Activ Energy Super Alkaline Batteries | ALDI REVIEWER
4x VARTA High Energy AAA LR03 4903 MN2400 1.5V German Batteries | eBay
4/10/ Aaa Batteries,1.5v Aaa Alkaline High-performance Power Batteries, With Long-lasting Power For Flashlight, Toys, Remote Control (non-rechargeable) - Temu
3 x AAA Battery Holder with On/Off Switch and 2-Pin JST : ID 727 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits