I am a newbee and I kinda need some help :)

bro…

my pack only has 25a cont. and I go up massive hills all the time without an issue. what are you smoking?

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@DexterEsk8 I’m gonna lay it all out for ya.

If you go with that battery (x2) You have 2 choices

Choice One You set up the battery in a parallel configuration. Therefore you have a 6s config. Okay. That’s all fine. Only issue is, you have a theoretical max speed of ~19.5mph. Realistically you’re looking @ around 16mph. Not so great.

Choice Two You set up the battery in a series configuration. Therefore will have a 12s config. That’s not so great. While it will give you high enough speeds to keep up with cars on a freeway, your VESC will fry before that. VESC’s have an ERPM limit of 60K, and that would go way over.

Then there is my solution

You get two 4s batteries, creating an 8s series config. 8s is the perfect solution because it won’t exceed the VESC’s ERPM limit and you still get a realistic top speed of about 25 I think, I don’t remember…

This only makes sense if you go with your original motor choice. Which I think will save in the long run, you don’t have to buy wheels, trucks, motor mounts, any of it. An 8s battery with that is the optimal solution.

hope i helped

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Wtf , 25 a continious? Well i dont know How thats work for you, but thats way to little for me. I didnt say it woldnt work for him, but I said the voltage sag will be veery much If plan to do lots of hill clims. Its also not good for the batteries, to be used at their limits all the time

when i use 2 4s battery i hit a top speed pf 19 mph weighted, i think i should go with 2 5s battery with a top speed of 25 mph but i got know idea it can handle those amps

or i could use

and how do you calculate the amps

We must keep in mind that @GrecoMan is very light :joy:

His point is still completely valid. I barely pull 60A cont from my battery on maximum acceleration, but that is with two motors. I’m also fairly certain that I am probably heavier than him as well.

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You could use this website to calculate the battery amps using the mAh rating and C rating.

https://www.kritikalmass.net/battery-calculator/

But the manual calculation is multiplying the mAh rating by the C rating and then dividing by 1000.

For example, a 12S1P 5000mAh pack with a discharge rating of 30C would be 5000*30/1000 = 150A max

Keep in mind this is optimal conditions but those are the calculations behind it

If you want to save a little bit of money you could go for 6364 (has plenty of power) but then again it’s only like $10 or something.

sorry but @GrecoMan weighs about 160lbs… not super light

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I am like 99 lbs

This is what i am thinking to do 2 5s battery’s

Dual motor http://www.diyeboard.com/dual-belt-drive-1400w2-n5055-motor-power-truckfront-truck-kit-p-422.html and 2 vescs products/torque-esc-vesc-bldc-electronic-speed-controller

using it as 10s I assume?

yes connect in series

but wich connecter do you need to connect the 2 vescs

you need different motors. 270kv on 10s will destroy the vesc

http://www.diyeboard.com/180kv-n6354-outrunner-motor-2000w-for-diy-electric-skateboard-p-540.html

or

with the one from diyeboard.com i can make a dual motor setup with http://www.diyeboard.com/dual-motor-beltdrive-mechanical-kit-for-5055-6354-motors-p-543.html

no, don’t use the one from diyeboard. much lower quality than the APS one

the APS one in a single drive will probably give you more power anyways

Should i do a single or dual motor setup

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singles is cheaper, you could always upgrade later on

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