Charge controller recommendations
I have a small solar charging system consisting of two 12v 75w panels wired in series and a failing cheap MPPT charge controller. I may be acquiring another identical panel too. I'm currently leanin...
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That doesn't sound right. You mentioned Voc = 21V. Connect two panels in series and you get 42V, not 12V.
As mentioned before, your best bet is to connect panels in parallel and use a pwm controller.
http://www.ebay.com/itm/5-30A-Solar-Charge-Controller-Regulator-12V-24V-Battery-Charging-PWM-Solar-Panel-/221142180373?pt=LH_DefaultDomain_0&var=&hash=item337d19e215
As mentioned before, your best bet is to connect panels in parallel and use a pwm controller.
http://www.ebay.com/itm/5-30A-Solar-Charge-Controller-Regulator-12V-24V-Battery-Charging-PWM-Solar-Panel-/221142180373?pt=LH_DefaultDomain_0&var=&hash=item337d19e215
BillyW wrote:
As for the 6 volt comment, if they are in series, they should be equal to a 12 volt panel.
