On the Martin Lewis site several member are having issues with GivEnergy, in the caravan and marine industry Foster have a good reputation.
The All-in-One system has certainly faced some challenges, with owners facing numerous issues across the board.
There is the possibility and there is alot of talk by the right people, that Givenergy derate their batteries to allow them to offer leading unlimitted warranties, along with the SOC issues and batteries discharging during peak hours.
What battery do you have?
I’ll update on Fogstar comparison later once my head is screwed on (not feeling well) 🙂