In this video I show you how to do the speed hack on the Z1 . Keep in mind you will loose range with going faster . Here is a link to a dual battery how to on the Z1.

   • Super 73 Z 1 Dual Battery  

Battery same size a the z1 stock battery
https://www.amazon.com/gp/product/B07...

Battery to over double your range
https://www.amazon.com/gp/product/B07...

[email protected]