My JVC battery does not fit 100% on the supplied battery Amazon. It looks as though contact since and the locking clip engages. But even when something harder camera parking or the battery wiggle and the original battery falls from the delivered product here. That can not really be. Would also be to get over, but unfortunately the battery is charging not to! I can not use it! I put him to the charging cable, nothing happens without the JVC camera and this. I put to the original battery with on starts the charging process, but only until the JVC battery is full. The accessory battery will not charge !!! If the problem is to run only on my battery or the production-related and so I need an extra charger? Above is yes that you can load with the original JVC charger ...