Good device. Ease of installation. Tells me how many amps I'm drawing from the battery when the power goes out. Also tell me how much it costs if no load is pulled. Can't tell how accurate the readings are, ahh, but amps and volts are amazingly accurate just measuring through a 100 amp shunt. Worth the price for the cool blue stats meter alone, which probably won't interest anyone but you when you look at it.
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