From Amazon
ANSMANN Alkaline Battery Red Micro AAA Pack of 20
ITS
Ansmann AAA Redline Alkaline 1.5V Batteries - Tub of 20
Conrad Electronic
Ansmann LR03 Red-Line AAA battery Alkali-manganese 1.5 V 20 pc(s)
OnBuy
Ansmann 5015538 Alkaline 1.5V non-rechargeable battery