The DALY LiFePo4 23S 72V 40A Waterproof Battery Management System (BMS) is a protective device designed for managing the performance and safety of a 23-series LiFePO4 (Lithium Iron Phosphate) battery pack, typically used in electric vehicles (EVs), solar energy storage systems, and other high-power applications. Here’s an overview of its key features and functions:
Key Features:
- Voltage and Capacity Support:
- Series Configuration: Supports a 23S battery configuration, which means it is designed for a 72V system (23 series × 3.2V nominal cell voltage = 73.6V nominal, up to 84V when fully charged).
- Current Capacity: The BMS can handle up to 40A continuous current with an optional higher surge current capability (typically 100A or more for short bursts, depending on the specific model).
- Waterproof Design:
- The BMS is waterproof, with an IP67 or similar rating, meaning it is sealed to prevent the ingress of dust and can withstand immersion in water up to certain depths, ensuring durability and reliability in harsh environmental conditions.
- Battery Protection:
- The system provides essential battery protection functions such as:
- Over-voltage Protection: Ensures the battery is not charged beyond a safe voltage threshold.
- Under-voltage Protection: Prevents deep discharge that could damage the battery cells.
- Over-current Protection: Limits current flow to prevent overheating and damage to the battery.
- Over-temperature Protection: Monitors temperature and disconnects the load or charging if the temperature exceeds safe limits.
- Short-circuit Protection: Disables the system if a short-circuit is detected to prevent fire or battery failure.
- The system provides essential battery protection functions such as:
- Balancing Functions:
- The BMS includes cell balancing to ensure that each individual cell within the battery pack is charged equally, helping to maintain the overall performance and longevity of the battery.
- Monitoring and Communication:
- The system may come with communication features such as CAN Bus, UART, or RS485, allowing for easy monitoring and management of the battery pack’s status via a display or through a smartphone app.
- State of Charge (SOC) and State of Health (SOH) indicators may also be available for users to track the battery’s remaining capacity and overall condition.
- Temperature Sensors:
- The BMS typically includes multiple temperature sensors that monitor the temperature at different points within the battery pack. This feature ensures that the battery operates within a safe thermal range.
- Connector Types:
- The BMS may come with various connectors for communication (e.g., CAN Bus port), temperature sensors, and power connections to facilitate integration into the desired system.
Applications:
- Electric Vehicles (EVs): Perfect for electric motorcycles, e-bikes, scooters, and other electric transport systems.
- Energy Storage Systems: Can be used in solar energy storage systems, providing reliable protection for large battery banks.
- Marine and Off-Grid Systems: Due to its waterproof nature, it is suitable for use in marine applications and remote locations where rugged performance is needed.
Safety Considerations:
- The DALY BMS is engineered to prevent dangerous situations such as battery overheating, fire, and sudden failure, which could occur in high-performance battery systems without proper management.
- It plays a crucial role in maintaining the lifespan and efficiency of the LiFePO4 battery by ensuring that the battery operates within its safe electrical and thermal limits.
Summary:
The DALY LiFePo4 23S 72V 40A Waterproof BMS is an advanced and reliable Battery Management System designed for high-voltage LiFePO4 battery packs, providing essential protection, balancing, and communication features in a rugged, waterproof package. It ensures the safety, longevity, and optimal performance of battery-powered systems in demanding environments.
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