If you received your remote control before July 1st, 2020 it will have to be charged using the included USB cable (or any USB Micro B cable - the connector looks like the image below). Performance will start to decline after 3 hours of being in the "on" position. If the unit is not responding normally, try charging the remote control as often this is the issue.
We recommend turning the remote control off anytime you are not actively using it. By doing so, one charge on the controller should last you over 100 play sessions!
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If you received your control after July 1st, 2020 it will NOT need to be charged. It comes with a disposable CR123A battery (also might be called A123) that can be purchased anywhere batteries are sold. They look like short double A batteries. This image shows only a sampling of the brands, and even variations within the brand. You should not have a problem finding the battery when it comes time to change it. You can select your favorite brand (not all brands are shown here).
You can download the latest version of the Welcome Manual by going to www.swiftpaws.com/getstarted under the "Click for Downloads" & clicking on the Welcome Manual link