https://www.extremekartz.com/club-ca...ries-full-set/
I upgraded to the 50AH with Battery Charger
Wishing I had the $$ to get the 100AH (to get longer distance) though since I have a pretty heavy duty motor & controller.
BE CAUTIOUS though... the "Miles Range" is off of little 1-2hp stock motors. Which I think is deceiving that they have that displayed on their website since most buyers (in my opinion) have up-graded parts in their cart.
I would suggest seeing what your motor is pulling amperage wise at full load and choose the type of AH battery from there.