I installed the Daikin Perfera 9000 BTU in the bedroom at the start of winter.
Chose the Daikin specifically for it's great efficiency.
We had a bit of a premature baby so had to keep the bedroom warm all winter. Even when outside dropped to 0, inside was a toasty 26, consuming 650-700W...
Thanks for the suggestions, so follow-up questions:
1. is there any risk of me leaving the dud battery in (making it's little "pfft" noises) and running them all down to that state?
2. how will I know if my UPS supports LFPs? It's branded "Peak" (it looks like a rebrand of "Power Star" because...
Great thread - amazingly informative! Apologies if this has been asked before, but I couldn't find anywhere here or elsewhere:
I've got 4 x 12V 102Ah Royals connected to a pure sine inverter and it's been working happily for the last 4 years or so. Now one of the batteries needs to be replaced...