Help identifying these parts

[Kykebatt123]

It’s from a carrera vengeance espec
I’ve identified some but not sure about some can anybody help
I’ve circled the ones I need help with Thankyou

 

[Jackware]

Is this a DIY ebike ? If so it you may get answers if you post in that section of the forum and have a look at the Endless Sphere forum as well.