I guess it is a Unity blowing up 
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But why would you blow up this rare piece of equiptment
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Nothing to worry about, just @okp blowing up things :
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Tho one that @Sn4Pz linked.
It’s quite good value at $20 - has space for a 10s2p 21700, comes with chargepoint, battery meter and even a USB charge outlet. also has all bolts and gaskets and is really waterproof (tested).
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I would love to see the insides after another 6 months to validate this. Not that I’m doubting you… But few to none* enclosures out of the box are going to be good enough to be ‘waterproof’, especially when it’s not mounted to the deck it’s designed for 
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What’s the discharge amps on these like?
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12A 4400mAh
I think
Cell wrap says 8Ah but I’ll just Google and see
200A it claims bahaha
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200A continuous
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The guy I bought them from worked with the local university to put them through their paces and the specs they claim are legit.
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You have to design it so it will still work even if the enclosure gets brine inside. Then, all is good even if it leaks.
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Sorry i replied to the wrong picture😬
If they are, that would really be something!
16s Lifepo4 is just about 12s li ion. Or are you planning on running lower Voltage and higher amperage through them?
I don’t follow the maths. These are 3.2 nominal versus 3.7 nominal for li ion.
10x3.7=37V for li ion
12x3.2=38.4V for li fe
Or
12x3.7=44.4V for li ion
14x3.2=44.8V for li fe
I was planning on running 12S1P.
Blame the mounts, not the builder 
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12S LiFePO4 is essentially the same voltage as 10S li-ion. They charge to 43.8V but most of the discharge is done in the 39V area.
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I was going based off of lithium ion being 4.2v fully charged (50.4v 12s)
Ah ok.