Description: 1. Protection Board Overview: The 3 Series 20A 18650 Lithium Battery Protection Board is a versatile component designed to safeguard and manage lithium-ion batteries in IoT projects. 2. Safety Features: It includes various safety features such as overcharge, overdischarge, short circuit, and reverse polarity protection to ensure battery longevity and safe operation. 3. Adjustable Charging Current: This protection board comes with adjustable charging current up to 20A, offering flexibility for different application requirements. 4. Balancing Charge Function: It incorporates a balancing charge function that evenly distributes the charge across all cells within a battery pack, improving overall battery performance and life cycle. 5. Compatibility: The protection board supports 18650 lithium-ion batteries (single or series connections) commonly used in IoT projects. 6. LED Indicators: It features LED indicators for different charging stages and error conditions, offering easy visual
| Specification | Details |
|---|---|
| Protection Type | Overcharge Over-discharge Short-circuit protection |
| Input/Output Voltage | 3S (11.1V) - 28.8V for input 10-26.4V for output |
| Current Rating | Up to 20A continuous |
| Cell Type | Supports 18650 lithium-ion cells |
| Balancing | Built-in balancing circuit for 3S series cells |
| Communication | Supports voltage monitoring fault alerts via serial UART interface |
| Operating Temperature | -10°C to +65°C |
| Size and Weight | Compact design dimensions not specified (typically around 70x40mm) |
| Power Consumption | Low power consumption for monitoring and control functions |
| Certifications | Compliant with UL/EN60950-1 CE RoHS regulations |
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