134N3P 5V Lithium Battery Charging & Protection Module with Boost Converter, USB & micro usb

⚡ 134N3P Lithium Battery Charging & Boost Module ⚡

The 134N3P is an all-in-one solution for charging 3.7V lithium batteries (single-cell, e.g., 18650) via Micro USB input. It integrates a protection circuit against overcharge, over-discharge, overcurrent, and short-circuit. It also features a boost converter that provides a stable 5V USB output, making it perfect for DIY power banks and portable electronics. An LED indicator shows charging and output status.

✅ Specifications:

• Model: 134N3P.
• Supported Battery: Single-cell 3.7V lithium battery (e.g., 18650).
• Charging Input: 5V via Micro USB.
• Charging Current: Up to 1A.
• Output Voltage: Fixed 5V via USB Type-A.
• Output Current: Up to 1A.
• Protection: Overcharge, over-discharge, overcurrent, short-circuit.
• LED Indicator: Shows charging and battery status.
• Module Size: ~36 × 18 × 6 mm.
• Approximate Weight: 8 g.

🔹 Key Features:

✔ Integrated charging, protection, and boost converter.

✔ Micro USB input and USB-A output.

✔ LED indicator for charging/battery status.

✔ Ideal for DIY power banks and portable energy projects.

✔ Built-in protection for battery safety and longer lifespan.

✔ Compact, lightweight design for easy integration.

📌 Common Applications:

• Safe charging of 3.7V lithium batteries.
• DIY portable power banks.
• Powering Arduino, ESP32, and other 5V modules from lithium cells.
• Portable IoT projects.
• Small DIY electronics and energy systems.