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redpoint5 · 01-16-2014, 07:59 PM

I like to have more precision and prefer a digital readout instead of colors to indicate ranges. For that reason, I have one of these

LED Car Battery Electric Cigarette Lighter Voltmeter Voltage Meter Gauge Tester | eBay

The downside is that it consumes 40mA and can drain a battery if left in a plug that maintains power after the vehicle is turned off.

01-16-2014, 07:59 PM	#4 (permalink)
redpoint5 Human Environmentalist Join Date: Aug 2010 Location: Oregon Posts: 12,508 Acura TSX - '06 Acura TSX 90 day: 24.19 mpg (US) Lafawnda - CBR600 - '01 Honda CBR600 F4i 90 day: 47.32 mpg (US) Big Yeller - Dodge/Cummins - '98 Dodge Ram 2500 base 90 day: 21.82 mpg (US) Chevy ZR-2 - '03 Chevrolet S10 ZR2 90 day: 17.14 mpg (US) Model Y - '24 Tesla Y LR AWD Thanks: 4,222 Thanked 4,399 Times in 3,372 Posts	I like to have more precision and prefer a digital readout instead of colors to indicate ranges. For that reason, I have one of these LED Car Battery Electric Cigarette Lighter Voltmeter Voltage Meter Gauge Tester \| eBay The downside is that it consumes 40mA and can drain a battery if left in a plug that maintains power after the vehicle is turned off. __________________ Gas and Electric Vehicle Cost of Ownership Calculator Give me absolute safety, or give me death!