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26148 Aluminum Prismatic Battery Case
PRISMATIC BATTERY CASE
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Assembly InformationTerminal Configuration: The positive and negative tab dimensions and terminal pitch are listed above for assembly matching. Ordering Check: Confirm the required 26148 configuration and terminal arrangement before ordering.
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Brand: ATOMFAIR®
Why are the positive and negative tab dimensions different (30 × 10 mm vs 31 × 10 mm) on the 26148 aluminum prismatic battery case?
The positive tab is 30 × 10 mm and the negative tab is 31 × 10 mm. The 1 mm length difference likely serves as a polarity identification feature during assembly and helps prevent misconnection. The terminal pitch is 115 ± 0.5 mm, and the sealing nail diameter is 8 ± 0.5 mm, as specified in the component parameters.
What is the terminal pitch tolerance for the 26148 prismatic battery case and how does it affect assembly alignment?
The terminal pitch is 115 ± 0.5 mm. This tolerance is critical for precise alignment with the internal electrode stack and external busbar connections, ensuring consistent electrical contact and preventing short circuits during assembly. The positive and negative tab dimensions also contribute to correct orientation.
The 26148 aluminum prismatic battery case is evaluated on its defined terminal geometry: positive tab 30 × 10 mm, negative tab 31 × 10 mm, terminal pitch 115 ± 0.5 mm, and sealing nail diameter 8 ± 0.5 mm. These dimensions support prismatic cell assembly matching, but the terminal arrangement and full case fit must be confirmed with the manufacturer before ordering.
Positive
- Precision terminal geometry for assembly: The terminal pitch of 115 ± 0.5 mm and tab dimensions of 30 × 10 mm positive and 31 × 10 mm negative define the alignment envelope for connecting a prismatic cell stack.
- Explicit sealing nail diameter tolerance: The sealing nail diameter of 8 ± 0.5 mm provides a reference tolerance for selecting the corresponding seal hardware during prismatic case closure.
Trade-offs
- Configuration confirmation required before ordering: The listing instructs buyers to confirm the 26148 configuration and terminal arrangement before ordering, meaning terminal layout compatibility is not automatically guaranteed.
- Limited published dimensional data: Only terminal tabs, terminal pitch, and sealing nail diameter are listed; case body dimensions and other envelope parameters are not disclosed, so physical fit must be verified independently.
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To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
