Mobile service
Mobile battery testing and replacement
A car that will not start is not much use on a driveway, and getting it to a garage is the hard part. We come to it, test properly, and only sell you a battery if the battery is actually the problem.
- Allow
- 45 mins
- Where
- At your address
- Booking
- Online or by phone
Do we cover you?
Put your postcode in and we'll tell you straight away.
Most batteries fail in the first cold snap of the year, usually after months of short journeys that never fully recharged them. But a flat battery is not always a dead battery — a failing alternator will flatten a good one, and so will something drawing current after the car is locked.
We test the battery under load, check what the alternator is putting back in, and look for a parasitic drain if the numbers do not add up. If it needs a battery, we fit one there and then.
When you need this
Any of these sound familiar?
- The engine turns over slowly, or just clicks
- It starts fine some mornings and not others
- Headlights dim noticeably at idle
- The battery warning light is on while driving
- You have needed a jump start more than once
- The car has stood unused for several weeks
What the job covers
- Test the battery under load, not just its resting voltage
- Check the alternator output and charging voltage with the engine running
- Test for a parasitic drain if the battery keeps going flat on a good charge
- Clean up corroded terminals and earth connections
- Fit a replacement battery of the correct specification
- Code the new battery to the vehicle where the system requires it
- Dispose of the old battery properly
Why have it done at home?
You don't lose a day to it. No dropping the vehicle off, no arranging a lift back, no waiting for a phone call to say it's ready. We turn up where it's parked, do the work, and you carry on with whatever you were doing.
Battery prices depend on the size and type your vehicle takes — start-stop cars need a specific type. Give us the registration and we will tell you.
Before we arrive
If the car has a radio or nav code, have it to hand. On most modern cars we can keep the memory alive while we swap the battery, but it is worth having in case.
Questions we get asked
How long should a car battery last?
Typically four to six years. Short journeys, a lot of standing time and heavy electrical loads all shorten that.
Why does my new battery keep going flat?
Usually one of two things: the alternator is not charging properly, or something is drawing current with the car locked. Both are testable, and a new battery on its own will not fix either.
Do start-stop cars need a special battery?
Yes — they take an AGM or EFB battery, and many need coding to the vehicle once fitted. Putting a standard battery in a start-stop car will not last.
Can you come out today?
Often, yes. A car that will not start is not something to book for next week — ring us rather than using the online form.
Need battery testing & replacement?
Book a slot online, or ring and speak to the mechanic who will be doing the job.
Broken down or won't start? Ring rather than book — roadside work can't wait for a slot.