Your new TV is all plugged in and ready to go when you realize the remote doesn’t have batteries installed. Fitting your batteries into the remote can feel like a puzzle, leaving you unsure where each battery end goes. Luckily, there are easy ways to remember how to insert batteries that work for all kinds of devices. In this article, we’ll tell you where to find your device’s battery compartment and how to install AA, AAA, C, D, 9-volt, and button batteries.