Maximize your Handycam camcorder recording times with the InfoLithium L series rechargeable battery pack. Now with 30% more stamina than the previous rechargeable battery pack, this battery provides up to eighteen hours of continuous recording time. The features includes a built-in microprocessor that accurately calculates the remaining power within minutes. It also doesn't have the memory effect found in other batteries, so you can charge it at any time, regardless of how much charge is remaining.