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) :
9 volt Battery Snap Connector With Hard Plastic Cap - 2 pack - Philadelphia Luthier Tools & Supplies, LLC
24awg Ul Wire ) Snap Battery Clip Connector T-type I-type Holder With 15cm Cable Lead Power Adapter For 9v 9 V 9volt Batteries - Buy Two 2 Wired Leads Wires Y
2 Pcs 9 Volt Battery Clip Connector I Type Hard Shell Buckle Holder 15cm Wire - Walmart.com