INVENTO 5pcs 5V Step-Up Power Module Lithium ion Battery Charging Board Boost Converter Usb For DIY Power Bank circuit Charger

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Package Include: 5 x 5V Booster PCB; USB lithium battery charge and boost circuit board ideal for diy power banks with a maximum quiescent current of 8uA. Micro USB for charging of the 3. 7v lithium cell and USB connector with boost circuit for 5v output.
Input voltage : 3.7v to 5.5v; Charging current :1A (max); Output current :1A (max); Standby current : 8uA
Output voltage : 5V; Battery charged cut of voltage : 4.2v ±1%; Battery discharge cut off voltage : 2.9v ±1%
Discharging efficiency : 85% (input 3.7V output 5V/1A); Charging : red light will flash; Fully charged : red light on steady; Output : overvoltage protection, short circuit protection, overload protection
Package Include: 5 x 5V Booster PCB