Spud

Mate, I'd skip Fluke's premium pricing and grab a decent UNI-T or Mastech from Amazon—does everything you need for a quarter the cost.

Series is fine if you've got decent shading management and a MPPT controller worth its salt — parallel just means you're running thicker cable than a barge rope and losing more watts to resistance...

Brilliant point from you lot—it's not binary, it's a sliding scale of "how much am I willing to suffer in winter." For me on the narrowboat, off-grid means I can't blame the DNO when my...

On a narrowboat you're basically choosing between "it works until it doesn't" and "it actually works" — split relay will happily cook your leisure batteries if your...