🔋 5V Step-Up Charging Protection Module (134N3P) — Smart Boost & Safe Charging in One
Power up your portable projects the smart way with the 5V Step-Up Charging Protection 134N3P Module. This compact all-in-one board combines Li-ion battery charging, protection circuitry, and 5V boost conversion into a single reliable solution — perfect for DIY power banks, IoT devices, Arduino projects, and backup power systems.
Small board. Big capability.
✨ Creative Product Description
Why juggle multiple modules when one does it all?
The 134N3P 5V Step-Up Charging Protection Module is engineered to safely charge a single 3.7V lithium battery while boosting its voltage to a stable 5V output. It protects your battery from overcharge, over-discharge, and short circuits — keeping both your device and battery safe.
Whether you're building a portable gadget, emergency backup supply, or a custom USB power bank, this module delivers stable output and reliable protection in a compact footprint.
Charge it. Protect it. Boost it.
⚙️ Technical Specifications
Model: 134N3P
Function: Charging + Protection + 5V Boost Converter
Input Voltage: 5V DC (Micro USB or Type-C depending on version)
Battery Type: Single 3.7V Li-ion / 18650 battery
Charge Current: Up to 1A (typical)
Output Voltage: 5V DC (Boosted Output)
Output Current: Up to 1A (typical, depends on battery & load)
Conversion Efficiency: Up to 85–90%
Protection Features:
Overcharge protection
Over-discharge protection
Overcurrent protection
Short-circuit protection
Indicator LEDs: Charging & Full status
Operating Temperature: -10°C to +60°C
Specifications may slightly vary depending on production batch.
🌟 Key Features
✔️ All-in-one design (Charge + Protect + Boost)
✔️ Converts 3.7V battery to stable 5V output
✔️ Built-in safety protection circuit
✔️ Compact and lightweight
✔️ Ideal for portable DIY projects
✔️ Simple and easy to wire
🛠️ Common Applications
DIY power bank projects
Arduino & ESP32 portable systems
IoT devices
Emergency USB power supply
Solar-powered battery systems
Small robotics projects
⚡ Why Choose the 134N3P Module?
Because power management matters. This module simplifies your design while keeping your battery safe and your output stable. Perfect for makers who want reliability without complexity.