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Problematic for the GH2
on September 28, 2012
Some background info: I've used Wasabi batteries before (for another camera) and they were great, so I decided to buy these when I got my GH2. I use these mainly to shoot video with my Panasonic GH2.
Like the item description says, these batteries are non-decoded, which means your camera won't be able to display its remaining battery life, and it also means there's no communication between the battery and the camera. When the battery dies, the camera won't know to save what you're recording, and you'll lose whatever you were shooting when the camera turns off. These two problems were issues I can deal with, but here's what it doesn't say in the description. Even when fully charged, these batteries do not run consistently. For example, the stock battery will run for about 3 hours when fully charged (depending on how much you use your LCD, if you're taking pictures/videos, etc). Since these Wasabis are rated at 1400mAh and the stock battery is rated at 1200mAh, I assume I'd get about the same usage time with the Wasabis (if not more). Unfortunately that's not the case. Even when fully charged, these batteries will vary in usage time. Sometimes I can use it for 2 hours, sometimes 1 hour, and on a few occasions, it ran for about 15 minutes (even when fully charged). If the battery stops working (and you know it still has juice left), you have to put it back on the charger for a few minutes before you can use it again.
The behavior of these batteries are too random for me to use, and I cannot recommend it.