⚙️ Specifications:
- Model: Single Slot 3.7V Li-ion Battery Charger
- Input Voltage: AC 100–240V, 50/60Hz
- Output Voltage: DC 4.2V ± 0.05V
- Charging Current: 500mA – 1000mA (auto-regulated)
- Supported Battery Types: 18650, 16340, 14500, 26650 (Li-ion 3.7V)
- Charging Mode: Constant Current / Constant Voltage (CC/CV)
- Indicator Light: Red (Charging), Green (Fully Charged)
- Material: Fire-retardant ABS plastic housing
- Cable Type: Built-in power cord or USB (varies by version)
- Operating Temperature: 0°C – 40°C
- Dimensions: Approx. 110mm × 40mm × 35mm
- Weight: Approx. 60g
🌟 Key Features:
- 🔋 Compatible with multiple Li-ion battery sizes (18650, 16340, 14500, etc.)
- ⚙️ Smart charging with CC/CV technology for safety
- 💡 LED status indicator for easy monitoring
- 🔧 Overcharge, short-circuit, and overheating protection
- 💻 Ideal for Arduino, robotics, and DIY power projects
- 🚀 Compact, lightweight, and portable design
- 🔌 Supports universal AC input for convenience
💡 Applications:
- ✅ Charging 18650, 14500, and other 3.7V Li-ion cells
- ✅ Powering DIY electronics and robotics projects
- ✅ Arduino and ESP32 portable systems
- ✅ Flashlights, power banks, and wireless devices
- ✅ Educational, lab, and prototyping use
📦 Package Includes:
- 1 × Single Slot 3.7V Li-ion Battery Charger


