Well I linked my 150watt solar in parallel to an 80watt panel mounted on a home made tilt and lock mechanism. I also got rid of pwm controller and replaced it with a Victron 75/15 mppt controller. Bearing in mind we don’t have mains hookup.
Wow, what a difference! The sun is so low in the sky right now but when it’s sunny and I direct the 80watt panel, I’m harvesting 5.5 watts/hour. When that panel is flat this figure drops by half! The Victron 30 day history is showing I’ve got fully charged leisure batteries plus they are getting absorption and float charging which they weren’t before adding the tilt panel.
It’s not stopped me from ordering a 200amp Polinovel Lifepo4 battery with Bluetooth, a 40 amp Victron mains charger and a Victron 30 amp dc to dc charger. I’m liking the Victron gear, it seem pricey, but the quality is definitely there.