Exmoor Nomad

Spot on, @Brummie84. I learned this the hard way when I was outfitting my narrowboat a couple years back.

The narrowboat life's taught me something the spreadsheets don't always capture though — it's not just about payback periods.

What @Louise1984 and @Macca64 are touching on is the real issue — it's about response time and lifestyle. I learned this the hard way on my narrowboat.

Learned this the hard way on the narrowboat. Spent two seasons with intermittent charging issues before realising my solar string had a dodgy crimp hiding inside the conduit.

The renting thing's a proper minefield, that. Been there myself before I got the narrowboat sorted. Here's what I'd suggest though—forget about permanent roof mounting.

I've got both setups running on the boat actually — LiFePO4 for the main house bank and a couple of AGM units tucked away as backup.