Here's my list from my Apollo Pro. Hope this helps!
Apollo Pro- 52V- Hydraulic Brakes
Upgrades and Add-ons
Apollo Stem Bag
https://apolloscooters.co/products/apollo-bag
Apollo Thumb Throttle
https://apolloscooters.co/products/apollo-thumb-throttle
Hafny Handlebar Mirror
https://www.amazon.com/gp/product/B074T612KL
Dual 700 Lumen Headlights- zoomable spot to flood
https://www.amazon.com/gp/product/B07QYN7447
Theft Alarm with remote control
https://www.amazon.com/gp/product/B07TZTG5JY
GUB Carbon Fiber Handlebar Extension
https://www.amazon.com/gp/product/B06VW7GXM4
NeweKey iPhone holder
https://www.amazon.com/gp/product/B083FKHNYD
CYCL Turn Signals
https://www.amazon.com/gp/product/B076CQ7VTN
ETook folding lock
https://www.amazon.com/gp/product/B084GTST2D
Avantree Bluetooth Speaker
https://www.amazon.com/gp/product/B01HI1908Q
Seibertron Riding Gloves
https://www.amazon.com/gp/product/B077LYC8Q4
Victgoal Helmet (I also have a full-face Bell Helmet)
https://www.amazon.com/gp/product/B07WG6Z79W
I'm using this one https://smile.amazon.com/gp/product/B06VW7GXM4. It's fairly small but big enough for me to attach a few more accessories on one side of my handlebar.
Here you go: https://www.amazon.com/gp/product/B06VW7GXM4/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1
A little pricier than I remember TBH
Maybe something like this could provide just enough support.