2/3 AAA NiMH Button Top Batteries (300 mAh) (2) : Health & Household - Amazon.com
Amazon.com: ULTRALAST ULN423AAASL - 2/3 AAA (Two Thirds Triple A Battery) Solar Batteries for Outdoor Solar Lights - NICAD 1.2 Volt, 150mAh, Rechargeable Battery Pack for Garden Lighting - Recharges Up to
10PCS 1.2V 2/3AAA ni-mh rechargeable battery 400mah 2/3 AAA nimh cell with NO welding tabs for LED solar light