Snap 9V (9 Volt) Battery Clip Connector I Buckle Type Black w/ Cable - Walmart.com
Dual 9V Battery Connector (Parallel Wired)
HQRP 9V Battery Snap Connector and USB Step-Up Module Converter for 9-Volt / Radio / Square / 6LR61 / 7.2H5 / 6KR61 / 6HR61 / PP3 / MN1604 Clip Holder Cable Power Supply Cord + Coaster - Newegg.com
9V Battery to DC Plug Adapter Cable - ProtoSupplies
20 pcs 9V Battery Connector Snap Clip Power Adapter T type I type 9 V Dual Wire Holder Cable 9Volt 15cm Lead Socket Plug Buckle|Integrated Circuits| - AliExpress
9V Battery to 3.5mm Phone Connector Adapter – Division 6
BP0008-9V - 9 Volt Battery Connector. Special Order. Non-Returnable.
Amazon.com: 10-Pack of 9V Battery Clip Connector Buckle Plastic Housing, Dupont Pins, 15cm Black and Red Wire Leads, Jumper Wire for Breadboard : Electronics