Battery Clips with Alligator Clip Leads | Flinn Scientific
Amazon.com: Trenro 10 Pack 9V Battery Clip Connector, I Type Faux Leather Long Cable Housing, Black : Electronics
Amazon.com: 9 V Battery Clip Connector, I-Type 9 Volt Battery Clip, 9V Battery Buckle Connector Hard Buckle Plastic Housing and Black Red Wires Leads Iength 5.9 inches (I Type Hard Shell 8PCS) :