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Connecting load and battery on a solatr controller
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<blockquote data-quote="Geoff1946" data-source="post: 484365" data-attributes="member: 28452"><p>Based on the one and only system I have experience of, I believe the solar controller works on the voltage it sees at its output terminals.</p><p></p><p>If it's around 14.4 volts, i.e. fully charged battery with no load, then it will go to trickle charge/float mode. If the voltage is lower, either because the battery is not fully charged or because current is being drawn by an external load, then the controller will increase its output.</p><p></p><p>The solar controller doesn't, "know", where its output is going.</p><p></p><p>It's exactly the same as your car alternator. Switch on the headlights with the engine off and the lights draw from the battery. Now start the engine and the lights will go brighter as the alternator increases the voltage; some of the current is supplying the lights, the rest is recharging the battery. The alternator doesn't know where its output is going. Does that help?</p></blockquote><p></p>
[QUOTE="Geoff1946, post: 484365, member: 28452"] Based on the one and only system I have experience of, I believe the solar controller works on the voltage it sees at its output terminals. If it's around 14.4 volts, i.e. fully charged battery with no load, then it will go to trickle charge/float mode. If the voltage is lower, either because the battery is not fully charged or because current is being drawn by an external load, then the controller will increase its output. The solar controller doesn't, "know", where its output is going. It's exactly the same as your car alternator. Switch on the headlights with the engine off and the lights draw from the battery. Now start the engine and the lights will go brighter as the alternator increases the voltage; some of the current is supplying the lights, the rest is recharging the battery. The alternator doesn't know where its output is going. Does that help? [/QUOTE]
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Connecting load and battery on a solatr controller
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