Don’t get caught using the wrong battery, get this Lithium-Ion Battery Pack. Use it with your Sony camcorder or digital camera for up to 3 hours. The built-in microprocessor will accurately calculate the remaining battery life (measured in minutes) so you’ll know when to shoot and when you need another battery.

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Buy Sony NPFM50 InfoLithium Battery for Various Sony Camcorders & Digital Cameras at Amazon