Serpentine Tube Liquid Cold Plate Lightweight Cylindrical Battery Cooling Plate 18650 21700 4680

Our serpentine tube liquid cold plate is a lightweight thermal solution exclusively designed for cylindrical lithium cell packs including 18650, 2170, 4680 and 4695 formats. This liquid cold plate adopts continuous integrated serpentine loop tubing embedded in an aluminum base plate, delivering consistent coolant flow with simplified manufacturing and remarkable lightweight advantages compared to conventional tube cooling structures.

Perfect for two-wheeler EV, energy storage and low-to-medium heat density battery modules.

• Outstanding Lightweight Performance: 15–20% lighter than traditional liquid cold plate tube designs, effectively lifting vehicle driving range
• Simplified Continuous Serpentine Flow Path: Single unbroken coolant loop with balanced fluid distribution, easy pump system matching
• Stable Thermal Performance: Controlled temperature difference ≤3℃ across all cylindrical battery cells, avoids localized overheating
• Reliable Sealing & Pressure Tolerance: ≥1.2 MPa burst pressure rating, helium leak inspection standard ≤1*10⁻⁷ Pa·m³/s
• Flexible Tube Customization: Adjustable tube diameter, flow pitch and serpentine routing path to fit all cylindrical module layouts
• Universal Corrosion Protection: Standard chromate-free passivation, optional extra anti-corrosion surface coating for harsh working environments

Trumony's cold plate is designed to solve supply chain challenges without cutting corners on performance:

· Speed of Stamping: Once the progressive die is set, channels are formed in seconds per plate. This allows us to ship thousands of identical, high-quality plates per month, keeping your assembly line moving.

· Predictable Cost Trajectory: Because stamping is a fast, low-labor process, unit economics improve naturally with volume. We pass this structure through with transparent, tiered pricing.

· Single-Process Validation: We use the exact same stamping tooling and sealing method for prototype samples as for volume production. The thermal performance data you gather from a sample is identical to what every production plate will deliver.

· Scalable Customization: We work with you to finalize channel routing and port placement before committing to the stamping die. Once the die is qualified, scaling up is simply a matter of scheduling production runs.

4680 large cylindrical battery packs, two-wheeler electric vehicles, portable energy storage systems, low-speed EVs, battery energy storage cabinets, consumer power battery packs.

1. Lower overall component weight reduces total battery pack load and improves energy efficiency
2. Continuous serpentine tube eliminates split-channel flow imbalance issues
3. Flexible tube bending process supports complex irregular module outlines
4. Stable long-cycle operation, minimal risk of tube deformation under hydraulic pressure
5. Cost-effective for mass production of cylindrical cell cooling systems

Send your cylindrical battery module dimension drawing to get a customized serpentine tube liquid cold plate solution. Free thermal performance test report provided for bulk orders.