Uncompromising Armor for Your Chemistry
Precision-engineered battery enclosures built to survive the harshest marine, mining, and off-highway deployments. From deep-sea IP68 sealing to defying brutal multi-axial vibrations, we bridge your BYOC chemistry with high-strength aluminum/steel materials, precision CNC protocols, and ECE R100.3 compliant structural integrity.
Built for Your Specific Battlefield
Real-world electrification is harsh and highly application-specific. Our battery pack enclosures are engineered around your operating “battlefield”—vibration, corrosion, impact, sealing, and packaging constraints—so you get the right material, structure, and sealing strategy for the job, delivering durable protection and long service life without unnecessary weight or complexity.
🚛 Electric Heavy Trucks
Challenge: High vibration, long-distance freight duty cycles, strict weight constraints, and structural rigidity requirements.
Solution: High-strength aluminum extrusion structures combined with friction stir welding (FSW), achieving meaningful weight reduction while maintaining structural integrity and durability.
🚢 Marine & Offshore
Challenge: Salt corrosion, extreme waterproofing, high humidity, and submerged or splash-zone operating conditions.
Solution: 316L stainless steel or aluminum with C5-M corrosion protection, combined with redundant IP68-grade silicone sealing and integrated pressure relief valve design.
🚜 Agricultural & Mining
Challenge: Bottom impact from rocks, high torsional stress, dust, mud, and harsh field conditions.
Solution: A high-strength armored steel skid plate paired with formed-and-welded sheet metal construction engineered to resist puncture, minimize deformation, and stay reliable in harsh environments.
🚑 Specialty Vehicles
Challenge: Irregular layouts, highly customized designs, and non-standard packaging dimensions.
Solution: CNC-machined monoblock housings or flexible sheet-metal assemblies to fit odd-form-factor battery packs and enable fast, custom integration for mission-specific platforms.
Engineered for Survival: Advanced Pack-Level Innovations
We don’t just fabricate metal; we integrate critical survival and defense mechanisms into the enclosure. For 800V+ heavy-duty and marine architectures, every micron of tolerance and every seal detail dictates the life and death of your cells.
IP67 / IP69K Sealing Mastery
The Engineering: Automated robotic FIPG dispensing, micro-friction welding, and helium mass spectrometry leak detection.
The Value: Protection against deep-water submersion, high-pressure cleaning, and salt-fog penetration.
Thermal Runaway Evacuation
The Engineering: Precision-machined directional venting channels, explosion-proof bursting discs, and aerogel insulation integration.
The Value: Supports strict thermal propagation requirements and gives operators critical time for safe response.
EMI/RFI Shielding
The Engineering: Conductive coatings, specialized gasket designs, and composite internal linings against electromagnetic interference.
The Value: Reduces interference between high-voltage power busbars and sensitive BMS or vehicle-controller communications.
Anti-Corrosion Marine Coating
The Engineering: Marine-grade anodizing, salt-spray-resistant powder coating or E-coating, and anti-vibration mount integration.
The Value: Helps preserve structural integrity against ocean exposure, vibration, and heavy-duty field impacts.
Product Overview
Advanced battery pack enclosures designed for maximum protection, thermal management, and manufacturing precision.
Manufacturing Processes
Material Options
Key Features
Technical Specifications
Detailed specifications and capabilities for your battery pack enclosure manufacturing.
Manufacturing Capabilities
Materials
Aluminum Alloys
- • 5052-H32 — Formability & corrosion resistance
- • 6061-T6 — Structural strength & stability
- • 5083-H111 — Marine-grade corrosion resistance
Steel Grades
- • 304 Stainless — General corrosion resistance
- • 316L Stainless — High corrosion resistance
Manufacturing Processes
Machining
- • 5-axis CNC
- • Large gantry mills
- • Precision drilling
Joining
- • FSW welding
- • TIG welding
- • Mechanical fastening
Materials & Finishes
The right material, paired with the right finishing process, ensures durability, performance, and compliance in demanding environments.
Material Selection
Aluminum Alloys (5000 / 6000 Series)
Industry standard for EV battery structures. Offers an excellent strength-to-weight ratio and superior thermal conductivity, making it ideal for integrated enclosures and liquid cooling plates.
Stainless Steel (304 / 316L)
Designed for extreme corrosion resistance. While heavier, it is the optimal choice for marine environments, offshore applications, and energy storage systems where durability is critical.
High-Strength Steel & Advanced Composites
High-strength steels deliver superior impact resistance for base structures, while advanced composites provide lightweight, flame-resistant solutions for upper housings.
Surface Treatments Hub
A curated selection of surface finishing processes designed to enhance durability, corrosion resistance, and electrical insulation performance.
Powder Coating
Provides excellent insulation properties and strong resistance to wear, corrosion, and environmental exposure.
Anodizing
Enhances aluminum surfaces with a hard oxide layer, improving wear resistance, corrosion protection, and surface durability.
Electrophoresis (E-Coating)
Uniform anti-corrosion coating with excellent coverage, widely used in automotive-grade applications.
Marine-Grade Painting
Engineered for C5-M environments, offering strong resistance to UV exposure, salt spray, and aggressive corrosion conditions.
The Engineering Matrix
Manufacturing Methods: We Scale With You — from rapid prototyping to full-scale production.
| Process | Volume / Stage | Advantages | Trade-offs | Our Edge |
|---|---|---|---|---|
| CNC Machining | Prototyping / Low Volume | Ultra-high precision, no tooling required, maximum design flexibility. | Higher unit cost, increased material waste. | Large-scale CNC clusters with one-piece machining capability for oversized enclosures. |
| Sheet Metal + Laser Welding | Medium Volume / Custom Heavy Structures | Flexible dimensional adjustments, low tooling cost, fast production cycles. | Lower sealing performance compared to advanced welding methods. | Robotic laser welding combined with manual TIG processes to ensure airtight integrity. |
| Extrusion + FSW | Mass Production / Commercial Applications | Exceptional structural strength, integrated fluid channels, lightweight construction. | Requires high initial tooling investment and advanced design planning. | Dedicated FSW lines with weld strength approaching base-material performance. |
| Die Casting | High Volume / Lightweight EV Platforms | Significant cost reduction at scale, high consistency and repeatability. | High tooling cost, complex mold maintenance. | Advanced die-casting supply chain with vacuum-assisted processes to reduce porosity defects. |
Anchored in the World's EV Hub
We do not just design the box — we connect you to the pinnacle of China’s EV supply chain. Our engineering solutions are never theoretical. By integrating deeply with China’s powerful new-energy ecosystem, we align your program with top-tier industrial resources to support compliance readiness and cost efficiency.
Why This Matters
For international OEMs and system developers, China is not just a manufacturing location — it is the center of gravity for the global EV battery supply chain. Our role is to make that ecosystem accessible, coordinated, and usable for your project.
Direct ecosystem alignment with leading cell, BMS, thermal, and validation resources.
Compliance-first execution to reduce certification delays and redesign risk.
Global deployment readiness through localized engineering and internationally recognized test pathways.
Cell Ecosystem Compatibility
Our structural and thermal designs are compatible with standard cell formats supplied by leading battery manufacturers, including CATL, EVE, BYD, CALB, and Gotion.
BMS & PDU Integration
Our enclosure architecture, harness routing, and high-voltage junction box layouts are designed for direct adaptation to major electronics and power-distribution platforms.
Thermal Management Ecosystem
In addition to our in-house R&D capability, our systems are supported by vehicle-grade thermal supply chain resources for liquid cooling and thermal control.
IATF 16949 Quality Management Alignment
Our engineering documentation, change-control workflow, and production readiness packages are structured to support automotive-grade APQP/PPAP expectations, traceability, and disciplined supplier quality management.
ISO 9001 & ISO 14001 Factory Compliance Readiness
Our product and process deliverables are designed to plug into factories running ISO 9001 and ISO 14001 management systems.
Testing & Certification Network
Our designs can be routed into core regulatory and validation pathways through a trusted network of laboratories and testing institutions.
Scalability: From Agile Prototyping to Global Volume
Your engineering hub scales with your ambition. We bridge the gap between R&D designs and mass-market manufacturability, leveraging China’s automation and CNC ecosystem to deliver reliable enclosures on time.
Rapid NPI & Prototyping
Capabilities: Multi-axis CNC prototyping cells, rapid tooling, and agile 3D inspection.
Why it matters: We turn finalized CAD architectures into functional samples for early validation.
Heavy-Duty Structural Welding Area
Capabilities: Automated FSW lines and robotic laser welding cells.
Why it matters: FSW supports large liquid-cooled trays with excellent flatness and sealing potential.
Automated Assembly & EOL Lab
Capabilities: Adhesive dispensing robots, CMM inspection, and helium leak testing.
Why it matters: Every enclosure can be checked for dimensional consistency and leak integrity before shipment.
Deep Integration into the Supply Chain
Capabilities: Access to material extruders, die-casters, machining partners, and surface treatment specialists.
Why it matters: We reduce supply chain friction while supporting automotive-grade quality expectations.
Stop Compromising on Your Enclosure
Whether you are deploying a bare Cell-to-Pack (CTP) architecture or integrating standard modules (MTP), your cell chemistry deserves the ultimate structural armor. Submit your 3D CAD models or detail your heavy-duty performance targets below. Our senior mechanical team will audit your requirements and return a comprehensive Design for Manufacturability (DFM) analysis—covering CNC prototyping strategies, material selection (Steel/Aluminum), and high-volume tooling feasibility—within 48 hours.
Ask For A Quick Quote
Wonderful, you have made the right choice. We will never let you down!
We will contact you within 2 hours of working days, please pay attention to the email with the suffix “@astraiondynamics.com”.
Fast Engineering Review
Typical Timeline
Secure & Confidential
All drawings and project data are handled under strict NDA protection.
Ask For A Quick Quote
Wonderful, you have made the right choice. We will never let you down!
We will contact you within 2 hours of working days, please pay attention to the email with the suffix “@astraiondynamics.com”.
