External batteries for mobile devices

On Monday, Sony announced the imminent presentation of a new line of external batteries for smartphones and tablets. Available capacity - from 3500 to 7000 mAh, weight - 198g., Dimensions - 130.6 * 12.9 mm.

In fact, the size of the same smartphone.
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Charges from USB, withstand about 500 recharges, the smartphone will fully charge an hour and a half.

If these batteries seem too healthy to you, wait a bit - Sony will release and reduce.

Batteries will go on sale in the fall, the average retail price - from $ 30 to $ 90 (depending on capacity).

Engadget