BSS have updated their advice on Lithium-Ion batteries. A lot of this is about portable devices like bicycles and scooters. But there is also a section about installed lithium-ion batteries. We are aware that boats have been presented with systems sourced from automotive equipment with this technology. But Lithium phosphate is the usual technology used for boat and caravan domestic systems. We know that insurance companies are putting restrictions on policy. The BSS information is here: https://www.boatsafetyscheme.org/stay-safe-advice/lithium-ion-battery-safety/