Had the same with my setup charging the garden office batteries on longer runs. Worth checking your cable sizing first — voltage drop on the input side will throttle the output before anything...
Not a narrowboat myself — garden office setup here — but the Victron + Fogstar combo is exactly what I run and it's been rock solid.
One thing worth flagging for narrowboat specifically: keep an...
BerlingoSolar | 312 posts
Yeah the rating labels on those cheap ones are basically fiction. Had a pair in my garden office build rated at "150A" that got noticeably warm at maybe 40A...
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