About this item

🔋 18650 Battery Holder with USB-C Charger & 5V 3A Boost

🔌 All-in-One 18650 Battery Power Module with USB-C Charging and Boost Output

The 18650 Battery Holder with USB-C Charger & 5V 3A Boost is a versatile power solution that holds a single 18650 lithium-ion battery, charges it via USB-C, and boosts the output to a stable 5V at up to 3A. Ideal for DIY electronics, portable projects, and battery-powered devices requiring high current 5V supply.

🛡️ Built-In Protections

• 🔋 Overcharge and Overdischarge Protection
• ⚡ Short-Circuit Protection
• 🌡️ Thermal Protection
• 🔄 Automatic Boost Converter Switching

📦 Compact & Practical

Combining battery holder, charger, and boost converter in one compact module, it simplifies battery management and power delivery while using modern USB-C connectivity.

🛠️ Applications

• 🔌 Power bank and portable chargers
• 📱 DIY battery-powered electronics
• 🔋 High current 5V supply for microcontrollers (Arduino, ESP32, Raspberry Pi)
• 🚶 Portable IoT and sensor projects
• 📸 Small cameras and LED lighting systems

⚠️ Notes

• 🔋 Designed for a single 18650 Li-ion battery only.
• ❗ Use batteries with built-in protection circuits recommended.
• 🔧 Do not operate without a battery installed.
• 🔥 Ensure adequate cooling if running near max current.

✨ Key Features

• 🔌 Input: USB Type-C 5V charging
• 🔋 Battery: 1x 18650 Li-ion (3.7V nominal)
• ⚡ Output: 5V DC Boost, up to 3A
• 🔄 Integrated charging and boost converter
• 📦 Board size: Approx. 50mm x 30mm
• 🔒 Multiple safety protections included