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Amazon.com: Tenergy NiMH Battery Pack 12V 2000mAh High Capacity Rechargeable Battery w/Bare Leads Replacement Battery Pack for DIY, Medical Equipments, LED Light Kit, RC Models, Portable 12V DC Devices and More :
12v 3000mah Ni-mh Aa Battery 12v Nimh Batteries Pack High Capacity Nimh Battery For Remote Control Toy Car Boat Truck Toys Model - Parts & Accs - AliExpress
TETRIX® MAX 12-Volt Rechargeable 2,000 mAh NiMH Battery Pack (W41135)