Tenergy Premium PRO Rechargeable AA and AAA Batteries Combo, High Capacity Low Self-Discharge 2800mah AA and 1100mAh NiMH AAA Battery, 8 Pack, 4 AA and 4 AAA - Tenergy Power
Amazon.com: Duracell Optimum AAA Batteries | 4 Count Pack | Lasting Power Triple A Battery | Alkaline AAA Battery Ideal for Household and Office Devices | Resealable Package for Storage : Electronics