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Inverter putting out 98 volts

tealboy
Explorer
Explorer
I'm using a power line cigarette lighter plugin style inverter for inside the cab, running my computer and periodically, for a 32 inch tv for tailgating. I have never checked the voltage until today and was surprised at how low it was.

Is this normal? Is it problematic for my tv, a med size fan or my computer? Worried about damaging the electronics but maybe it is fine. The inverter is a cheap one, maybe $20 or so.

Battery is new reading 12.5 volts and using a basic inexpensive meter to read output.
18 REPLIES 18

Bill_Satellite
Explorer II
Explorer II
The Modified Sine Wave inverter will not show the proper voltage when using a standard Multi-Meter. I suspect all is well but the meter is wrong.
What I post is my 2 cents and nothing more. Please don't read anything into my post that's not there. If you disagree, that's OK.
Can't we all just get along?

tealboy
Explorer
Explorer
MrWizard wrote:
Did you read this with devices on, a load
Or
Just at the inverter with nothing else connected

The second method will never give a correct reading


No load, just connected to the battery. Reading that I need a true rms volt meter instead of my basic one or will never get a good reading

I added a light load and it went to 110 and up to 118 with a medium load so maybe the no load situation was the problem?

MrWizard
Moderator
Moderator
Did you read this with devices on, a load
Or
Just at the inverter with nothing else connected

The second method will never give a correct reading
I can explain it to you.
But I Can Not understand it for you !

....

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1997 F53 Bounder 36s

pianotuna
Nomad III
Nomad III
Modified Sine Wave won't necessarily give correct voltage readings.

How much extra heat are the power bricks producing when using the unit?
Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp-hours of Telcom jars, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.