Bullet Point 1 Kastar replacement battery for Sony NP-FM50 Bullet Point 2 Battery Type : Lithium-Ion; Battery Voltage : 7.4 V Bullet Point 3 Battery Capacity : 2300mAh Bullet Point 4 Compatible with the original battery and charger Bullet Point 5 Package Includes : 1 Battery Description Details 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. Quality Price Value