9 volt Battery Snap Connector With Hard Plastic Cap - 2 pack - Philadelphia Luthier Tools & Supplies, LLC
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
GOTOH BB-04W Double 9 volt Battery Compartment Box - Black - Philadelphia Luthier Tools & Supplies, LLC
9V Battery Connector Snap Clip Power Adapter T type I type Dual Wire Holder Cable 9Volt 15cm Lead Socket Plug Buckle Connection|Connectors| - AliExpress
2x Dual Place 18650 Battery Holder with Wires
9V Battery Compartment, Dual :: Battery Snaps, Holders :: Power :: Electronic Parts :: Banzai Music GmbH