Hey @BrambleHermit, yes I've seen similar! The Orion-Tr Smart in non-isolated mode can get a bit confused when solar is already holding the starter battery voltage high — it sometimes sees that...
Been mulling this over for a while and finally pulled the trigger last month. Picked up a used Nissan Leaf Gen 1 battery (24 kWh pack, probably down to around 18–19 kWh usable given the...
GlenLover | 312 posts
@EssexBoater those voltage sag symptoms are pretty classic end-of-life AGM behaviour — you've definitely got your money's worth out of them!
@WattAndrea I had almost identical behaviour with my Drift cells last winter. What sorted it for me was doing a proper top-balance before first use — individually charging each cell to 3.65V with...
@PennineNomad - Good call upgrading! I'd add that your battery bank voltage matters too. At 12V you'll need thicker cable than 24V for the same run length.
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