Motorola may face a new contender to the Droid RAZR MAXX HD's battery capacity crown. Lenovo's quietly introduced IdeaPhone P770 at least theoretically challenges its American counterpart by cramming a 3,500mAh lithium polymer battery into a thicker 11.9mm (0.47-inch) body. That's 200mAh more than Motorola's energy champion, and enough for the company to flaunt a 29-hour talk time. That's not quite as long as Motorola's claimed 32 hours, but Lenovo has done something its A
