Your post raises more questions.
Do the panels follow the sun?... my panels when flat produce 1/4 the power. At best 4/5ths of rated power.
Just because the voltage is up mid day tells you nothing. When you turn the panel switch off what is the battery bank reading?
The last 20% of a lead acid bank can take more than ten hours.
800w motor, 1000w panel. 2hrs at 800w=1600w. Real numbers on the array bet more like 300w if flat.
Check the numbers for your installation.
If dink is high priority, consider splitting the array and dedicating some to the dink. Or add panels to the dink.
Kevin
On Wed, Mar 4, 2020, 8:42 AM mosslandingcreatures <mosslandingcreatures@gmail.com> wrote:
My first time on this wonderful info site. I thought my project would be easy. Mothership sailboat has 1k solar power with a 3k Victron inverter Charger powering the usual refer, autopilot, dc water maker and the like. House bank is 800 Ah. She has a Honda 2000 generator but I would dearly want not have to use it. With typical use and southern California/Mexico daylight and uniaxis pv tilt I hit float usually by mid day or so. I want my house bank to never dip below 50% DOD. I want componentry to see the house floating and send remaining power to a separate dedicated inverter??? To power the 120 v charger to drive 200 Ah lithium battery onboard the ding?... Echo charger relay??? I want rapid as possible charging of the dingy battery so I might use the 800 watt dingy motor for 2 hours every day. Any ideas ladies and gentlemen?
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