4S 2A 2pin lithium battery charger
Description
The 2S 4A Lithium Battery Charger Module is a small, high-efficiency device designed to charge 2-cell (2S) lithium-ion or LiPo battery packs. It boosts a low-voltage DC input commonly from a USB Type-C port to the higher voltage needed to charge 2S batteries.
Key Features
- USB Type-C Input: Supports convenient and up-to-date connection options.
- Boost Conversion: Effectively raises lower input voltages to 8.4V, ideal for charging 2S battery packs.
- Built-in Safety Features: Includes protective measures to ensure the safety of both the charger and battery.
- LED Status Lights: Display the current charging state in real time.
- Compact Size: Space-saving design fits well in a wide range of projects and setups.
- Input Voltage: DC 3–6V (optimal at 3.7V or 5V)
- Maximum Input Current: Up to 4A
- Output Charging Voltage: 8.4V, ideal for 2S Li-ion or LiPo batteries
- Charging Current: Around 2.2A
- Switching Frequency: Reaches up to 1MHz
- Charging Mode: Constant Current / Constant Voltage (CC/CV)
- LED Indicators:
- CR: Indicates charging is active
- OK: Signals full charge or constant voltage stage
- Protection Features:
- Overvoltage protection
- Undervoltage protection
- Short-circuit protection
- Over-discharge protection
- Temperature protection
- Operating Temperature Range: -40°C to +85°C
- Module Size: Approximately 39 × 18 × 6.3 mm
- Weight: About 5 grams