Best List: Super Charge Powerbank by Quarter

Power banks and external batteries are everywhere these days, including airports, drug stores and (my favorite) at the Apple Store. I’ve used quite a few of them and, while many are kind of cheaply made, a few are pretty well-designed and useful.

Quarter’s Super Charge Powerbank is one of the latter. Just 15 minutes hooked to your MacBook MagSafe power adapter cord will give it enough juice to fully charge your iPhone. You can charge with a typical micro-USB cable, too, but you won’t get that fast a top-off.

T-Mobile is doing pretty hot lately, but it’s unfortunately at Sprint’s expense. While the latter carrier has been declining in market share for the past couple of years, it’s finally now in last place out of the four major U.S. wireless carriers. T-Mobile snatched the bronze model.

In the quarterly earnings call, Sprint said it had 57.7 million customers with a net gain of 675,000. T-Mobile, however, gained 2.1 million customers last quarter for a grand total of 58.9 million.

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Google stock has risen 13% today, surpassing $1,000 for the first time ever. It comes a day after the search giant announced its earnings for last quarter, which beat Wall Street expectations thanks to a surge in mobile and video advertising that helped increase quarterly revenue by 23%.

T-Mobile finally started selling the iPhone back in April, and it has already been a successful move. In its financial report for the first quarter of 2013, which was published this week, the carrier reveals that it sold half a million iPhones in less than a month.

Apple will announce its second quarter financial results at 5 p.m. EST today, and this could be one of the company’s most interesting earnings calls for some time. Wall Street has been less than optimistic about the Cupertino company’s recent performance, and some believe that Apple will post its first quarter of negative growth income for over a decade.

But some analysts are a little more positive. According to averages put together by Yahoo! Finance, Apple is likely to announce revenue between $41 billion and $43 billion for the second quarter, with margins between 37.5% and 38.5%.

AT&T announced its financial results for the second quarter of 2012 today, and yet again the iPhone driving the company’s sales. Of the 5.1 million smartphones the carrier sold, a whopping 72.5% were iPhones.