🔋 Compact Power, Maximum Protection
Meet the Mini Type-C 3.7V 4.2V 18650 Lithium Battery Charger Board — a tiny but mighty charging solution designed for DIY enthusiasts, electronics hobbyists, and portable power builders. Despite its small footprint, this module delivers professional-grade charging performance with constant current (CC) and constant voltage (CV) control, ensuring your 18650 batteries are charged safely and efficiently every time.
⚙️ Key Features
- Universal Type-C Input: Plug in any standard USB-C cable for convenient charging from power banks, wall adapters, or laptops.
- Precise Charging Control: Automatically switches between CC and CV modes to prevent overcharging and extend battery life.
- Built-in Protection: Includes over-voltage, over-current, and reverse polarity safeguards for peace of mind.
- LED Status Indicators: Clear visual feedback shows charging (red) and full (green) states at a glance.
- Ultra-Compact Design: Fits easily into tight spaces — perfect for flashlights, power banks, vaping devices, and custom electronics projects.
📸 See It in Action






💰 Unbeatable Value
Yes, you read that right — this high-performance charger module is available for just $0.46. That’s less than the cost of a coffee, yet it delivers reliable, safe charging that protects your investment in 18650 batteries. With over 1,699 units sold, it’s a proven favorite among makers and tinkerers worldwide.
🛒 Ready to Power Up Your Projects?
Don’t miss this incredible deal. Whether you’re building a portable charger, repairing a device, or experimenting with battery circuits, this module is an essential, affordable tool.
Upgrade your charging game today — small size, big performance, unbeatable price.
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