Mini Type-C 3.7V 4.2V 18650 Lithium Battery Charger Board Charging Power Protection Module Constant Current Constant Voltage

Product Overview:

This compact charger board is designed specifically for 18650 lithium battery cells, utilizing precise constant current constant voltage charging technology. Its ultra-small size makes it ideal for integration into compact electronic devices such as smart wearables and micro drones. The module ensures safe, efficient charging with features to protect battery health and extend service life.

Key Features and Benefits:

• Ultra-compact design allows easy embedding in small-scale devices.
• Constant current constant voltage charging ensures optimal charging rate while minimizing overheating risks.
• Automatic recharging function maintains battery condition by preventing deep discharge.
• High precision charging voltage of 4.2V (±1%) enhances battery safety and longevity.
• Trickle charging threshold set at 2.8V protects low-voltage cells and revitalizes battery health.

Technical Specifications:

• Charging current: 600mA
• Charging voltage: DC 4.2V with ±1% accuracy
• Trickle charging threshold: 2.8V
• Dimensions: 10 x 7.5 x 5.2 mm

Additional Functional Features:

• Thermal regulation maintains safe operating temperatures during charging.
• Charging current monitoring output supports real-time power tracking.
• Designed for reliable and consistent lithium battery charging performance.