Not much to say about this charger. Basically, it's a necessity that Sony should be building into their cameras, but since it doesn't, you'll end up buying one. You can charge one battery while using the camera, or charge a second battery in the camera itself. So it does what it says on the tin and I would highly recommend it to anyone who takes their Sony camera with them when they travel. Traveling or any other place where you need to charge the battery while using the camera. Unfortunately I can't recommend Sony in general as they miss this important element even in their $800 cameras when Canon gives you their $100 camera equivalent.
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