Manufacturer Electric Coolant Pump OWP-BL43-440C for Battery Management System

Electric Coolant Pump OWP-BL43-440C - High-Performance Solution for BMS in Mobile Energy Storage

The Electric Coolant Pump OWP-BL43-440C is a precision-engineered thermal management solution tailored exclusively for Battery Management Systems (BMS) in mobile energy storage cabinets. Built with advanced brushless DC (BLDC) motor technology and magnetic force transmission, this single-stage centrifugal pump redefines reliability, efficiency, and safety in critical energy storage applications. Whether deployed in off-grid solar storage units, portable industrial power stations, or mobile renewable energy systems, it delivers consistent temperature regulation to protect battery cells, prevent thermal degradation, and extend the overall lifespan of energy storage systems.

Key Features & Competitive Advantages

Designed to thrive in the dynamic conditions of mobile energy storage, the OWP-BL43-440C integrates intelligent controls and robust protections to meet rigorous operational demands. Its constant flow control and PWM speed regulation capabilities enable real-time adaptation to fluctuating thermal loads, optimizing cooling efficiency while reducing energy consumption. The shield pump structure, powered by magnetic force transmission, eliminates leakage risks, ensuring safe and clean operation even in harsh environments.

Safety is embedded in every component: reverse polarity protection prevents damage from incorrect wiring, dry running protection safeguards against cavitation, and comprehensive over-voltage, over-current, overload, and over-temperature protections mitigate system failures. The driving electromagnet, encapsulated in corrosion-resistant nylon plastic, enhances durability and longevity. Thanks to professional electromagnetic theory design verification, the pump’s motor achieves 3-5% higher efficiency than industry competitors. Additionally, hydraulic performance is maximized through advanced simulation software, which optimizes the impeller-volute match for superior flow and lift capabilities.

Technical Specifications

Application: BMS in Mobile Energy Storage Cabinets

Mobile energy storage cabinets operate in diverse and challenging environments—from extreme temperatures to frequent transportation vibrations—demanding a cooling solution that is both rugged and adaptable. The OWP-BL43-440C is specifically optimized for BMS applications in these systems, where precise thermal management is critical to battery performance and safety.

During charging and discharging cycles, batteries generate significant heat that, if unregulated, can lead to thermal runaway, reduced capacity, or permanent damage. This electric coolant pump circulates cooling media efficiently through the battery pack, dissipating excess heat to maintain temperatures within the optimal range of -40℃ to +85℃. Its wide ambient temperature tolerance (-40℃ to +120℃) and IP68 waterproof rating ensure reliable operation in outdoor, high-humidity, or dusty conditions, making it ideal for off-grid and mobile scenarios.

The clamp quick-connect fitting facilitates easy installation and maintenance, reducing downtime for mobile storage operators. With a service life exceeding 20,000 hours and low noise operation (≤60dB), the OWP-BL43-440C delivers long-term reliability without compromising on performance. By ensuring stable battery temperatures, it enhances energy storage system efficiency, extends battery cycle life, and minimizes the risk of costly failures—making it the preferred choice for mobile energy storage solutions worldwide.

Performance Curve

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