The elegant, stylish and very useful McKinnon Battery Case for professionals and amateurs can hold up to three camera batteries and store them in a bag clearly and securely. A simple magnetic flap secures the batteries in individual holders. You'll also get six labels that you can put at the end of each battery to remind you when it's time to charge: Once the battery is depleted, simply insert it into the case with the label side up to give you a visual warning when the battery is low and you need it. charge. It will not be necessary to remember which battery is good and which is not. The case is made of durable waterproof nylon to handle continuous use.