DIY 18650 3.7V 5V Lithium Battery Step-Up Boost Lo Polymer Li-Ion Charger Multi-Cell 2S 3S 4S 5V Type-C To 8.4V 12.6V 16.8V

Features: 1: Various choices, customers can choose what they need according to different needs 2: Wide range of uses 3: High safety performance 4: Easy to understand and easy to operate 5: Battery overvoltage protection 6: With terminals, it is more convenient to use 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(1A Version);0.56A(2A Version);1.12A(4A Version) Battery overvoltage protection LED indicator: ''CR'' LED is charging status indicator ''OK'' LED is fully charged or in constant voltage mode; Working ambient temperature -40°C to +85°C Application: Notebook li-on lithium battery 18650 Mobile phone solar charging Audio equment Portable device Electric fan TYPE-C charging equment, etc. Package included: 1 x Polymer Li-Ion Charger

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