Eneloop rechargeable batteries. Tests and more in 2023
Battery Panasonic Eneloop Lite Dect Finger Aaa 1.2 Volt 550 Mah Nimh Milliamperes Per Hour Ma H 1.2v 1,2 V Accumulator Storage Akb 1.2volt 550mah Rechargeable Bl2 - Rechargeable Batteries - AliExpress
Eneloop - Wikipedia
6 x Panasonic eneloop LITE AAA 550mAh batteries Ni-MH Rechargeable HR03 BK-4LCCE 5410853052753 | eBay
Rechargeable Battery Panasonic Eneloop LITE R03 AAA 550mAh (2 units)