18650 Li-ion Battery Charger for Single Cell

Description

1. Compatibility: Designed to charge single 18650 lithium-ion battery cells. Some chargers may also support other battery types and sizes, but the primary focus is on 18650 cells.
2. Charging Method: Typically uses a microcontroller or other circuitry to control the charging process, including voltage regulation and safety features.
3. Input Voltage: Accepts power from various sources, such as a USB port, wall adapter, or car charger. The input voltage may vary but is usually in the range of 5V to 12V.
4. Charging Voltage: Provides a specific voltage (usually 4.2V) to charge the 18650 battery, ensuring a safe and complete charge.
5. Charging Current: Offers adjustable or fixed charging current settings, which determine the rate at which the battery charges. Common charging currents range from 0.5A to 2A, but some chargers may support higher or lower values.
6. Safety Features: Often includes safety features like overcharge protection, reverse polarity protection, short-circuit protection, and overheat protection to prevent damage to the battery and ensure safe charging.
7. Display: Some chargers have an LED or LCD display that provides information about the charging status, such as the current battery voltage or charge progress.
8. Indicator Lights: Typically equipped with indicator lights to signal when the battery is charging (red), fully charged (green), or in standby mode.
9. Size and Portability: Comes in various sizes, with some models designed for portability, making them convenient for travel or outdoor use.
10. Additional Features: Some models may include additional features like battery recovery functions for deeply discharged cells or battery testing capabilities.
11. Certifications: Many quality chargers are certified for safety standards, such as CE, RoHS, or UL.