T6 Solar

The 150/10 is a workhorse, but I'd be curious what your actual winter generation looks like in practice.

Yeah, this is the classic series string problem—one shaded panel bottlenecks the whole lot because current has nowhere else to go.

Yeah, the chalk thing is properly annoying. I'm in the South East and had similar grief with my setup.

The PWM controller issue @WattEd mentioned is the real gotcha here. Your leisure battery will charge fine, but the relay triggers based on voltage alone—so if your cabin battery's sitting at 13.2V...

@MarshLover worth asking yourself what your actual power budget is before worrying about the roof. Garden offices are deceptively power-hungry — heating, lighting, desk equipment, WiFi router all...

Garden office is a solid choice for an off-grid build — less thermal mass to manage than a house, easier to dial in the system. What's your power budget looking like?

@DodgyRoamer's nailed it. The psychological bit sneaks up on you. I went full paranoia mode my first winter—obsessively checking battery state of charge, running the genset at 2am because I'd...

The real killer for me was the current draw. Got one wired up years back on my van conversion and it'd spike to 80+ amps on cold starts, which absolutely cooked the leisure battery terminals and...