I was visiting Jake Tapper and his fantastic crew at CNN's program "The Lead."

Thanks to these cats for making me feel at home. Good people. I felt so comfortable in the CNN Newsroom that houses The Lead that I was cool with shouting out to the group -- Does anybody have an iPhone 5 charger I can borrow!?

Nobody had one, however, two folks (TheLead producers Jason Seher and Rick Saleeby) both offered up this seemingly foreign object -- an iPhone 5 case that doubles as a charger/extra battery.

Mophie!. I was shocked I had never heard of this thing. Never even saw it brought up in association with the iPhone 5 battery gripes I come across. But the damn thing worked so well -- and impressed me so much -- that I went to the Apple Store on Fifth Avenue in New York City to buy my own first thing Friday morning.

Mophie is a simple device. You attach it to your iPhone (again, it doubles as a sturdy, granted not-so-light case) and plug it into the wall. At a full charge, the $99 Mophie attachment is merely a battery that effectively doubles the life of your iPhone. Once the Mophie's juice is gone, your iPhone starts using its own battery.

I will never take this thing off of my phone. Ever.

Even under heavy use, my iPhone 5 lasts all day now. 12 to 16 hours easy.

Sure, it brings the cost of a subsidized iPhone 5 up to $300, but who cares? Well worth the expenditure if you use your smartphone as much as I do or worry about being left without it for a period of time.

-- Written by Rocco Pendola in Santa Monica, Calif.
Rocco Pendola is TheStreet's Director of Social Media. Pendola's daily contributions to TheStreet frequently appear on CNBC and at various top online properties, such as Forbes.

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