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240Ah cells best Ah density?

brchar

New Member
Joined
Feb 16, 2023
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Hello Folks!

I have my eyes on 4pcs Lifepo4 12V Aux battery for my vehicle. Small form factor is key and I see some 240Ah seem to exist on Aliexpress in dimensions 175*48*185mm (w*d*h, height being 170mm + 15mm stud) which would be ideal for me.

Is that a legitimate size for this capacity? If not, that is the typical capacity for this size?

1676906607866.png

The density of those 240Ah seems too good to be true at about 160mAh/cm3, 45% better than your typical 300Ah (~175*72*200mm) at about 110mAh/cm3!

Also, I couldn't find out who the manufacturer is which is probably not a good sign...

FYI, I have seens those in a few stores for about $360US for 4pcs.

Any insight on this would be much appreciated!

Cheers!
 
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