2/3 AA 3.6V 800mAh Ni-MH Rechargeable Battery (3-Pack)
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Tadiran TL-5955/S 3.6 v 1.3 ah Size 2/3AA # 15-5955-21500
VOLTCRAFT Non-standard battery 2/3 AA Lithium 3.6 V 1600 mAh 1 pc(s) | Conrad.com
TL-5955 - Tadiran 2/3 AA 3.6V Lithium Battery provided by AtBatt.com
Varta CR2/3AA - 6237101301 Battery - 3V Lithium 2/3 AA