XCell X1/2AAAH-350 Non-standard battery (rechargeable) 1/2 AAA NiMH 1.2 V 350 mAh | Conrad.com
AAA battery - Wikipedia
ZNTER AAA 1.5V 400mah USB Rechargeable Battery Rechargeable Li Polymer Battery Quick Charging by Micro USB Cable Drop shipping|Replacement Batteries| - AliExpress