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...
Forum Discussion
Salvo wrote:
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
Now I see the concern of dropping to float early.
14. Boost Charge Voltage: 14.6V; x2/24V(time of duration:10 minutes)
15. Direct Charge Voltage: 14.4V; x2/24V(time of duration:10 minutes)
