Starting and charging

12-Volt Battery Replacement Guide

Match battery size, chemistry, and terminal layout, then plan a safe swap that preserves the vehicle's electrical requirements.

01 / Fitment

Before you buy

Year, make, and model are a starting point. Confirm these details before relying on a product listing.

Match the battery group size, case dimensions, and hold-down style.
Confirm positive and negative terminal orientation.
Meet or exceed the specified cold-cranking amps without changing battery type incorrectly.
Check whether the vehicle requires AGM or EFB chemistry, venting, coding, or battery registration.

02 / Get ready

Replacement 12-volt batteryMatch group size, chemistry, terminal layout, and required rating.
Terminal washers, if desiredOptional corrosion protection for suitable top-post batteries.
Terminal protectantApply only after the clamps are clean and secured.

Correct wrench or socketConfirm terminal-clamp and hold-down fastener sizes.
Battery terminal brushClean posts and the inside of cable clamps safely.
Eye and hand protectionProtect against corrosion debris and battery acid.
Memory saver, if approvedOptional; check the vehicle procedure before connecting one.

03 / Process

This is a planning sequence, not a replacement for the procedure written for your exact vehicle.

01
Check vehicle requirements
Find the battery specification, shutdown procedure, and any registration or relearn steps.
02
Power down safely
Turn everything off, remove the key, and allow modules to enter the state required by the service procedure.
03
Remove the old battery
Disconnect negative first, then positive, remove the hold-down, and lift using safe handling practices.
04
Install and secure
Clean the tray and clamps, secure the battery, connect positive first, and connect negative last.
05
Complete required resets
Register or code the battery when required and verify starting, charging, clock, and safety-system functions.

Ready to build the list?