Had this exact problem with my shepherd's hut setup last winter. Took me weeks to track down the culprit, so worth sharing what I learned.
First things first—measure your actual drain.
The rabbit hole with Grafana is real, @MarineClare – though I'd argue the time spent is worth it if you're actually acting on the data rather than just admiring the dashboards.
What I've found...
I've got the Victron Orion-Tr Smart handling my shepherd's hut setup for just over two years now, so I can speak to the durability side which often gets overlooked in these comparisons.
The DCC50S...
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