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| Solar Panels, 800 watts of mix brand name modules, Four are Evergreen 115 watt. Two are Sunwize 90 watt and the top two are Shell 85 watt. All of the above modules are 17.1 and 17.2 volt panels. I have paired them into twos to create a 24 volt array. Then they are all connected together to build amps. As long as your voltage and amps on the modules are the same you can group them or pair them. In parallel the amps add and in series the volts add. As in the solar panels pictured. The solar panels are matched up with |
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| panels with like amps and volts in series. Then the 4 sets of two modules are hooked in parallel to add up the amps. This minimized any loss. Side Note If you put a 16.5 volt 8 amp solar panel with a 17.2 volt 7 amp panel wired in parallel, you will get 15 amps at 16.5 volts. If you were to wire the same two solar panels in series it would add voltage so you would have 33.7 volts but would only have 7 amps. You lose amps when you wire in series and you lose volts wired in parallel. If you have an 8 amp solar panel hooked to a 7 amp panel, the 7 amp is the bottle neck. You can not push 8 amps of current through an opening that was made for 7 amps. So that is why you would have 7 amps at 33.7 volts. Really there is more to it but that is the simple way to put it. These two solar modules will not match at all in parallel or series. You would need a charge controller for each. Discounted Solar Panels Price List or visit our Spec Sheet Library |
Solar Panels, Mixed Sizes, Volts and Amps
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