When we're multi-tasking, every minute counts.
The folks at UNU know that and created the Ultrapak to maximize the limited amount of time available to keep their electronic gear up and running. The conventional way of dealing with a low battery is to plug the phone into a wall. In 15 minutes an iPhone 5 will have 9% power, and a conventional AC charger will have 11% power. With the UNU Ultrapak, 15 minutes charges it up to 75% power, enough to power your phone for the day. Go about your business with your Ultrapak plugged into the phone and let the phone charge normally, away from AC power. UNU says their Ultra-X battery packs collect energy at record speeds –up to 8X faster than conventional recharging methods. To achieve such charging speeds, Ultra-X deploys a much stronger charging input, rated at 31.25W. This means that within approx 15 minutes the Ultrapak has stored the equivalent of a full iPhone 5 battery. I drained the battery on the Ultrapak Go to zero, then plugged it into AC power. Using a stopwatch, the Ultrapak Go was up to 76% power in 15 minutes. Pretty amazing. It takes less than another 15 minutes to fully charge it 100%. UNU says traditional charging methods serialize all battery cells and charge them one at a time. Their Ultra-X charges several battery cells in a parallel sequence, utilizing the highest power possible. An IC chip is deployed to monitor the charging process of multiple cells simultaneously to ensure safe heat levels. Be aware that the Ultrapak does not increase the charging rate of the device it's charging. The increased charging rates happen when charging the Ultrapak. There are currently two models: Ultrapak Tour ($99.99) 10,000mAh with two charging ports. and Ultrapak Go ($59.99) 3,000mAh ultra-portable w/ one charging port. They’re available on the UNU site starting August 25, 2014 and on Amazon starting August 31, 2014.
Company website: http://www.myunu.com/ultrapak-go-battery-pack.html
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