Polymer Type C Protection Board Li-Ion Charger Module Lithium Battery Step-Up Boost Boost Module

Label:Yes Weight: 5g Material:PCB Dimensions 39mm x 18mm x 6.3mm Packing:1PC lithium ion battery charger Color:Green

Features: 1: Various choices, customers choose what they need according to different needs 2: Wide range of applications 3: High safety performance 4: Simple and easy to understand, easy to operate 5: Battery overvoltage protection Parameter Description: 2-Cell(2S) 8.4V version: Input voltage: DC 3-6V (recommended DC 3.7V 5V) Input current: 1A (1A Version); 2A (2A Version); 4A (4A Version) Charging voltage: 8.4V Charging current: 0.55A(1A Version);1.1A(2A Version);2.2A(4A Version) 3-Cell(3S) 12.6V Version: Input voltage: DC 3-6V (recommended DC 3.7V 5V) Input current: 1A (1A version); 2A (2A version); 4A (4A version) Charging voltage: 12.6V Charging current: 0.37A (1A version); 0.74A (2A version); 1.48A (4A version) 4-Cell(4S) 16.8V version: Input voltage: DC 3-6V (recommended DC 3.7V 5V) Input current: 1A (1A version); 2A (2A version); 4A (4A version) Charging voltage: 16.8V Charging current: 0.28A (version 1A); 0.56A (version 2A); 1.12A (version 4A) Switching frequency up to 1MHz Quasi-CV mode compensates for battery internal resistance voltage loss and trace resistance battery automatic recharge Protection voltage below input and battery short circuit Good adaptability to input power, limited drive capability Battery overvoltage protection LED indicator: "CR" LED is the charging status indicator "OK" LED fully charged or constant voltage mode; Working ambient temperature -40°C to +85°C