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1.2v 2/3AAA Rechargeable Battery 400mAh NiMH Solar Lights Batteries Button Top | eBay
2/3 AAA NiMH Flat Top Battery (320 mAh)
Battery Eliminator - 3 AAA Battery Replacement - USB Powered
2-10pcs 1.2v 1/3aaa Ni-mh Rechargeable Battery 200mah 1/3 Aaa Nimh Cell With Welding Tabs For Solar Light - Rechargeable Batteries - AliExpress