This aluminum battery tray bottom enclosure is engineered for the 48S battery pack configuration, delivering a rigid, lightweight and leak-tight structural base for high voltage lithium battery systems. Manufactured by extrusion and friction stir welding (FSW), it provides excellent sealing, dimensional stability and fatigue resistance for demanding operating conditions.

| Parameter | Specification |
|---|---|
| Product | Battery tray bottom enclosure |
| Model Number | TR-BT48S-1060 |
| Cell Configuration | 48S battery pack |
| Overall Dimensions | 1060 x 616 x 120 mm |
| Material | Aluminum alloy |
| Manufacturing Process | Extrusion + Friction Stir Welding |
| Wall Thickness | 3.0 mm |
| Rated Voltage | up to 200V |
| Approx. Weight | 12.8 kg |
| Cooling Integration | Optional integrated cold plate channel |
| Ingress Protection | IP67 |
| Surface Treatment | Anodized / Powder Coated |
| Stock Status | 200 units in stock |
This bottom enclosure is widely used in electric buses and coaches, as well as in a wide range of electric vehicle and energy storage platforms that require a robust, sealed battery base.
Trumony Aluminum Limited specializes in aluminum materials and thermal management solutions, including aluminum sheets, plates, tubes, cooling plates and battery pack housings. Serving the new energy vehicle industry, our team supports customers from design and simulation to molding, prototyping and delivery, helping shorten development cycles.
A: Our standard MOQ is 10 pieces, and trial orders are welcome for first-time cooperation.
A: No. This bottom enclosure is already tooled and proven, so there is no mold or development fee, and stock units can be shipped quickly.
A: It is designed for 48S battery packs and is well suited to electric buses and coaches.
A: Yes. We offer custom dimensions, wall thickness and cooling integration such as integrated liquid cold plates to match your pack design.
A: In-stock units can be shipped within 3 working days; customized production takes about 15-25 days.
Request a quotation, technical drawing or sample today. Our engineering team is ready to match the right bottom enclosure to your battery pack.