How to Make a 9 Volt Battery Connector at Home | Make Battery Holder | Connector Clip Easy and Free - YouTube
Amazon.com: Battery Tender Alligator Clips Accessory Cable with Quick Disconnect Harness for Battery Tender Battery Chargers and Maintainers : Automotive
Amazon.com: 9V Battery Connector,10 PCS T-Type 9 Volt Battery Buckle Connector Hard Buckle Plastic Shell Used in Student Experiment,or Other Equipment with 9V Battery(T-Type, 10PCS) : Electronics