A9345217, Set of battery compartment, 4 x AA - OKW
Waterproof 3xAA Battery Holder with On/Off Switch : ID 771 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Original Battery Compartment of ST13RTF – iTouchless Housewares and Products Inc.
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Amazon.com: Yanmis Battery Holder, 10pcs 2X 3X AAA Battery Power Case Plastic Box with Wire Applicable for Electronic Toy Home Appliance Remote Control(2X AAA) : Electronics