Amazon.com: CR2450 2450 OEM Original Key Fob Battery for Dodge Ram Prox (Bundle with tool) Case Shell fits 1500 ONLY (Including Big Horn Laramie Longhorn Lone Star Power Wagon Rebel TRX OHT-4882056 :
Amazon.com: Duracell 2450 3V Lithium Battery, 1 Count Pack, Lithium Coin Battery for Medical and Fitness Devices, Watches, and more, CR Lithium 3 Volt Cell : Health & Household