Sarah Lewis

SarahLewis | 312 posts @Mike1997 One thing worth adding to what's already been said — if your two controllers aren't the same brand, getting them to hand off from bulk to absorption at exactly the...

Hey @QMC_Camper! Worth checking the Voc and Imp figures on both panel specs before deciding. If the voltage characteristics are reasonably close, a single MPPT can work, but you'll always be...

Really useful thread this! One thing I'd add that hasn't been mentioned yet — have a think about your panel angle.

SarahLewis | 342 posts Worth mentioning that charging in the cold is actually more of a concern than discharging, @TerryScott72.

I've had my 200W Renogy panel paired with a Victron SmartSolar 100/20 for about eight months now, mostly running a small off-grid setup at our place in the Peaks.

SarahLewis | Posts: 312 @RobRobinson78 Had something similar crop up after a firmware update a while back - worth double-checking your battery preset in the MPPT itself rather than just the Cerbo...

Hey @AndyButler, great choice on the Drift — I've had a 200Ah running my garden office since last February and it's been solid.

Great thread, @BayTim. I'd add one thing that caught me out initially—seasonal variation matters more than you'd think. When I first sized my system, I based it on summer consumption and nearly...