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Question from Celina Y.: I have a question about battery backup devices, Rick.
I went to Office Depot to buy one for my iMac and the man I talked to said I needed to pay extra for one that provides “Pure Sine Wave” AC current.
He said the cheaper “Modified Sine Wave” models can damage my iMac because it was designed to only accept only a pure sine wave signal.
I’m a very frugal person and I’d hate to waste money by buying a battery backup that’s more expensive than it really needs to be, but I don’t want to damage my computer either.
What’s your opinion on this? And if you don’t mind, can you recommend one that would be a great fit for my iMac?
Rick’s answer: [Read more…]