Amazon Basics 16-Pack AA Rechargeable Batteries, Recharge up to 1000x, Standard Capacity 2000 mAh, Pre-Charged 16 Count (Pack of 1) Performance (2000 mAH) Batteries
LR61 - AAAA - MN2500 Energizer
Battery Eliminator, 4 C or 4AA Battery Replacement - AC Power