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Product Overview
Upgrade your battery charging setup with the Mini Type-C 3.7V 4.2V 18650 Lithium Battery Charger Board. Designed for high efficiency and safety, this compact module offers constant current/voltage charging, built‑in protection, and easy integration with Type‑C power sources. Ideal for DIY projects, portable electronics, and professional prototyping.
Key Highlights
- ⚡ Constant Current & Voltage: Precise 3.7 V/4.2 V charging for optimal Li‑ion performance.
- 🔌 Type‑C Compatibility: Supports 5 V/3.0 A input via USB‑C for fast, convenient charging.
- 🛡️ Built‑in Protection: Over‑current, over‑temperature, and short‑circuit safeguards.
- 🔋 Versatile Capacity: Supports 1‑20 individual 18650 cells in parallel or series.
- 📏 Compact Design: 30 mm × 20 mm footprint fits tight spaces in handheld devices.
- 🌡️ Low Heat Generation: Efficient power conversion keeps module cool during use.
- ⚙️ Easy Integration: 2.54 mm pitch headers for quick PCB mounting.
Specifications
- Input Voltage: 4.5 V–5.5 V (USB‑C)
- Output Voltage: 4.2 V (fixed)
- Charging Current: 0.5 A–2.0 A (adjustable via external resistor)
- Protection: Over‑current, over‑temperature, short‑circuit, under‑voltage lockout
- Dimensions: 30 mm × 20 mm × 5 mm
- Weight: 12 g
- Operating Temperature: –20 °C to 60 °C
Applications
This charger board is perfect for:
- Portable power banks and battery packs
- DIY robotics and electronics projects
- Prototyping Li‑ion battery management systems
- Custom handheld devices and wearables
- Educational kits for electronics enthusiasts
Why Choose Our Mini Type‑C Charger?
With a blend of safety, efficiency, and compactness, this module delivers reliable charging for 18650 Li‑ion cells. Its Type‑C input ensures compatibility with modern power sources, while the built‑in protection guarantees peace of mind. Whether you’re a hobbyist or a professional engineer, this charger board is engineered to meet your needs.
Price: Original price was: $ 2.55.$ 1.19Current price is: $ 1.19.