AC-DC 3V-12V Power Supply Adapter for 2-8 AA Battery for LED Light Decorations - AliExpress
Panasonic CR3032 3V Lithium Coin Cell Battery
Amazon.com: LR6 AA Battery Eliminator, AC to DC 3V 4.5V Power Supply Adapter,3 Connectors, Replace 2 or 3pcs 1.5V AA Battery,for Decorations LED Light,Indoor and Outdoor : Electronics
DURACELL, Lithium, 1,470 mAh Capacity, Battery - 24T963|8000-0807-01 - Grainger
PANASONIC, Lithium, 1,400 mAh Capacity, Battery - 36E896|4588183 - Grainger