AE AE & AC (08) 9249 8619

Car Battery Replacement in Malaga

A free test first — because a flat battery is often a symptom rather than the fault, and replacing it without checking why is how people buy two batteries in a year.

Malaga workshop Mon–Fri 8:00am–5:00pm Sat 8:00am–12:00pm Auto electrical, AC & mechanical in-house

Test before you replace

Batteries get blamed for a lot of problems they did not cause. Before fitting a new one it is worth knowing which of these you actually have:

  • A battery genuinely at the end of its life. Straightforward, and the most common answer.
  • A charging fault. If the alternator is not fully recharging the battery, a new battery will go the same way. See alternators.
  • A parasitic draw. Something staying awake with the car off, flattening a perfectly good battery overnight or over a few days. See auto electrical.
  • Poor connections or earths. Corroded terminals and bad earths produce symptoms that look exactly like a failing battery.
  • Usage pattern. Lots of short trips never fully recharge a battery, and it dies early as a result. Worth knowing, because the fix may be a habit rather than a part.

The test is free. If the battery is the problem, we will tell you. If it is not, we will tell you that too rather than sell you one.

Battery coding on modern vehicles

On many modern vehicles — European makes in particular — a new battery has to be registered or coded to the vehicle. The charging system adapts its strategy to the battery's age and type, so if the car is not told a new battery has been fitted, it keeps charging as though the old one is still there.

The consequence is a new battery being over or undercharged and failing early. It is a genuine reason to have a battery fitted somewhere with the equipment to code it, rather than the cheapest place that will hand you one over a counter.

Also worth knowing: if the vehicle takes an AGM battery, fitting a conventional one instead causes problems even if it physically fits. The charging strategy differs.

What we do

  • Free battery and charging system test
  • Quality batteries supplied and fitted on site
  • Battery registration and coding where the vehicle requires it
  • Terminal, cable and earth inspection and repair
  • Parasitic draw testing where a battery keeps going flat
  • Charging system diagnosis
  • Auxiliary and dual battery systems

What affects the price

We quote after we have looked at the vehicle, because an honest number needs the actual fault rather than a description of it. What moves the price on this kind of work:

  • Diagnostic time. An obvious fault is quick; an intermittent one that only appears when hot, cold or over a bump takes longer to reproduce and confirm.
  • Part cost for your specific vehicle. This varies enormously between makes — European parts are frequently multiples of the equivalent for a common Japanese model.
  • Access. Some components are behind a dash, a subframe or an engine mount. The part can be cheap and the labour the opposite.
  • Whether the fault has caused secondary damage that also needs addressing.
  • Whether coding or calibration is required after fitting.

You get the number before the work starts, and nothing extra happens without you approving it first.

Warranty on this work

Workmanship and parts are covered. The specific period depends on the job and on the part supplier's own warranty, so the terms that apply to your repair are set out on your invoice — ask us to walk you through them before you approve the work if you would like it clear up front.

This sits alongside your rights under Australian Consumer Law, which apply regardless of what any warranty document says.

Frequently asked questions

Why does a modern European battery need coding?

Because the charging system adapts to the battery's age and type. If the vehicle is not told a new battery has been fitted, it keeps using the strategy suited to the old one — which over or undercharges the new battery and shortens its life.

What causes a battery to drain overnight?

Usually a parasitic draw — a module, relay, light or accessory staying awake after the car is off. It can also be a charging fault or a battery at the end of its life. A parasitic draw test identifies which.

Is battery testing really free?

Yes. We test the battery and the charging system, and tell you what we find. If the battery is fine and something else is causing your problem, we would rather find that than sell you a battery you do not need.

How long should a car battery last?

It varies with climate, usage and the charging system. Perth heat is hard on batteries, and lots of short trips shortens life because the battery never fully recharges. Testing tells you where yours actually is rather than guessing from its age.

Can I fit a normal battery instead of an AGM?

Not advisable. If the vehicle is specified for AGM, the charging strategy is designed around it, and fitting a conventional battery causes problems even when it physically fits.

Other services

Areas we service: Malaga · Morley · Ballajura · Wangara · Bayswater · Midland · Guildford · Ellenbrook · Bassendean · Perth and the wider Perth metropolitan area.

Book your vehicle in

Tell us what the vehicle is doing and we will diagnose it properly. You get the price before the work starts.