[PSUBS-MAILIST] Repackaged LifePo4?

[Jon Wallace via Personal_Submersibles]

Looking for some brain-power deductive reasoning.  I've been following some of these youtube channels that teardown LiFePo4 batteries to see what's inside and also test various functions of them.  I've notice with all of them that the actual Lifepo packs are significantly smaller than the container they are inserted into and use padding keep them centered.  At first I assumed this was to prevent chafing of the cells against the container but also noticed that padding is not used on the bottom which seems to me where most movement that might cause chafing would occur.  So I'm left to assume manufactures are simply using padding so they can provide LifePo batteries in industry standard battery group sizes.
Given that the battery pods on K-Subs do not lend themselves well to current battery groups I'm curious what you guys think about repackaging current market LifePO batteries into smaller containers.  I can't see any reason not to do it but am sure there are some opinions out there I would want to hear.
Jon
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