Need help

poupoupidu

1 µW
Joined
Oct 9, 2023
Messages
1
Location
Sierck les bains
Hello everyone,
I don't know if this question has already been asked.
I am currently designing my second electric bike.
After a racing bike with a 1500w 48v motor, I am planning a 3000w 72v mountain bike, more precisely an ultra fun 29'' semi suspended KTM.
I would like to equip it with a 3000w rear wheel motor. I am in contact with mxus who offers me this type of engine with a controller programmable by USB which is a plus for using the high and low brakes as well as the EBS (no need to open and solder a wire).
For the battery I was going to get one of at least 40ah but the manufacturer offers me a 20ah.
I know there are multiple solutions.
I would like to have your advice
Ps: sorry for the language I am French
 
72v 40ah pack would be huge, get two 72v 20ah packs and use individually or parallel them if they are same voltage and capacity.
 
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