T-Power Ac Dc Adapter Compatible with SAM Match Mate Tennis Sam P 4 Ultimate Tennis Ball Machine Replacement Switching Power Supply Cord Charger Spare

hello everyone today we're going to replace the battery of the tennis tutor junior machine remember it's only the junior machine okay the other machines are different very different what we're going to need are three things a screwdriver wrench and a vom meter to open it's actually on the side right here there are these screws there are two on this side one on this side two up here somewhere and two down there okay i want to show you two down there so there are seven okay to make it easier i've got them all down except this one okay so get this guy out of here okay then all seven screws are out right this thing comes down like this okay you can see there's a lot of uh hair from tennis balls maybe branch pine needles okay and this is the battery right here this is the battery you can see disconnects are here positive negative okay i just want to show you these are supposed to be like 12