80 Watt Solar Panel
How to increase current to charge battery faster? 80 watt Solar panel?
I have 80 watt solar panel, solar control and two batteries. A marine deep cycle battery and car battery. Am test how long does it take to charge the batteries completely. Im on day two and still nothing. Is there a way I can charge the batteries fast? Do I need to increase the current? The solar panels are connected in series.
Here are the specs on the deep cycle marine battery.
700 MCA
85 Amp Hour
It’s 12 volts
12-volt panels actually put out 14 to 17 volts which is necessary to charge a 12-volt battery. If you are using 12-volt panels and 12-volt batteries, the panels should NOT be in series unless the batteries are also in series and the charge controller is rated at 24 volts. Two non-similar batteries in series may not work well together.
Power (watts) = amps X volts, so an 80 watt 12-volt panel puts out 80/12=6.67 amps which should charge a battery overnight.
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