A 3.7V Li-ion smart battery charger is a device specifically designed to charge rechargeable lithium-ion batteries with a nominal voltage of 3.7 volts. These chargers are typically equipped with intelligent features to ensure safe and efficient charging, protecting the battery from overcharging, over-discharging, and other potential hazards.
Description:
- Input Voltage: Typically powered by a USB power adapter or other external power source.
- Output Voltage: 3.7V (nominal) with a constant current charging mode.
- Charging Current: Varies depending on the charger model and battery type, but commonly ranges from 500mA to 2A.
- Charging Time: The charging time depends on the battery’s capacity and the charger’s output current. Generally, it takes several hours to fully charge a typical Li-ion battery.
- Safety Features: Built-in protection circuits to prevent overcharging, over-discharging, short circuits, and overheating.
- LED Indicators: Visual indicators to show the charging status, such as a red light during charging and a green light when fully charged.
- Compatibility: Designed to work with various Li-ion battery types and sizes, including popular formats like 18650, 26650, and cylindrical cells.
Specifications:
- Input Voltage: 5V DC (USB)
- Output Voltage: 3.7V DC (constant voltage)
- Charging Current: 1A (adjustable)
- Charging Time: Approximately 4-6 hours for a 2000mAh battery
- Battery Types: Compatible with 3.7V Li-ion batteries (18650, 26650, etc.)
- Safety Features: Overcharge protection, over-discharge protection, short circuit protection, temperature protection
- LED Indicators: Red LED during charging, green LED when fully charged
- Dimensions: 85 x 55 x 25mm
- Weight: 50g
Additional Features (may vary depending on the model):
- Temperature sensing: Automatically adjusts charging current based on battery temperature.
- Battery capacity detection: Estimates the battery’s remaining capacity.
- USB output: Some chargers can also function as power banks, providing a USB output for charging other devices.
Note: It is essential to use a compatible charger specifically designed for 3.7V Li-ion batteries to ensure safe and optimal charging performance. Incorrect charging can lead to battery damage or safety hazards.
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