Posts Tagged Under: battery

How Much Does It Really Cost to Power Your Gadgets?

Photo by Álvaro Serrano on Unsplash

Ever felt guilty for charging your phone in someone else’s house? Well, don’t. The annual cost of charging a typical smartphone every single day is 25 cents. Not 25 cents a day, but 25 cents a year.

It’s not too different with your other gizmos. A tablet costs just over a dollar to charge annually, and that’s only if you plug it in every day. With a device like the iPad – which lasts for days without a charge – that number is even smaller. What about your laptop?

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Why Tesla Must Get Back To Edison

Immediately after Tesla released Tesla Powerwall, the Internet was flooded with lots of articles discussing the real pricing of the new Tesla product. You do not have to be a genius to notice that Powerwall is not economically efficient. Even the economics behind lead acid batteries based systems is debatable, although these batteries cost three times less than the Li-Ion batteries used by Tesla.

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