When you power up the charger it will read

V 6.0 ( That is the latest & best & you are up to date)

on the screen. if it is

V 5.5 You will not have competition mode, it was introduced in V 5.6 or V 5.7 ( I think)
All updates after competition mode were charging refinements.

I have been told Thunder Power no longer sells the PC Downloader, & yes you have to have it or send it in.

You can contact them by r-mail at...

[email protected]

Send it attention Big Jim

I had V 5.5 & sent mine in, then a friend bought a downloader.


Tom