Mopar BB034600AA Battery-Storage

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Disconnect the negative battery cable first, then the positive cable. Check the battery state of charge and perform a load test. Replace the battery, disconnecting the cables in reverse order. Lift out the battery and inspect the area underneath for corrosion. Ensure the new battery matches the original's dimensions, amperage rating, and cold cranking rating. Reinstall the battery and reconnect the cables.

Before servicing your battery, turn off the engine and disconnect the negative terminal. If a maintenance-required battery is installed, check the electrolyte level and add distilled water if needed. Check the battery, cable clamps, and terminals for damage. Remove corrosion with a baking soda solution and coat damaged parts with zinc-based primer.

Disconnect the negative battery cable and visually inspect the battery's state of charge using the indicator eye (if equipped). Charge the battery or add distilled water if needed. Use a hydrometer to check the specific gravity of the electrolyte in each cell. Perform an open circuit voltage test using a digital voltmeter, ensuring the battery voltage is above 12.5 volts. Use a battery load tester to evaluate the battery's ability to handle heavy amperage draw during startup and accessories operation. Cold temperatures may slightly affect the minimum voltage requirements. To test for battery drain, disconnect all accessories and check the current drain using a digital ammeter. Normal drain is around 100 milliamps or less, while excessive drain can cause battery discharge.

Take this opportunity to inspect the carrier for any corrosion.

Inspect the carrier (tray) for corrosion if you have early models with a metal tray.