Review by D. Savaya for Sony NP-FG1 InfoLITHIUM Type G Rechargeable Li-Ion Battery Pack for Sony W & H Series Digital Cameras
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I purchased this upgraded battery for my Sony DSC-W150. The reason I bought this battery is because it actually shows how many minutes are left before the battery dies. The battery that comes with the camera (NP-BG1) shows a simple diagram of how much battery life is left, whereas this one (NP-FG1) gives you actual minutes. I think this is a great feature for a battery. The charge takes a while maybe four hours for the first charge, but after it was fully charged I had almost 3 hours or 170 minutes of battery life available. These batteries are expensive, but I think they’re worth the investment. No complaints here.

Review by chickenbutt for Sony NP-FG1 InfoLITHIUM Type G Rechargeable Li-Ion Battery Pack for Sony W & H Series Digital Cameras
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Well, it’s a battery and it works. I purchased this as an extra for my H50 digi cam. I always buy OEM when I can because I do like knowing I can count on decent quality from Sony.

The one that is in my camera right now I have been using for six days with a lot of shooting and playing with controls, as my camera is fairly new, and it has just dropped down to less than half of availability. I find that above acceptable for battery time, so I am very pleased.

I also appreciate that it comes with a nice, perfectly sized, hard plastic case for storage when not in use.

Review by Alexey Lisovskiy for Sony NP-FG1 InfoLITHIUM Type G Rechargeable Li-Ion Battery Pack for Sony W & H Series Digital Cameras
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I’ve decided to share my experience because some batteries might be not calibrated at factory, I suppose.

I’ve ordered two of these NP-FG1 at Amazon together with Sony H20 Camera for me this November because I purchased Sony W290 with such battery last year fow my wife and that battery is really good.

But with one of these two new I experienced strange issue: once I put it into charger then it took 30 min only until led turned off indicating charging completion. I was surprised because old one required couple hours for that.

I installed baterry into camera and turned it on. Suddenly camera indicated that battery life estimation is 169 min, buf after 2 minutes of working I saw blinking sign in the upper left corner on screen that indicated battery discharge. I put battery in the charger and tried to charge it again – the same story with 30 min.

Then I decided to fully discharge battery because maybe calibration wasn’t done or done with issues. I started slide show that was lasting for 2 hours with blinking battery sign in the upper left corner on screen! Finally I saw “3 min” on the indicator, screen became black with white blinking battery sign in the center and then finally camera went off.

After that I put battery into charger, charging time was as expected and now battery is operating well.