12/24v Solar Controller --> 6v Batteries
Background: Purchased a used coach, came with a solar panel/controller setup that's connected to Two 6-volt house batteries. I got no paperwork for any of it but scouring the interwebs I at least fou...
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That is a decent controller, similar to my Solar30, which is an older version of that one. It has an adjustable voltage feature. No reason not to use it with a pair of 6s. ( I did)
Note that this PWM controller is for 12v panels on 12v battery banks or 24 on 24. You cannot use it with 24v panels and 12v battery bank. (You need MPPT for that.
https://www.amazon.com/dp/B018N01GWO/ref=cm_sw_r_em_api_i_c_9pwsDbFSZC9GY
Bubbling 6s at 13.x voltage as reported, does sound like the batteries are about shot. Confirm with an hydrometer if they are in the red or green.
Note that this PWM controller is for 12v panels on 12v battery banks or 24 on 24. You cannot use it with 24v panels and 12v battery bank. (You need MPPT for that.
https://www.amazon.com/dp/B018N01GWO/ref=cm_sw_r_em_api_i_c_9pwsDbFSZC9GY
Bubbling 6s at 13.x voltage as reported, does sound like the batteries are about shot. Confirm with an hydrometer if they are in the red or green.
