Type-C 5V Step-Up Lithium Battery Charging Protection Board | USB-C Li-ion Charger with Boost Converter & Protection Circuit

Technical Specifications

• Input Port: USB Type-C
• Input Voltage: 5V DC
• Battery Type Supported: 3.7V Lithium-ion / Li-Po Battery
• Charging Voltage: 4.2V ±1%
• Output Voltage: 5V (Step-Up / Boost Output)
• Output Current: Up to 2A (depending on battery & load)
• Converter Type: DC-DC Step-Up (Boost)
• Protection Features:
  • Over-charge protection
  • Over-discharge protection
  • Over-current protection
  • Short-circuit protection
• Indicator LEDs: Charging / Full charge status
• PCB Type: Compact SMD board
• Efficiency: Up to 90%
• Applications: DIY power bank, portable chargers, Arduino & IoT power supply, battery-powered devices

Technical Description

The Type-C 5V Step-Up Lithium Battery Charging Protection Board is a compact and efficient power management module designed for charging and boosting 3.7V lithium-ion batteries. Featuring a modern USB Type-C input, this board charges the battery safely and boosts the output to a stable 5V, making it ideal for DIY power banks and portable electronics.

Equipped with built-in battery protection circuitry, it safeguards against over-charging, over-discharging, over-current, and short-circuit conditions. The high-efficiency DC-DC boost converter ensures reliable performance while minimizing power loss.

Perfect for electronics hobbyists, students, and makers, this module is widely used in DIY power banks, Arduino/ESP32 projects, IoT devices, emergency chargers, and portable USB power solutions.