Not so bad, I think I’ll get one of this they are almost half of price compared with others, do you think it is possible to pump with it ? How is your built going , I’m also planning to start project with jet system already ordered some parts.
Hi. My build is finish from 2 years now. Pumping the foil is to heavy and wing too small! For efoil is ok
Are you from Canada ? I’m in Montreal waiting for part, do you still sell remotes ? and did you any experiments with jet system ?
Hi. No I’m from Switzerland waiting for summer time 
Yes of course. Please PM me for the remote and can kindly answer to your questions
How does the design behave after 3 years of use ? @iLouis and all the members who made this battery based on Vincent’s guide ?
As a cross link, a 2023 guide (2 videos) by @ludwig_bre:
'eFoil Battery Build: Video Tutorial
or