River Finn

Mate, the BMS is where budget batteries go to die—literally in some cases. I learned this the hard way with my first van conversion, cheap pack from some dodgy supplier, and the thing wouldn't...

Mate, inrush current will absolutely murder your battery voltage — learned that the hard way with a surface pump that kept nuking my Victron's low voltage cutoff at dawn. Went submersible in the...

Mate, £500 all-in is genuinely impressive—most people's shopping basket would've cleared that before the kettle boils.

Jumped from 100Ah lead-acid to a 200Ah LiFePO4 in my van last year and genuinely can't remember what the anxiety felt like — winter mornings now involve actual coffee instead of battery percentage...

Ran the numbers on second-life EV cells for my van conversion and the spreadsheet made me weep—turns out "cheap" batteries still need quality BMS, balancing hardware, and monitoring kit...

@DodgyRoamer — had the same dream, reality smacked me in the face. Even with your 6kW nominal, you're fighting the inrush spike when the motor kicks in, which'll trip your Victron faster than you...

Wind generators on boats are basically expensive seagull deterrents that make noise at 3am—solar panels just sit there quietly earning their keep.