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Modifying kids electric bike.

Posted: Mon Oct 24, 2022 1:00 am
by DCIV
This is all because of the in-laws, not me so I’m sorry.

My girl use to have this cool Bugatti electric car. It had a remote, different speeds, radio….my girl loved it.

Well when my other came along and the brother in law also had one they bought my oldest a used mini mouse cart and gave the other one to the younger kids. Well to be honest the new one isn’t as cool. And it’s used.
Here it is. https://www.walmart.com/ip/Disney-Minni ... /792190177

Enter dad. The battery just isn’t holding a charge and it’s slow anyways. I wanna make it a little faster. Anyone done this yet? I think all I need is the plastic top for my kobalt battery.
https://a.co/d/3BOSKAU

And this connector

https://www.amazon.com/dp/B07DP4B9V9?re ... TMTKT4A55B


And then I get a little mixed up.
Do I need this
https://a.co/d/j8RrKx6

Or

This.
https://www.amazon.com/dp/B0978T3JKH/re ... F1MJ7JBC_0

Just want to be able to make it work and then have a little more fun to make it run with her old one and with a project with dad she will enjoy the car more.

Thoughts?


Coop

Re: Modifying kids electric bike.

Posted: Mon Oct 24, 2022 2:00 am
by Chris GTO TT
I just put in 2 batteries in parallel in my son's truck. It has a built-in speed controller so I didn't want to blow it out and have to rewrite it entirely.

Re: Modifying kids electric bike.

Posted: Mon Oct 24, 2022 9:54 am
by DCIV
[quote=""Chris GTO TT""]I just put in 2 batteries in parallel in my son's truck. It has a built-in speed controller so I didn't want to blow it out and have to rewrite it entirely.[/quote]

You had that much room? I would have to put pretty small batteries for that.


Coop

Re: Modifying kids electric bike.

Posted: Mon Oct 24, 2022 2:58 pm
by Chris GTO TT
Yeah in his truck there was a spot for a 2nd battery

Re: Modifying kids electric bike.

Posted: Mon Oct 24, 2022 3:05 pm
by DCIV
Dang. Lucky!!!

I just need to know if the voltage stuff, which one would work. I found a site that sells everything. Seems like the motors will only last a day at 24v and they are on borrowed time at 18v. So if I just ran 12-16 it would prob be just fine. They don’t run them much.


Coop

Re: Modifying kids electric bike.

Posted: Mon Oct 24, 2022 3:43 pm
by Chris GTO TT
Yeah I've seen a few on 18v and they fly. Honestly it's too fast for the why the vehicles are built. Between that, the thin gauge wire and the built-in speed controller on ours I decided to keep the voltage at 12.

Re: Modifying kids electric bike.

Posted: Mon Oct 24, 2022 4:16 pm
by DCIV
[quote=""Chris GTO TT""]Yeah I've seen a few on 18v and they fly. Honestly it's too fast for the why the vehicles are built. Between that, the thin gauge wire and the built-in speed controller on ours I decided to keep the voltage at 12.[/quote]

I just want it faster than the other car and a better battery.


Coop

Re: Modifying kids electric bike.

Posted: Tue Oct 25, 2022 1:58 pm
by mjannusch
Best bet is to wire up the batteries in series for 24v and then use a moped speed controller to set a voltage limit wherever you are comfortable. You'll get more range and more speed.