1Pc D Size 4-Cell 6V Battery Holder Case Storage Box Container with Wire Cover | eBay
4x AA battery holder (Total 6v)
2 x CR2032 Coin Cell Battery Holder - 6V output - On/Off switch : ID 783 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits
6v 4 X Aa Battery Holder Case Slot Holder Plastic Storage Box With Off/on Switch Wires For Rc Parts For Output Dc 6v - Battery Storage Boxes - AliExpress
6V 4 AA Battery Holder with Switch
DC 6V AA Battery Holder Battery Box With Power Switch