Good batteries not UK plug,
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This review is from: Wasabi Battery & Charger Kit for Contour GPS Camera, Contour Plus HD Camcorder (Personal Computers)
Bought these as the Contour supplied battery wasn't holding its charge well. These are rated at 1300mAh whereas the Contour is 1050mAh, so they last longer - over 1.5 hours of continuous filming. The adapter didn't have a UK plug.