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Old 04-10-14, 10:56 PM   #12
OffGridKindaGuy
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The source side is to the battery and the load side is to the battery connections on the charge controller.

I believe that you have it connected backwards. You're source will be the charge controller and the load will be your battery. Connected in this fashion will tell you how much charge you are getting to the battery..

If you plan to monitor your load from the battery to whatever, the unit needs to be installed between the battery (Source) and the item you want to monitor. (Load)

"Source" (in) "Load" (out)

Quote..
You can think of the Watt Meter as a set of jumper wires. Connect it in the same way and you can measure what the jumper wires are connected to. Like jumper wires, the Watt Meter is essentially a direct connection between same colored SOURCE and LOAD wires, i.e. both the SOURCE and LOAD leads are electrically “hot” when a battery is connected to either side. Current flows from SOURCE to LOAD. Make sure connections are secure to prevent component damage!

http://www.vshopu.com/item/2118-0803/GTP-wattmeter.pdf
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