CELLONIC® AAA Rechargeable Batteries 1.2v 1000mah NiMH AAA R03 Batteries / LR03 Batteries/Triple A Micro AAA Battery 4 Pack - Pre-Charged, High Capacity and Long Life for Up To 1000 Charges: Amazon.co.uk:
Immense LR03 AAA Alkaline Battery, For Medical Device
Differences and Similarities Between the RO3 and LR03 Battery