so for torque motor 190kv from diyelectric 10000mah and 15c is good? sorry im new to this didnt mean to be rude
for one motor yes, for 2 motors thats probably a little low.
ya I am using 2 motors… and they dont sell higher c rating any suggestions?
since motors usualy dont pull constant 80Ah, its probably still fine.
im running 2 of these (also 2 190kv 6374 motorts)
also 15C and 30C burst rating. not many hills arround here ^^ so far no problems. also, you can still limit the max amps in your esc.
hmmm i have one hill i think is 20% ish 25 maybe think i would still be fine?
jsut limit your esc and youll be fine 
you would have the same problems with a Li-Ion pack
limit what… lol i really need to start reading before i order all the parts
This is not reliable math because when it comes to Lipos, the C rating x capacity does not give true discharge capability
Only SMC Lipos state true discharge rates
you can set max current (amps) for a motor on your VESC. considerinng the max amps are only beeing used anyway when startinng from a full stop (and thats also jsut a Burst [a second or so]), youd be fine anyway.
in short: buy lipos 
neither is the amps rating on a motor. if they have any at all. my current draw from one motor on my board averages at about ~10A max is somewhere arround 70Amps which happens for a fraction of a second whenn starting from a full stop
how much range do you get with these at close to max speed?
Your right, I have likewise tested current draw from my battery using an inline meter while riding. At 12s I was only drawing 18a going uphill And only 32a at 6s. With a dual setup Still, higher C ratings are better however there are some high capacity Lipos with lower C ratings that are good like the Tattu 22ah 25C batteries that @PatRocks uses. Those batteries are beastly but they’re not cheap.
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and any motor recommendation for 55km/ph?
and i need a good charger…
havent done any realy rangetests with my E-MTB yet. still in building phase 
on the street it should reach arround 25km.
in the woods … no idea. probably alot less
also … you do not want to drive 55kmh on these things. you have to tighten your trucks so much, that steering would become a real chalange. my personal limit is 35kmh. everything beyond that is way to stressfull for me
speed on its own is a matter of gearing, motors and on an MTB tires as well. use this to calculate your speed http://calc.esk8.it/
i have ridden the raptor 2 witch gors 49km/h and it was so fun
just wanted something more stable where if i hit a peble i dont fly 20m off my board
I can make you a 12s4p Battery either normal or rectangular or in an pelican case. 80a Max continous with flier powerswitch and bms.
Also I can vacuum form or 3d print a custom enclosure. 420$ Bare Battery with switch,bms and charger(48 Samsung 25r Cells) 480$ in pelican case. 500 for custom enclosure 3d printed or Vacuum formed. +10$ for Battery level indicator All Batteries come with an extra fuse rated for max discharge regardless of used bms.
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For how much? and how long? and i need it in the box…
Prices are in my post. It would take ~14days.