Rechargeable batteries

[post2089 0]

I was looking to buy an extra battery for my camera and I looked on B&H and they sell a sony battery model NP-FM50 which is 7.2V and 8.5Wh and my battery that came with my camera is Np-FM30 7.2 and 5.0Wh when I look for a battery do i have to match both V and Wh or just V i am kinda lost and wanted to know if any 1 could he me???

[Guest]

just the volts al least on my camera my batteries just have to match the volts

[post2089 0]

Thanks

[Guest JQP442]

you can get it at

http://www.ebatts.com/312_+_1_battery_part...0≡=NP-FM30

[WAS967 97]

The voltage part is the most important. Too low and your camera won't work. Too high and your camera could be damaged. The Wh (WattHours) is a gauge of how LONG the bettery will last. An 8.5Wh battery will last about 40% longer than 5.0Wh one.