Looking buy or have built a 10s4p or something close to it battery 
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Lipo/li-ion?
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for liion, take vtc5a, vtc6 or q30 cells. I prefer the vtc5a. I would not recommend lipo anymore because they alwaaaays start sag voltage after time.
Liion is the way to go, for me. 
I have no experience with lipos but from what i read they only sag if they have a low C rating (like 20 - 30c for example). Not sure if you’ll notice that much sag with 65c Graphenes for instance.
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my experience is even with high end 50c lipos after the 30th ride they start to sag at 60% and start to lose capacity. I put them in storage mode after every ride and never over or undercharged them but did not help. Its just a lipo thing I think 
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Good to know , didn’t know that. I was going to try some lipos for a small build…I might change my plans .
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I mean lipos are totaly fine and easy to get them working. But for a long term build i would take liion. If the board is meant to be cheap just go with lipos they just dont last that long 
If you had a 6s 5000mah 65c lipo it can put out 325 amps (just ratings)
30c they are rated for 150a
But I’m sure you know manfuacture ratings mean nothing
i have 3 sony vtc5 10s4p packs for sale $320 shipped anywhere in the USA
In all previous experience, the VTC5 has a slightly longer lifespan than the the VTC5a. both are fantastic cells, but realistically they can safely only pull 25a each
here is a useful site for verifying info about the genuine current abilities. (read the fine print at the bottom of the site)
https://lygte-info.dk/review/batteries2012/Common18650comparator.php
Built my last battery lion 10s4p but lookin have this one built don’t have the time… 10s4p lion 30q with charge only bms flat pack to fit a hyperbest deck
Here is my second battery pack from @hyperIon1
10s5p flatpack
They are great to deal with and my other pack has been performing phenomenally.
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€327.29 for 100 Q30s shipped (Nkon)
If you’re going diy again, we could buy together. (need like 50x)
Edit: the bulk discount it’s not worth half the hassle.
Looking for a battery made in Europe/uk as I’m in Ireland
He’s not doing orders at the moment, I asked him like a week ago. Too busy with exams he said. I asked when he’d be done with them as it was a long term project…No response.
Look elsewhere!
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Yeah, I do but there’s probably a 3-4 week long line
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Haha thnx for the tag, I have to much guys asking me questions for building a battery, or battery building tips & tricks.
Unfortunately I am currently too busy with my studies.
@jimmymagix If I forgot to reply, sorry for that. I sometimes forget to answer. I often read messages at a quick moment
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