A remote control system can comprise a first remote control having a front side, a backside, and a first battery configured to provide a first electrical power to the first remote control. The front side can comprise at least a first button configured to wirelessly control a first device. The backside can comprise a battery access opening configured to enable replacing the first battery. As well, the remote control system can include a second battery cover that can block the battery access opening. The second battery cover can include a second remote control having a second battery configured to provide a second electrical power to the second remote control. The second remote control can be configured to wirelessly control a second device.