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18650 Battery Charge Shield Expansion Board
18650 Battery Charge Shield Expansion Board
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18650 Battery Charge Shield Expansion Board – Type-C Charging & 5V Boost Converter for DIY Electronics
The 18650 Battery Charge Shield Expansion Board is your go-to solution for powering microcontrollers, sensors, and other electronics using 18650 lithium-ion batteries. With an upgraded USB Type-C charging port, this board ensures faster and more convenient charging. Designed for seamless use with Arduino, ESP32, Raspberry Pi, and IoT projects, it features a TP4056 charging circuit and a boost converter to deliver a stable 5V output. Whether you're building robotics, wearables, or other battery-powered devices, this expansion board ensures long-lasting and reliable power.
Key Features:
- Supports 18650 Lithium-ion Batteries: Works with single 3.7V 18650 cells (battery not included).
- USB Type-C Charging Port: Fast and easy charging with modern Type-C cables.
- Integrated TP4056 Charging Circuit: Safe battery charging with overcharge, over-discharge, and short-circuit protection.
- 5V Boost Converter: Steps up the 3.7V battery to a stable 5V output for powering electronics.
- Battery Protection Features: Overcharge, over-discharge, and short-circuit safety mechanisms.
- LED Indicators: Show charging and operational status at a glance.
Technical Specifications:
- Input Voltage: 4.5V - 5.5V via USB Type-C port
- Battery Support: 3.7V 18650 lithium-ion battery
- Output Voltage: 5V DC (boosted from 3.7V)
- Charge Current: 1A maximum
- Overcharge Protection Threshold: 4.2V ± 1%
- Over-discharge Protection Threshold: 2.5V ± 1%
Why Choose This 18650 Battery Charge Shield Expansion Board?
Enjoy the benefits of USB Type-C fast charging combined with efficient 5V power management. This expansion board is perfect for IoT devices, portable electronics, and robotics projects, allowing you to create reliable, battery-powered systems with minimal downtime. With built-in safety features and a consistent 5V output, you can confidently use it for everything from Arduino-based prototypes to sensor-driven devices.
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