Pearstone's NP-QM71D Lithium-Ion Battery is a replacement for Sony InfoLithium M Series batteries. The NP-QM71D displays remaining battery time on the camera LCD as well as in the viewfinder by continuously communicating with the camcorder. The battery pack has a built-in micro processor that accurately calculates remaining battery life in minutes. In addition, this battery features super fast charging that allows it to power up nearly 3 times faster than regular lithium-ion batteries.
NP-QM71D Info-Lithium Battery Pack (7.2V, 2800mAh)