For those customers interested in taking advantage of the iPad Air's ability to allow other devices to tap into its LTE data connection, Apple's latest iPad continues to offer a robust 24 hours of battery life as an LTE hotspot, far more than dedicated MiFi hotspot devices, reports AnandTech. While the 24-hour hotspot battery life is not new to the iPad Air, confirmation of the feature is comforting given that Apple has taken advantage of more efficient technologies to reduce battery capacity in the iPad Air by nearly 25% compared to the previous two generations without compromising performance.I set the iPad Air up as a personal hotspot, wirelessly tethering it