Kastar 4x 2/3AAA Button Top Battery for Alpine SLA390 2/3 AAA Battery Multicolor | eBay
Amazon.com: PKCELL 1.2v 400mah 2/3AAA NiMH Rechargeable Battery with Button Top (20)(Not Full Sized AAA Batteries) : Health & Household
Amazon.com: DURNERGY 6Pcs 2/3AA Batteries NIMH Rechargeable Battery 1.2V 650mah Button-Top Battery for Digital Camera Solar Lights Printers (1.18 * 0.59 inch, 2/3AA, NOT AA or AAA Size) : Health & Household