Using an Imac with an inverter

I take my Imac with me in my trailer and want to install an inverter so I don't have to run the generator all the time. Will that cause any problems with the Imac?

Imac, Mac OS X (10.4.6), true sine wave versus modified sine wive

Posted on Sep 6, 2006 9:58 PM

Reply
2 replies

Sep 6, 2006 10:15 PM in response to weekendwarrior

Hi,

Inverters come in two basic styles:
1) modified square wave
2) true sign wave(much more expensive 2 or 3 times?)

I have used a number of Apple laptops using type 1 inverters with no problems at all because they convert the AV voltage to 24v DC before it gets to the computer.

Type 1 didn't work with my TV as the switchmode powersupply in the TV needed a true signwave to work(older transformer types will probably work). It all depends on the device powersupply, some switchmode power supplies will work, others will not.

Another issue to take note of is the startup surge when you first turn on a device. This can be much higher than the normal load(esp with CRT TVs).

I would suggest making sure you can return the inverter if it does not work for you.

Sep 7, 2006 7:47 AM in response to weekendwarrior

It'll work just fine. I use a 1200watt Inverter in my Motorhome and it runs several PC's/Mac's, TV, etc.

Buy an inverter advertised for Notebooks that has the capacity of double the iMac. Normal capacity, not surge. The inverter should list both. If it doesn't look for another. The surge capacity will take care of the iMac at start-up. The reason for doubling (as a minimum) is so that the Inverter runs reasonably cool.

Let me re-define doubling, try to keep the inverted at 50-70% load for constant running. It will be cool and quite. Cool is different for all, it simply won't be so hot as to endanger surrounding stuffs.

As running the 1200 is sometimes a waste of precious battery power I sometimes revert to a 400 watt and even a 100 when running just laptop.

Enjoy. Some pitfalls to watch out for is inverter noise. Make sure it's quiet and and has no annoying side-effects, like constant buzzing. It will make a soft noise that is unobtrusive but I've come across some that vere unusable (for me) due to noise.

Of course compared to running the generator it'll be quite anyways 🙂


G5/G4/1.25 MDD, 1ghzTiG4 & ViPod, iSight-iMac, Mini Duo, MBPro17 Mac OS X (10.4.7) Dual booting the Mini/MBP17

This thread has been closed by the system or the community team. You may vote for any posts you find helpful, or search the Community for additional answers.

Using an Imac with an inverter

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.