Can A Car Battery Go Bad After 1 Year. Now hook up the good battery to the charger. Battery Chargers These are new battery chargers types that revive dead batteries.

The batteries in our 10 year old Toyota and our 5 year old Mazda are still the original and still test right up to scratch. When a battery is expired it means that the batterys manufacturer can no longer guarantee that the battery has a full life or charge. This means that the voltage of the battery is below a functional amount.
The battery terminals and cables may be loose broken corroded or calcified The fluid level in the terminals may be too low An electrical current from an accessory or operating system is drawing power from the battery even when the car is turned off.
Oil coolant and trans. Ad Shop NAPA Batteries More. The average car battery dies after three to five years. After I got it jumped I noticed that my trunk was slightly open so I figured that maybe that caused the car to be dead but when I got to work I checked the car 20 mins later and the car was completely dead again.
