Batteries rarely give much warning, and cold mornings in the Lower Mainland are when a marginal one finally gives up. A load test takes minutes and tells you whether yours will see out the winter.
We test the battery, the alternator and the charging circuit together, because a battery that keeps going flat is often not the part that is actually failing.
A lead-acid battery loses roughly a third of its available cranking power at freezing point, while the engine it has to turn over is stiff with cold oil and needs more. That is the whole reason batteries fail on winter mornings rather than in August: the weather does not break the battery, it exposes one that was already marginal. A load test in October costs minutes and answers the question while you still have a choice about when to deal with it.
When a battery keeps going flat, the battery is often the symptom rather than the cause. A failing alternator or diode pack undercharges it. A parasitic draw — an interior light, an aftermarket accessory, a module that never goes to sleep — drains it overnight. Short journeys never replace what starting consumed. Fitting a new battery to any of those gives you a few good weeks and the same problem back, which is why we test the battery, the alternator and the draw on the circuit together rather than selling the obvious part.
What the service covers
- Battery load and capacity test
- Charging system and alternator check
- Replacement for all makes and models
- Terminal cleaning and secure refitting
Signs you need car battery service
- The engine cranks slowly before it starts, particularly on cold mornings
- Headlights that dim noticeably at idle and brighten as you rev
- You have needed a jump start, or the car is flat after standing a few days
- The battery or charging warning light is on
- Corrosion built up around the terminals
- The battery is more than four years old and has never been tested
What affects the cost
Every job is quoted before we start. These are the things that move the number — call the shop and describe the car and we will give you the figure for yours.
- The battery group size and cranking rating your vehicle requires
- Whether the vehicle needs an AGM battery — stop-start systems generally do, and a conventional battery fitted in their place fails early
- Whether the new battery has to be registered to the vehicle's charging system, which many modern cars require
- Where the battery is mounted: not all of them are under the bonnet, and some take real work to reach
- Whether testing turns up an alternator or parasitic draw fault behind the flat battery
Car Battery Service questions
How long should a car battery last?
Three to five years is typical, and the range is wide because it depends on how the car is used. Short trips that never fully recharge it, extended standing, and heat cycling all shorten it. Once a battery is past four years old, testing it is worth doing before winter rather than after it has left you somewhere.
Why does my battery keep going flat?
Usually one of three things: the alternator is not charging properly, something is drawing current while the car is parked, or the journeys are too short to replace what starting uses. Fitting a new battery without finding out which one it is buys a few weeks and returns the same problem, so we test the charging system and the parasitic draw alongside the battery itself.
Do I need a special battery for a stop-start car?
Almost certainly yes — usually an AGM or EFB type. Stop-start systems cycle the battery far harder than a conventional starting duty does, and a standard flooded battery fitted in place of an AGM will fail early. We match the battery to what the vehicle's system actually requires.
Does a new battery need to be registered to the car?
On many modern vehicles, yes. The charging system adapts its output to the battery's age and state, and without registering the replacement the car keeps charging as though the old battery were still fitted, which shortens the new one's life. It takes a scan tool, and it is part of the job rather than an extra.
Can you test my battery without replacing it?
Yes, and that is the point of testing. A load and capacity test tells you whether the battery still has what it needs, and plenty of them pass. Call the shop on a weekday between 9:00am and 5:30pm.