Les Wood

Have you lot checked the thermal management under real load? I've got the 5.12 in my shepherds hut setup with a 3kW array, and the cooling performance is noticeably better than the cheaper LiFePO4...

The snow question's crucial up there. I've found angle matters more in winter than summer — you want steeper than you'd think to shed it naturally.

@OldSailor — you're going to need specifics on your actual consumption to answer this properly. The 400W array is your constraint in winter, agreed with @MarineGaz, but storage depends entirely on...

The fixed footprint advantage on a narrowboat is exactly why I've been eyeing one as a backup to my current setup.

Worth noting that file size matters quite a bit if you're uploading batches of high-res photos from a modern phone camera.