Is 24v Charging the Same as 12v Charging?
With 24v charging on a 24v battery is everything the same as 12s except half the amps? Same charging profile, SOC vs time etc? Is 8.3 amps with 24v the same exactly as 16.6 amps on a 12v bank of the...
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No plans at all. Just thinking that I might be able to get 16.6a worth ( at 8.3a) from that 230w panel with PWM at 24v when it is at 51C (25C ambient) instead of that lousy 13.5a I was getting last summer with MPPT.
I would need some 12v for the rig during the day (very light loads) and go back to 12v just before supper until next morning. The mechanics of that are a separate issue but seem not very difficult.
I said before that I would prefer MPPT in Spring and Fall and PWM in Summer. I thought I was stuck because I have only one 24v panel.
To get out of that by having two 12v panels so I could choose series or parallel, it turns out I can swap the batteries around instead.
So now I am working on how to do all that and figuring if it is worth the bother. I am especially intrigued by the 230w's Isc being higher in proportion to the 130w's Isc That 16.6 is higher than the 14.5 two 12s would get me.
230/130 x 8.2 = 14.5 and 2 x 8.3 = 16.6
I was thinking I could get 14.5 instead of 13.5 but now it looks like I could get 16.6. (ie 16.6 worth by getting 8.3)
I would need some 12v for the rig during the day (very light loads) and go back to 12v just before supper until next morning. The mechanics of that are a separate issue but seem not very difficult.
I said before that I would prefer MPPT in Spring and Fall and PWM in Summer. I thought I was stuck because I have only one 24v panel.
To get out of that by having two 12v panels so I could choose series or parallel, it turns out I can swap the batteries around instead.
So now I am working on how to do all that and figuring if it is worth the bother. I am especially intrigued by the 230w's Isc being higher in proportion to the 130w's Isc That 16.6 is higher than the 14.5 two 12s would get me.
230/130 x 8.2 = 14.5 and 2 x 8.3 = 16.6
I was thinking I could get 14.5 instead of 13.5 but now it looks like I could get 16.6. (ie 16.6 worth by getting 8.3)
