Lcd Display Dual Usb 5v 1a 2.1a Power Bank 74HC47 4-Bit BCD to 7 Segment Decoder Driver The name 20700 comes from

The name 20700 comes from the dimensions of the battery: 20 mm x 70 mm123

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Lcd Display Dual Usb 5v 1a 2.1a Power Bank 74HC47 4-Bit BCD to 7 Segment Decoder Driver The name 20700 comes fromThis is the mobile power bank module Accessories for the 18650 Circuit board shell. Meet the individual needs of your DIY, but you must understand basic electronic assembly. Features Of LCD Display Dual USB 5V 1A 2. 1A Power Bank: Over Charging 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,