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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)
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2 x ER14335 2/3AA Size 3.6V Lithium Primary Battery for Specialized De – Battery World
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