Velleman BH111D Battery Holder for 1 x D-Cell with Solder Tags, 1 Grade to 12 Grade

This video will show you how to put the 9 volt battery into the 9 volt battery holder. So your holder might have a small Phillips head screw holding the lid on, so use a tiny screwdriver to remove that screw, and then you can put the screw aside because you don't really need it to hold the lid on. Now slide the top cover of the battery holder off by pressing down and sliding outward. You've removed the cover, you can put that aside for now. Now take the 9 volt battery. Note how it has two snaps on the top, a male snap connector and a female snap connector, and then inside the battery holder there are two matching snaps, a female snap connector and a male snap connector. So what you DON'T want to do, because this is pretty difficult, is put the battery in flat, like this, first, and then try to slide it into the snaps. That's actually very hard to do, because there isn't really enough sp