🔋 Compact & Reliable: Mini Lithium Battery Charging Board Module
Upgrade your DIY electronics projects with this 1-20PCS Mini Lithium Battery Charging Board Module, designed specifically for 3.7V/4.2V 18650 lithium batteries. Featuring a modern Type-C interface, this charger ensures fast, safe, and convenient charging with built-in protection against overcharge, over-discharge, short circuits, and reverse polarity.
Whether you’re building portable power banks, solar chargers, or custom battery packs, this module delivers consistent performance in a tiny footprint — perfect for hobbyists, makers, and engineers.
✅ Key Features:
- Supports 1 to 20 pieces (flexible quantity for scaling projects)
- Compatible with 3.7V nominal / 4.2V full-charge 18650 Li-ion batteries
- USB Type-C input for modern, reversible connectivity
- Integrated protection circuit: over-voltage, over-current, short-circuit, and reverse polarity safeguards
- LED indicator shows charging status (red = charging, green = full)
- Compact PCB design saves space in enclosures
📸 Product Images
💰 Special Offer: Just $3.94!
Don’t miss this limited-time deal — get high-quality battery charging protection at an unbeatable price. While similar modules sell for $5–$8 elsewhere, you can secure this reliable solution for only $3.94. Ideal for bulk orders or stocking up on essential electronics components.
👉 产品详情
Why Buy Now? Trusted by thousands: Over 3,182 units sold recently — proven popularity and reliability.
? Plug-and-play simplicity: No soldering or complex setup needed — just connect your battery and Type-C cable.
? Versatile applications: Perfect for flashlights, power banks, Arduino/Raspberry Pi projects, drones, and more.
? Safe & durable: Industrial-grade components ensure long-term stability and safety.
Whether you’re a beginner exploring electronics or a seasoned maker optimizing your builds, this charging board is a smart, cost-effective addition to your toolkit.
🔘 Act now — click below to buy at just $3.94!
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