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Customized EV Waterproof Li-Ion Battery Case
Basic Info
Product description
Customized EV Waterproof Li-Ion Battery Case
Product Overview
As a specialized manufacturer in electric vehicle lithium battery protection solutions, we design and produce high-performance, customized EV waterproof Li-Ion battery cases. Our core expertise lies in precision metal fabrication and advanced sealing technologies, delivering enclosures that ensure battery safety, durability, and reliability in demanding conditions. We serve B2B clients globally, supporting electric bicycles, motorcycles, scooters, and low-speed electric vehicles with a full-cycle service from concept and prototyping to mass production.
Our manufacturing capabilities, honed through producing special-shaped parts and robust rechargeable battery box solutions, guarantee a perfect fit and superior protection for your specific battery pack and vehicle design.
Technical Specifications & Capabilities
Our battery cases are engineered with adaptable specifications to meet your precise requirements:
- Materials: High-quality Q235 cold-rolled steel, 304/316 stainless steel, or 6061 aluminum alloy, chosen for optimal balance of strength, weight, and corrosion resistance.
- Protection Rating: Customizable ingress protection from IP54 to IP68, utilizing dual-sealing with silicone gaskets and sealants.
- Dimensional Precision: Fabricated using laser cutting, CNC bending, and robotic welding, achieving assembly tolerances within ±0.1mm.
- Voltage & Compatibility: Designed to accommodate various battery chemistries (LiFePO4, Ternary Lithium) and common voltage platforms (36V, 48V, 60V, 72V, etc.).
- Thermal Management: Customizable heat dissipation: natural convection or forced air cooling structures.
- Surface Treatment: Options include electrophoretic coating, electrostatic spraying, and anodization for enhanced wear and corrosion resistance.
- Standards Compliance: Designs support compliance with UN38.3, GB/T 31467.3, and RoHS. We assist with necessary certification processes.
Core Features & Advantages
1. Precision Engineering & Robust Metal Fabrication
We leverage advanced metal fabrication techniques. From laser cutting to CNC precision machining, every step is controlled to produce cases with exceptional structural integrity and dimensional accuracy. This ensures seamless integration with your battery pack and vehicle chassis, eliminating fitment issues.
2. Superior Waterproof & Dustproof Design
Waterproofing is our hallmark. Our IP68-rated cases employ a dual-sealing system that effectively blocks water, dust, and debris. This protection is rigorously tested, ensuring performance stability in heavy rain, during vehicle washing, or in consistently humid environments, safeguarding sensitive battery cells and BMS electronics.
3. Multi-Layer Safety-First Architecture
Safety is engineered into every layer:
- Structural Safety: Reinforced sheet metal construction with anti-collision beams and rounded corners enhances impact and vibration resistance.
- Electrical Safety: Pre-configured interfaces for over-temperature, over-voltage, and over-current protection devices, enabling seamless BMS integration.
- Risk Mitigation: Options for fireproof interlayers and pressure relief valves to further minimize thermal runaway risks.
4. Comprehensive & Flexible Customization
No two projects are the same. We customize every aspect based on your drawings or specifications:
- Dimensions & Form: Tailored size, wall thickness, internal partitions, and mounting solutions (embedded or external).
- Functional Details: Custom wiring ports, connector cutouts, venting holes, and heat dissipation channels.
- Complex Geometries: Expertise in special-shaped parts allows us to create cases that fit unique and compact vehicle spaces.
5. Rigorous Quality Assurance
Our ISO9001-certified process mandates stringent testing, including dimensional checks, IP rating validation, impact resistance tests, and salt spray corrosion tests. This commitment to quality ensures every rechargeable battery box we ship meets the highest standards of reliability.
Application Scenarios
Our waterproof battery cases are essential for a wide range of light electric vehicles (LEVs) and mobility solutions:
- Personal Mobility: Electric bicycles, scooters, and hoverboards.
- Commercial & Utility Vehicles: Electric motorcycles, trikes, low-speed utility vehicles, and golf carts.
- Last-Mile Delivery: Battery protection for e-mopeds and compact electric vehicles used in logistics.
- Specialized Equipment: Cases for marine batteries, outdoor power equipment, and other applications requiring robust environmental sealing.
Benefits for Your Business
- Enhanced Product Safety & Reliability: Mitigate risks of battery failure due to environmental factors, reducing warranty claims and protecting your brand reputation.
- Faster Time-to-Market: Our integrated service from design to production streamlines your supply chain, accelerating your product development cycle.
- Design Freedom & Optimization: Get a battery case that perfectly complements your vehicle's design and engineering, rather than forcing compromises with off-the-shelf solutions.
- Cost-Effective Scaling: We support flexible MOQs for prototyping and have the capacity for efficient, high-volume production, ensuring cost optimization at every stage.
Our Customization Process: Simple & Collaborative
Working with us is a straightforward, five-step partnership:
- Requirement Submission: Share your battery specs, 3D/CAD files, or samples along with your performance requirements.
- Design & Engineering Review: Our team analyzes your needs, proposes a solution, and provides a detailed quote.
- Prototyping & Validation: We produce a functional prototype within 3-7 working days for your testing and feedback.
- Refinement & Approval: We fine-tune the design based on your validation results until final sign-off.
- Mass Production & Delivery: Upon approval, we launch production with strict QC, targeting delivery within 15-30 working days.
Frequently Asked Questions (FAQ)
Q1: What information do you need to start a custom battery case project?
A: To provide an accurate proposal, we typically need: Detailed battery pack dimensions and layout (CAD files preferred), required IP rating, target weight and material preference, voltage/capacity specifics, thermal management needs, and estimated annual volume.
Q2: How do you ensure the waterproof performance is reliable for long-term use?
A: Reliability comes from design and validation. We use high-grade sealing materials and a redundant sealing strategy. Every design undergoes strict IP testing (e.g., water spray, immersion) according to IEC standards. Our experience in metal fabrication for harsh environments ensures durable performance.
Q3: Can you handle complex, non-standard shapes for compact vehicle designs?
A: Absolutely. Our specialization in special-shaped parts is a key advantage. We regularly engineer cases that fit into irregular and constrained spaces within vehicle frames, ensuring no compromise on battery capacity or vehicle design aesthetics.
Q4: What is the minimum order quantity (MOQ) for custom cases?
A: We offer high flexibility. We support low MOQs for prototype and pilot phases, allowing you to test and validate before committing to large-scale orders. This makes us an ideal partner for startups and established companies alike.
Q5: Do you provide assistance with safety certifications for my market?
A: Yes. While final certification is the responsibility of the battery pack or vehicle manufacturer, we design our rechargeable battery box solutions to meet common international standards (like UN38.3) and can provide necessary test reports and documentation to support your certification process (e.g., CE, UL).
We combine precision metal fabrication with a deep understanding of EV battery protection needs to deliver customized, waterproof cases that enhance safety, durability, and performance. Partner with us to secure a reliable, high-quality battery enclosure solution tailored precisely to your electric vehicle project.
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