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Battery Thermal Management System For New Energy Vehicles
A liquid-cooled thermal management unit that keeps new energy vehicle battery packs within -20°C to 50°C — with automatic switching between cooling, heating, and self-circulation modes based on real-time BMS feedback.
Description
If you're looking for the battery thermal management system for new energy vehicles, welcome to wholesale the product from our factory. As one of the leading manufacturers and suppliers in China, we will offer you the best service and fast delivery. Now, check the quotation with our seller.
Products Description
The Battery Thermal Management System for New Energy Vehicles is a liquid-cooled thermal control unit engineered to keep water-cooled battery packs operating within their optimal temperature range. By managing the coolant temperature that flows through the battery pack, the system protects battery performance, extends service life, and helps maintain reliable driving range - whether the vehicle is on the road or charging.
Our Battery Thermal Management System For New Energy Vehicles advantages
1. Three-Mode Intelligent Switching, Not Just On/Off Cooling
Unlike single-function cooling units, this system automatically switches between cooling, heating, and self-circulation modes based on real-time BMS signals - matching the battery's actual thermal load instead of running one fixed mode regardless of conditions. This means less unnecessary energy draw during light loads, and faster response when the battery genuinely needs cooling or heating.
2. Compact and Lightweight Without Sacrificing Output
At under 35kg total weight, the unit is designed to minimize the load added to the vehicle's overall weight budget - a meaningful advantage for commercial vehicles and machinery where every kilogram affects payload and range.
3. Engineered for Harsh On-Road and Off-Road Conditions
With an IP67 rating and a validated operating range of -20°C to 50°C, the unit is built to perform reliably in environments most standard thermal units aren't tested for - from sub-zero cold starts to high-temperature summer operation, and from dust-heavy job sites to wet weather exposure.
4. Seamless BMS Integration via CAN2.0
Standard CAN2.0 communication allows the unit to integrate directly into the vehicle's existing battery management system architecture, without requiring custom protocol adaptation - simplifying installation for OEM and fleet integration projects.
Application Scope
This thermal management system is suitable for a range of large-capacity, water-cooled battery applications, including:
New Energy Trucks - supporting the higher thermal loads generated during heavy hauling and frequent fast charging cycles
New Energy Buses - maintaining stable battery temperatures across long daily operating hours and variable route conditions
Energy Storage Stations - protecting stationary battery packs that require consistent temperature control for long-term reliability
Engineering Machinery - withstanding harsher operating environments while keeping battery packs within a safe working range
parameter
| Product | Battery thermal management unit | Power | 8-15kw |
| Low-voltage Power Supply Operating Range | 18~32V | High-voltage Power Supply Operating Range | ≤750V |
| Body Material | Aluminium | Cold Style | Water-cooled |
| Certification | IATF16949, E-Mark, ISO14001 | Cooling Fluid Type | Glycol |
| Radiator Type | Direct-flow | Radiator Core Type | Pipe Belt |
| Refrigerant Type | R134A | Weight | <48kg/76kg |
How It Works
The thermal management unit sits between three key components - the electric drive system, the battery pack, and the radiator - continuously managing coolant temperature to keep the battery pack within its optimal operating range.
Coolant first passes through the electric drive system, then flows into the thermal management unit, where it is adjusted based on the battery pack's real-time condition:
Heating - In cold conditions or during cold starts, the unit warms the coolant before circulating it into the battery pack, bringing the cells up to an efficient working temperature.
Cooling - During high-load operation, fast charging, or hot ambient conditions, the unit draws heat away from the battery pack and routes the warmed coolant to the radiator for heat dissipation, before returning it to the loop.
By continuously monitoring battery pack conditions and switching between heating and cooling as needed, the system helps protect battery performance and extend service life across a wide range of operating environments.
FAQ
1. What vehicles and applications is this thermal management system compatible with?
The unit is designed for large-capacity, water-cooled battery applications, including new energy trucks, new energy buses, energy storage stations, and engineering machinery.
2. Does the system provide both cooling and heating?
Yes. The unit operates in three modes - cooling, heating, and self-circulation - automatically switching between them based on real-time feedback from the battery management system (BMS), so the battery pack stays within its optimal temperature range regardless of ambient conditions.
3. What is the operating temperature range?
The unit is rated for reliable operation across an ambient temperature range of -20°C to 50°C.
4. How does the unit communicate with the vehicle's battery management system (BMS)?
The unit communicates via CAN2.0, allowing straightforward integration with most existing BMS architectures without requiring custom protocol adaptation.
5. What protection rating does the unit have?
The unit is rated IP67 for protection against dust ingress and temporary water immersion, suitable for demanding outdoor and on-road environments.
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