Jan 02, 2019 - 06:30 AM
Thank you for contacting Biobidet Support.
The IB-835 Wireless remote has a panel attached to the remote on the back. You will press with firm pressure and slide sideways at the same time until the panel is detacted. This will expose the remote back tabs to open up as with any other remote to change the batteries.
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Source: IB-835 Wireless Remote battery change