I returned the Renogy charge controller because it was putting out too much RFI and completely deafening my shortwave radio. This Victron controller emits very modest amounts of radio interference that I can live with. . The build quality is absolutely top notch - everything feels like a solid piece of metal. I really miss the Renogy's LCD; I had to install a built in meter (not cheap) to see amps/watts/volts. But Bluetooth is good; I can test the controller from my phone almost anywhere in the house and the iOS app is really handy.
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