what charge controller do I need for a 250watt panel

Quick question. I just bought two 250 watt solar panels rated at 8.27 amps & 37.7 volts each. Can I connect them in parallel to my existing pwn charge controller rated at 42 volts maximum solar input voltage and 30 amps rated load and charge current.

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My system consist of 24 volt batteries

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mawhelchel99 said:

however putting it in series seems the best choice.

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600v is.....well 600v! 550v above the upper limit for most DIYs looking for info regarding solar.
600v should be up on the roof, away from everyone, and connected to your house and mains by a qualified person who would be more interested in getting the commission from selling you new panels.

What I would do with 36 used panels. I only have 22 so far.
Connect 12 in // to a 24v 1000w heating element at the base of HWS that preheats the water going to your installed one. (or variation of this to offset the inefficiency of the double conversion with the PSU.)
The remaining 24- Convert to 12v and for $500 - 10x 30A PWMs(AliEX), 1500w inverter(local), 1500w PSU(AliEX), 2 sets of Supercaps(AliEx) and then use your time working out how to improve the cost effectiveness with batteries.

600v is.....well 600v! 550v above the upper limit for most DIYs looking for info regarding solar.600v should be up on the roof, away from everyone, and connected to your house and mains by a qualified person who would be more interested in getting the commission from selling you new panels.What I would do with 36 used panels. I only have 22 so far.Connect 12 in // to a 24v 1000w heating element at the base of HWS that preheats the water going to your installed one. (or variation of this to offset the inefficiency of the double conversion with the PSU.)The remaining 24- Convert to 12v and for $500 - 10x 30A PWMs(AliEX), 1500w inverter(local), 1500w PSU(AliEX), 2 sets of Supercaps(AliEx) and then use your time working out how to improve the cost effectiveness with batteries.

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