Fitting different battery to Gtech citybike

[Heavy right foot]

Couldn't bring myself to spend £300 so did this

 

[Wibbles]

Hi, I also have a Gtech Sport and want to replace the controller and battery - can someone reccomend a suitable replacement that will allow better acceleration and slightly higher top speed? I know very little about ebikes. Thanks

 

[MichaelMcCammond]

Couldn't bring myself to spend £300 so did thisView attachment 45584

Hello - can you advise how you did this please?

 

[Nealh]

Hello - can you advise how you did this please?

Very nicely done that, a 3D printer is involved.