Mobile mechanic replacing a car battery in Wellington
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On-the-Spot Service

Mobile Battery Testing, Supply & Replacement Wellington

A failing battery can leave you stranded without warning. The Autowiz carries quality replacement batteries and can test, diagnose, and replace your battery on the spot at your location.

Battery Testing & Replacement at Your Location

A failing battery can leave you stranded without warning — often at the worst possible time. We carry a range of quality batteries to suit most passenger vehicles and can test, diagnose, and replace your battery on the spot at your location. No towing, no waiting, no hassle.

We also check the charging system — alternator output and connections — to make sure the new battery will be properly maintained and the underlying cause of any failure is identified.

Free upfront quote before any work starts. 7 days a week, 5am–10pm.

What's Included

  • Battery load and health testing
  • Alternator output and charging system check
  • Battery terminal cleaning and inspection
  • Supply and fit quality replacement battery
  • Charging system verification post-replacement
  • Battery registration (for vehicles requiring it)

Signs Your Battery May Need Testing or Replacing

Car batteries often give warning signs before they fail completely. These are the most common ones to watch for:

Slow or laboured engine cranking

If the engine turns over slowly when you start the car — especially in cold weather — the battery may not be delivering enough power. This is one of the earliest and most reliable signs that a battery is weakening.

Clicking sound but engine won't start

A rapid clicking sound when you turn the key, with the engine not starting, usually means the battery doesn't have enough charge to crank the starter motor. This can be caused by a flat or failing battery, or a faulty connection.

Battery warning light on the dashboard

The battery or charging system warning light indicates a problem with the battery or alternator. It doesn't always mean the battery itself is faulty — the alternator may not be charging it properly — but both should be tested promptly.

Battery is more than 3–4 years old

Most car batteries have a service life of 3–5 years under normal conditions. If yours is approaching or past this age, a health test is a sensible precaution — particularly before winter or a long trip.

Frequently Asked Questions

Wellington Areas We Cover

We carry out mobile battery testing and replacement across the Wellington region, including:

Book Battery Replacement

Free quote before any work starts. 7 days, 5am–10pm.

Book This Service021 0839 8531

Good to Know

  • Battery testing, supply, and fitting on the spot
  • Charging system check included
  • Battery registration where required
  • Free upfront quote — no obligation
  • 7 days a week, 5am–10pm

Ready to Book?

We Come to You, Anywhere in Wellington

Book online for a free upfront quote, or call us directly — we're available 7 days a week, 5am–10pm.