Unfortunately DIY is limited to what is certified in France, Victron MultiPlus are certified all, Quattro so far are not, the sole battery from this shop allowe

Unfortunately DIY is limited to what is certified in France, Victron MultiPlus are certified all, Quattro so far are not, the sole battery from this shop allowed for a grid-connected system are the Pylontech. Still MUCH cheaper than what I've found from French shops anyway so a big thanks :-)