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Product Description
This is a charger module for 3.7V Li-Ion batteries like the popular 18650, it has a protection circuit to prevent overcharge, over discharge and over current conditions, and 2 LED lights to indicate the battery charge level.
Operation:
- Red light: batteries charging
- Green Light: batteries fully charged
Specifications:
- Input voltage: 5V
- Battery fully charged voltage: 4.2V
- Maximum output current: 2A
- dimensions: 20mm x 35mm
