i HAVE EXTENSIVE time experimenting with solar chargers.I have a 1 kw inverter i bought at a ham radio swap plus two deep cycle batts.I built several charge controllers from designs in qst mag.Dont have the mths but from 1990-2004??I also bought 2 surplus panels no -
load apprx 18-20v with loads of 12-14vts at apprx 1.8 amps Then Ibought a New panel 65wtts .My inverter was a 24 vlt circuit so I put the panels in series to slow charge but,with my charge controllers I could charge any kind of battery ,by adjusting the time on and the current sensed the chargers would cycle on and off,called a hysterisis circuit,.I did this cause i was a caretaker on a indian reservation for about 17 yrs,no elec or telephone,so my needs became very focused even on cloudy days I could get 300-400 milliamps enough to run lights (12)small 12vt tv.So email me ,I would be happy to help you all I can.Iv'e since moved back to the city,gardena,calif,I still use my cells to charge my batterys that I use for my ham circuits and batts.I also know that You probly want more current to charge so lets see what we can do.
tom(leatherman)NE6AO
my other hobby