detection, Charging USB Insertion Detection 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. Operational Guidance: In the sleep mode, short press the button, click the button, the backlight turns on after 42 seconds, the LCD turns off; at the same time, the output is turned on, the output is turned off after 42 seconds without load, the button is pressed twice in succession, the illumination is on, and then the button is pressed twice in succession. When the light is off, press and hold the button for 2 seconds to shut down. ??? Attention: After installing the battery, you must plug in the 5V charger to activate it. Whether you are using a new battery or an old one all need to be discharged before use(charge your mobile phone), then turn it off charge it once gain. If it still cannot be solved, it is caused by large internal resistance and inconsistent capacity. Package includes: 2 x Mobile Power Bank 18650 Battery Charger PCB