
Late last year, Mophie unveiled its latest lineup of Powerstation external batteries, offering a number of slim new options for recharging mobile devices on the go. The lineup includes five models: 1X (2,000 mAh), 2X (4,000 mAh), 3X (6,000 mAh), 5X (10,000 mAh), and 8X (15,000 mAh), with prices ranging from $40 to $150. Mophie's Powerstation batteries are available from a number of outlets, including Apple's own online and retail stores for most of the lineup.

Mophie sent me both the 2X and 8X varieties for testing purposes, and I've been using them as my primary external batteries for the past several months.
Design
Mophie's batteries certainly aren't cheap, but they do come in appealing designs using high-quality materials, so a bit of a price premium is to be expected. The casings of the latest Powerstation models are made entirely or almost entirely of aluminum with a matte finish, nicely complementing Apple's most popular silver color. They feature a slim design that makes them easy to slip into a purse, bag, or even a pocket for the smaller versions, along with a substantial, high-quality feel. A button and four LEDs along the side of each battery makes it easy to quickly check approximate charge level. As is typical of Mophie products, the Powerstation design and feel are terrific.
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Article Link: Review: Mophie's Latest Powerstation Batteries Pack Power and App Integration Into a Slim Design