1-20PCS Mini Lithium Battery Charging Board Module 3.7V 4.2V 18650 Lithium Battery Charger Protection Board Type-C Interface

Ultra-Compact Design: This charging board is incredibly small and lightweight. Its compact size makes it easy to embed into tight spaces, such as smart wearables and micro-drones, without adding bulk.
Constant Current/Constant Voltage Charging: This charging board utilizes a constant current/constant voltage (CC/CV) charging mode to ensure maximum charging rate while preventing overheating. This mode helps maintain optimal temperature and prolong battery life.
Precise Charge Voltage: This charging board provides a precise charge voltage of 4.2V (±1%), ensuring safe and efficient charging. This accuracy helps protect your battery and extend its overall lifespan.
Trickle Charge for Low-Charge Batteries: This charging board has a trickle charge threshold of 2.8V, effectively restoring the health of low-charge batteries. It ensures that even partially discharged batteries can be charged safely and efficiently.
Thermal Regulation: The charging board features thermal regulation to prevent overheating during charging.
Current Monitoring: A current monitoring output allows you to track charging progress and ensure optimal power delivery. Automatic Charging: The automatic charging feature ensures your battery is always in top condition and ready for use.
Package Includes: One or three mini Type-C 18650 lithium battery charging boards. Each charging board is carefully packaged to ensure it arrives intact.
Ideal Uses: Users of smart wearables, micro-drones, and other compact electronic devices who require a reliable and efficient 18650 lithium battery charging solution. This practical and space-saving mini charging board keeps your devices charged and ready for use.

Specifications
Dimensions: 1*0.7*0.5cm
Material: PCBA
Charging Current: 600mA
Charging Voltage: DC 4.2V (±1% accuracy)
Trickle Charge Threshold: 2.8V
Charging Port: USB Type-C
Package Includes: 1/5/10/20*Li-ion Battery Charging Board, 3*Li-ion Battery Charging Boards

Material: High-quality PCBA
Charging Current: 600mA for efficient power delivery
Charging Voltage: Accurate DC 4.2V (±1% accuracy)
Trickle Charge Threshold: Automatic 2.8V to revive low-charge batteries
Charging Port: Versatile USB Type-C connection
Package Includes: Choose from 1, 5, 10, or 20 mini Type-C 18650 lithium battery charging boards

|Mini Battery Charger|
### Compact and Versatile Design
The Mini Type-C 3.7V 4.2V 18650 Lithium Battery Charger Board is an ultra-compact powerhouse designed for a wide range of applications. Its miniature form factor, with dimensions of just 1*0.7*0.5cm, makes it an ideal solution for smart wearables, micro-drones, and other portable electronic devices where space is at a premium. The board's lightweight construction ensures that it can be easily embedded into tight spaces without adding unnecessary bulk to your device.
### Advanced Charging Capabilities
This mini battery charging module utilizes a cutting-edge constant current (CC) and constant voltage (CV) charging mode, which guarantees a stable and efficient charging process. The precise charge voltage of 4.2V (±1% accuracy) safeguards your battery's integrity and prolongs its lifespan. Moreover, the board's intelligent thermal regulation prevents overheating during charging, ensuring a safe and reliable charging experience. The automatic charging feature is an added convenience, allowing your device to be always ready for use.
### Easy Integration and Monitoring
The mini battery charging board is designed for easy integration with your electronic devices. It comes with a USB Type-C charging port, making it compatible with a wide range of charging sources. The current monitoring output enables you to keep track of charging progress, ensuring optimal power delivery. Whether you're a DIY enthusiast or a professional, this module is an ideal choice for those requiring a reliable and efficient 18650 lithium battery charging solution. With its versatility and superior performance, the Mini Type-C 3.7V 4.2V 18650 Lithium Battery Charger Board is the go-to accessory for maintaining your devices' peak performance.