Battery Pack Requirement Sheet Template (PDF + Word Download)
A battery pack requirement sheet template with example values, plus a PDF and Word copy you can fill in. Eight sections, every field with its unit.
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Quzhou Aoyin Metal Materials Co.,Ltd
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Practical guides on aluminum extrusion, battery enclosures and EV manufacturing — written for engineers and sourcing teams.
Battery Box Tolerances: What to Put on the Drawing
A 2 mm wall ships at ±0.23 mm unless your drawing names the class. Here are the three groups of dimensions worth tightening, and the nine lines to send.
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How to Read a Leak Test Report for Battery Trays
Most leak test reports say 'pass' and nothing else. Here are the nine lines that mean something, and how to spot one that was filled in, not measured.
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Battery Box Wall Thickness: How Thin Is Too Thin
Wall stiffness runs on a cube law: 1.5 mm is 3.4 times stiffer than 1.0 mm. How thin extrusion allows, and where thin walls start to fail.
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E-Rickshaw Battery Box: 8 Things to Fix Before the Drawing
Eight lines on the drawing decide the price you get quoted back. Miss one and the number you get is a guess. Here is the list, with numbers.
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What Anodizing Actually Does to an Aluminum Battery Box
Anodizing grows its oxide layer inward as well as out. What Type II and Type III films actually deliver, and why sealed boxes still corrode.
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Battery Box Sealing and Leak Testing: IP Ratings and Test Methods
IP65 and IP67 are two different tests, and a 'leak tested' line on an invoice proves nothing. What to write into the PO instead.
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How Aluminum Battery Boxes Are Made: Extrusion, Casting and Welding
The manufacturing routes for an aluminum battery enclosure - what happens on the line at each step, and which process fits which annual volume.
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Aluminum Battery Box Materials: Alloys, Tempers and Finishes
6063 extrudes thin and anodizes clean. 6061 machines better and costs more. Where each one stops being the right answer for a battery box.
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Friction Stir Welding for Aluminum Battery Trays
A tray can come off the line looking perfect and still fail helium test three days later. How friction stir welds really form, and why they leak.
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