"UNU’s Ultrapak portable batteries can be recharged up to 8X faster than the competition According to 9TO5Mac.The Ultrapak Go is the newest advancement in charging technology. With the ability to recharge itself up to 8X faster than conventional batteries, the Ultrapak saves one of your most important assets: time. It allows users to be able to charge up significant amounts of energy via the Ultrapak so that they can have enough power to charge their devices all day! In just 15 minutes, the Ultrapak has stored up enough energy to power to fully charge a smartphone. Tech Specs:
-Add 150~200% to smartphones, 100~150% to large screen phones, 30%~40% to tablets
-Input: 5V / 1.5A (max)
-Output: 5V/1A + 5V/2.1A
-Size: 3.5 x 1.75 x 0.75 inch; Weight: 3.5 ounce
-Material: Lithium-ion Battery Cell
-Box Content: Ultrapak Go Battery - 3000mAH, Wall Adaptor, MicroUSB to USB charging Cable, 1 Year Warranty"