Battery services

Mobile car battery services, done where the car is

Four services, one visit. A technician tests the battery first, then jump-starts or replaces it at the roadside, at home or in your parking bay.

Battery services at your car

Jump start, battery testing or a full battery replacement

One visit covers all three. The technician tests first, then does only what the readings call for, where the car is stopped.

  • 01

    Car battery replacement

    A matched new battery brought to the car and fitted where it is stopped.

    • Battery, starter and charging test before anything is replaced
    • A battery matched to your make, model, year and technology
    Car battery replacement
  • 02

    Jump start

    A safe boost for a flat battery, followed by a test so you know if it will last.

    • Regulated booster pack, safe for cars with sensitive electronics
    • Connection at the correct jump points for your car
    Jump start
  • 03

    Battery testing

    A proper test of battery, starter and alternator before anyone talks about replacing.

    • State of health and state of charge reading
    • Cranking test against the battery rating
    Battery testing
  • 04

    AGM and start-stop batteries

    AGM and EFB batteries for start-stop cars, fitted and registered at your location.

    • Like-for-like AGM or EFB matched to the factory fit
    • Memory saver so settings stay during the swap
    AGM and start-stop batteries

All battery services Up to 24 months warranty · Free delivery and fitting

How it works

From your location pin to a car that starts

Four steps, and you know what is happening at each one. Nothing is fitted until the battery has been tested.

  1. 1

    Share where the car is

    Send a location pin with the road name, direction of travel and the nearest exit or landmark. In a basement, add the level and bay.

  2. 2

    Confirm the car details

    Make, model and year, plus a photo of the battery label if you can. That is how the right battery gets loaded.

  3. 3

    Get an arrival estimate

    We check access and technician availability, then tell you when to expect us before anyone sets off.

  4. 4

    Test, then jump or replace

    The technician tests the battery, explains the reading and carries out a jump start or a replacement. The car is started before he leaves.

Why 800MyBatt

Three ways to deal with a dead battery, compared

A roadside battery specialist is not the only option. Here is how it stacks up against a tow to a workshop or a borrowed set of jump leads.

What you get800MyBatt at your carTow to a workshopJump leads from a passer-by
Where it gets fixedWhere the car is stoppedAfter a tow and a waitWhere the car is stopped
Battery tested before anything is replacedYesDepends on the workshopNo
Right battery matched before arrivalYesWhatever is in stockNo
Alternator and starter checkedYesYesNo
Registration for European carsYesSome workshopsNo
Works in basement and mall parkingYesTow truck height limitsNeeds a second car close by
Warranty on the new batteryUp to 24 monthsVariesNo
Old battery taken for recyclingYesYesNo
Pay by card, cash, Tabby or TamaraYesVariesNo

A tow is still the right answer when the fault is not the battery. If our test points to something else, we say so and help arrange recovery.

Battery types

Car battery types: flooded, EFB, AGM and 12V lithium

The technology has to match what the car was built with. Here is what each type is and which cars use it.

TypeHow it is builtUsed inStart-stop

Flooded (maintenance-free)

Standard

Lead plates in liquid acid, sealed top, often calcium alloy grids.

Most Japanese, Korean and older cars without start-stop.

No

EFB

Enhanced flooded

Flooded design with reinforced plates and a fleece layer that holds the active material in place.

Entry-level start-stop cars and cars with higher electrical demand.

Yes

AGM

Absorbent glass mat

Acid held in glass-fibre mats. Sealed, spill-proof, fast to recharge.

Start-stop with energy recovery, most modern German cars, boot-mounted batteries.

Yes

12V lithium

Low-voltage Li-ion

A compact lithium pack with its own electronics in place of a lead-acid battery.

Some newer EVs and performance cars. Usually a dealer or workshop job.

Varies

Rule of thumb: replace like for like. An EFB car can move up to AGM, but an AGM car should never be fitted with a standard battery.

AGM vs EFB vs flooded, explained AGM and start-stop battery fitting

Questions

Roadside battery questions, answered straight

Short answers to what drivers ask before and during a battery call-out.

Read all questions and answers

How long does a car battery replacement take at my location?

On most cars the fitting itself is typically 15 to 30 minutes once the technician is at the car. Batteries under a seat or in the boot, and cars that need registration, take longer. Travel time is separate and depends on your location and traffic.

Is a jump start safe for a new car with start-stop?

Yes, when it is done with a regulated booster at the manufacturer jump points and in the right clamp order. The risk comes from reversed leads or poor connections, which is why a trained technician with the right equipment matters.

How do I know if it is the battery or the alternator?

If the car starts with a jump and keeps running but will not restart later, the battery is the likely cause. If it starts and then dies, or the battery light stays on while driving, suspect the alternator. A charging test confirms it in minutes.

Can I fit a normal battery in a start-stop car to save money?

It will start the car, but it is a false saving. A standard battery is not built for constant restarts and deep cycling, so it wears out quickly and the start-stop system may stop working. Fit AGM or EFB as the car was designed for.

Arrange roadside battery assistance

Send your location pin, your car details and a short description of the problem. We confirm whether we can reach you and what the car needs.

  • Location pin and road
  • Make, model and year
  • What the car is doing
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