Amazon.com : 100-240V to 3V-12V Adjustable Power Supply AAA Battery Eliminators AC-DC Adapter LR03/AM4/AAA Dummy Battery for Toy Remote Controls LED Lamp : Electronics
Amazon.com: theeasyhomelife 4 X Pack Dummy Battery AAA 3a Size Placeholder Cylinder Conduct Conductor Electric Current False Reduce Voltage Not Real Batteries Spacer : Electronics
Reuse AAA Dummy Batteries Detachable USB/Type C Power Supply Cable for AAA Battery,Replace AAA Battery for LED Toys
Amazon.com: Labstandard Power Adapter,Type C USB to 6V AAA Dummy Battery Eliminate Cable with Switch for Remote Control Radio Led Light : Electronics
Battery Eliminator - AAA Wired / Active Cell - "fake AAA battery with wires"
USB C to 1V-24V Adjustable AA+AAA Dummy Battery for Clocks Flameless Candle Toy - Walmart.com