Quick view Batteries CR2430 Key Fob Battery Keyless Entry Remote Lithium Coin 3V Extra Long Life (1) Our price: $5.49 Dealer price: $15.99 This is a brand new Lithium Coin Battery. These batteries are used in most keyless entry remote key fobs. You're going to want to check the battery that is in your key fob to make sure this is the correct battery for you. You might have to reprogram...