Dollar Store Lithium Batteries and Coin Battery differences - YouTube
If you use batteries do yourself a favor and grab one of these. So many times you think all of the batteries are dead on a trail camera or kids toy and
Amazon.com: Christmas Snowflake Lights, 20 FT 40 LED Battery Operated String Lights with Remote, 8 Modes Timer Waterproof Hanging Decor Bedroom Room Party Wall Indoor Outdoor Xmas Tree Decorations Warm White :