Product Description:
The Ultra-Mini Lithium Battery Charging Protection Module is an ultra-compact yet powerful solution for charging and protecting 3.7V lithium batteries such as 18650 cells. Featuring a Type-C input interface, it delivers a precise 4.2V charging voltage (±1%) with a constant current/constant voltage charging mode, ensuring safe and efficient charging while preventing overheating.
With a 600mA charging current and an automatic recharge function, this module keeps your batteries in optimal condition and extends their service life. Thanks to its tiny 10×7.5×5.2mm form factor, it is perfect for embedding into smart wearables, micro drones, IoT devices, and other compact electronics.
Key Features:
Ultra-Compact Design: Just 10×7.5×5.2mm, easily fits into small devices.
Type-C Input: Modern, reversible USB charging port.
Charging Mode: Constant current / constant voltage with thermal regulation.
Precise Charging: 4.2V output with ±1% accuracy.
Trickle Charging: Threshold at 2.8V for recovering low-power batteries.
Safe & Reliable: Protects against overheating and ensures long battery life.
Automatic Recharging: Keeps the battery at its best state without user intervention.
Battery Monitoring Support: Output for charging current and battery level monitoring.
Technical Specifications:
Product Name: Mini Lithium Battery Charging Pad Module
Charging Current: 600mA
Charging Voltage: 4.2V DC (±1%)
Trickle Charge Threshold: 2.8V
Dimensions: 10 × 7.5 × 5.2 mm
Battery Type: 3.7V Lithium (e.g., 18650, Li-ion, Li-Po)
Input Interface: Type-C USB
Applications:
Smart wearables
Micro drones
IoT devices and sensors
Compact electronics and DIY projects
Electric mosquito swatters
Embedded battery-powered gadgets
Package Includes:
