According to the unveiling last December of OnePlus, the official Power Bank which boasts 10,000 mAh of capacity, will go on sell tomorrow for just $15. You will be able to get this Power Bank with colors that match your One smartphone from OnePlus online store.

“Ready…Charge!”. The teaser image that OnePlus tweeted last Friday had confirmed the launch day of this Power Bank. It is on March 17^th. The device is expected to be sold in all markets that OnePlus currently does business, including the US and Europe.

The OnePlus Power Bank is a 10,000 mAh battery featuring two USB 5V / 2A output, which is approximately 5.5 hours of charging. It also offers built-in protection from overcharging, overheating and short circuits, and 4 LEDs that show you how much battery power remains.

“Featuring world-class lithium-polymer technology, our Power Bank is surprisingly lightweight and easy to tote,” OnePlus boasts. “At the airport or in the great outdoors, never again worry about straying too far from an electrical outlet.”

“Sleek lines, gentle curves, and an emphasis on minimalism”, described by OnePlus, “create the ideal companion for your OnePlus One”. This design makes Power Bank much more attractive than any other external packs. Also, it will be sold in Silk White and Sandstone Black colors, which match the two colors of the OnePlus One smartphone.

The Power Bank is really an ideal companion of your OnePlus One or other smartphones, tablets if your devices frequently run out of battery before the day ends and you can’t get find any electric outlet nearby.