3 Series 40A 18650 Lithium Battery Protection Board with Balance
The 3 Series 40A 18650 Lithium Battery Protection Board is designed for high-demand applications such as electric drills, sprayers, LED lights, and low power inverters. This board features auto recovery and is integrated with 10 low load resistance MOSFETs, providing robust performance and protection.
Key Features
Continuous Discharge Current: Supports up to 40A continuous discharge.
Balanced Current: Provides a balanced current of 100mA to ensure even charging of all cells.
Protection Functions: Offers overcharge, over-discharge, overcurrent, and short circuit protection.
Auto Recovery: Automatically recovers from protection states without manual intervention.
Integrated MOSFETs: Uses 10 low load resistance MOSFETs for efficient power handling.
Specifications
Nominal Voltage: Suitable for 3.6V or 3.7V lithium batteries, including 18650, 26650, and polymer lithium batteries.
Charging Voltage Range: 16.8V to 18.1V.
Continuous Charge Current: Up to 20A.
Starting Current: Suitable for starting currents below 80A.
Power Handling: Suitable for devices with power demands below 135W.
Dimensions: Approximately 46 x 60 x 3.4 mm, making it easy to install in compact spaces or directly on a battery pack.
Usage Notes
Cooling: Ensure adequate cooling to maintain performance and avoid overheating. If the cooling environment is poor, reduce the load current to prevent damage.
Installation: Compact size allows for easy integration into various applications, directly on battery bundles or in confined spaces.
Applications
Electric Drills
Sprayers
LED Lights
Low Power Inverters
Important Notes
Battery Compatibility: Suitable for 3.6V and 3.7V lithium batteries, including 18650, 26650, and polymer lithium batteries.
Overcharge and Overcurrent Protection: Ensures safe operation by preventing overcharging and excessive current draw.
Installation and Configuration
Wiring Diagram: Follow the wiring instructions carefully to ensure proper setup.
0V (B)
3.7V (B1)
7.4V (B2)
11.1V (B+)
Additional Warnings
Heating: If the battery heats up during use, it indicates that the battery may not be compatible. Continuing to use it in this state can cause damage.
Long-term Use: Do not use batteries that are not suitable for long periods, as this can lead to rapid battery damage.
This protection board is designed to manage and safeguard your 3S lithium battery packs effectively, providing reliable overcharge and overcurrent protection for various high-demand applications.
Package Includes:
1 x 3 Series 40A 18650 Lithium Battery Protection Board.
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