Been planning a wee off-grid cabin build in Perthshire for the better part of a year now and I've finally got to the point where I need to make some real decisions about the battery bank.
So I finally pulled the trigger on a Victron Orion-Tr Smart 12/12-30A isolated DC-DC charger to replace the old VSR (split charge relay) in my Transit-based van.
I've got a 400W solar setup on my cabin roof (2x 200W panels, Victron MPPT 75/15, 200Ah AGM bank) and it does the job well enough from April through September.
EdStewart | 562 posts | ⚡ Off-Grid Tinkerer
One thing worth flagging that I haven't seen mentioned yet — the vibration tolerance of your BMS is worth checking if you're genuinely sharing hardware...
EdStewart | 562 posts | ⚡ Off-Grid Tinkerer
One thing worth flagging that I haven't seen mentioned yet — the vibration environment differs quite a bit between the two applications.
@FormerMechanic spot on about the salt water issue – it's probably the toughest variable on a yacht compared to land-based off-grid setups.
Building on what @LazyWatson and @RayWatson81 have said,...
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