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Title: Sony Infolithium Battery NP-F550
Review: It is good idea to buy used but in case of batteries one should at least know how many hours it has been used,If one can get hardly used battery used once or twice,It will be a big saving.I have bougt a new Camcorder DCR-TRV720E with a NP-F330 battery,with 4 inches screen I need more power of battery if i use my Camcorder throgh screen It can last only one hour, With NP-F550 it will work for two and half hours, if I use with view finder it can last for five hours, but i need more than that which I think will be NP-F960 if I get one with a special price it will be big saving.TanksWaseem
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