Never carry a charging cable again. The mophie power station plus XL universal battery combines a compact design, premium feel and built-in switch-tip charging cable that charges both Apple and micro USB devices. This 12,000mAh battery gives you more than four additional charges on your smartphone or one extra charge for your tablet. A second USB port lets you charge two devices at the same time. Charging on-the-go is now easier than ever. mophie products go through rigorous testing. Each battery is tested three times to ensure peak performance and safe operation. This is the reason why mophie is the #1 and most trusted brand in portable power.