Battery Specs & GuideDyson V8
EGR V8EGR 9000mAh Upgraded V8 Battery Replacement for Dyson V8
AT A GLANCE

Dyson Vacuum V8 Absolute Battery Replacement: EGR 9000mAh

The EGR 9000mAh V8 is an aftermarket lithium-ion replacement pack listed for selected Dyson V8 cordless vacuums, including the V8 Absolute. It is advertised at 21.6V and 194.4Wh, and the documented V8 battery swap involves removing three Phillips screws.

21.6VAdvertised voltage
9000mAh advertised capacity
194.4Wh advertised energy
3Screws to remove

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01 / Compatibility

Will This Battery Fit Your V8?

The listing names the V8 Absolute, Animal, Motorhead and Fluffy. Dyson, however, says V8 machines use more than one battery type and asks owners to check the serial number before buying. Run this quick check first.

HEADS UP

This is not a genuine Dyson battery. The EGR listing gives no serial-number fit table, which means it does not prove a fit for every V8 Absolute. If your battery variant is unclear, ask EGR to confirm before you order.

02 / Specifications

EGR 9000mAh V8 Specifications

PropertyDetail
BrandEGR
Product typeAftermarket replacement battery pack (not a genuine Dyson battery)
Reference listing IDASIN B08TMHWDS4
ChemistryLithium-ion, rechargeable (as advertised)
Advertised voltage21.6 V
Advertised capacity9000 mAh (9 Ah)
Advertised energy194.4 Wh (21.6 V × 9 Ah)
Fitting methodScrew-in pack, three screws on the documented V8 design
Advertised protectionOvercharge, overcurrent, overheating and short-circuit protection
Base designNon-slip strip on the battery base (advertised)
Listed kit contentsBattery, dust cover, screwdriver, 3 screws, 1 pre-filter, 1 post-filter
ChargerNot listed in the kit; the listing tells buyers to use an original Dyson charger
Listed compatible modelsDyson V8 Absolute, Animal, Motorhead, Fluffy, Carbon Fiber and SV10 V8-series
Conformity claimsFCC, RoHS and CE are claimed in listings; no test documents were found
Manufacturer warrantyNo clear duration found
Not confirmedMeasured capacity, runtime, charge time, cycle life, size, weight, cell type

Values come from EGR-branded and retailer product listings. They are advertised figures and were not independently tested. The 194.4Wh figure matches 21.6V × 9Ah, but that only checks the maths, not the real capacity.

03 / Effort

Dyson V8 Battery Replacement Difficulty

A third-party repair guide for the Dyson V8 Absolute rates this job Moderate and estimates 2–5 minutes. It lists a Phillips #2 screwdriver and three screws to remove, with no further disassembly. The harder part is picking a pack that matches your vacuum. Tap a slice to highlight it.

  • 20% Removing three screws
  • 20% Fitting the new pack
  • 40% Confirming the right battery
  • 20% Charging & testing

The time and Moderate rating come from the repair guide and cover the swap only. The effort split is an editorial estimate, not an official rating. A badly fitting screwdriver, a worn screw head or a pack that does not match the housing can add time.

04 / Install guide

How to Replace a Dyson V8 Absolute Battery

This follows the three-screw V8 design shown in Dyson’s support steps and the repair guide. Not every V8 is built this way: Dyson says the V8 Cyclone battery clicks off without screws. Tap each step to tick it off as you go.

  1. 1Prepare the vacuumUnplug the charger and take the vacuum off the dock. Remove the wand and cleaner head.
  2. 2Remove the handle screwTake out the Phillips screw at the rear of the handle.
  3. 3Remove the two lower screwsTurn the vacuum over and take out the two Phillips screws on the underside of the battery. Support the pack with your hand.
  4. 4Pull the old battery outSlide the battery down and away from the vacuum. It may drop out; hold it firmly. Do not open the casing.
  5. 5Fit the new batteryLine up the new pack with the mounting holes, then refit the three screws. Do not force a pack that does not seat properly.
  6. 6Charge and testFollow the charging instructions supplied with the battery and use an original Dyson charger, as the listing advises. Then check that the vacuum runs.
NO POWER?

A new battery does not always fix a fault. Dyson lists a flat battery, a badly fitted cyclone, a faulty charger and a faulty main body as causes of no power. Blockages and dirty filters can cause cut-outs and pulsing. Check those before blaming the battery.

05 / Compatible models

Which Dyson Models Is It Listed For?

The listing names the V8 models below. No source confirmed this pack for other Dyson families, other brands or power tools.

  • Dyson V8 AbsoluteNamed in the listing
  • Dyson V8 AnimalNamed in the listing
  • Dyson V8 MotorheadNamed in the listing
  • Dyson V8 FluffyNamed in the listing
  • Dyson V8 Carbon FiberNamed in the listing
  • SV10 V8-seriesConfirm fit first
  • Dyson V8 CycloneClick-off battery, not named
  • Dyson V6Separate EGR pack exists
  • Dyson V7Separate EGR pack exists
  • Dyson V10, V11, V15Not covered by this listing
  • Other brandsNot covered by this listing
  • Power toolsNot covered by this listing
Safety

Safety, Charging & Disposal

DAMAGED PACK

Stop using and charging a battery that swells or gets unusually hot. Do not open it. Ask the battery maker or a collection service how to handle it.

  • Never open, crush, short-circuit or burn the battery.
  • Let the vacuum cool down before you put it on charge.
  • Use an original Dyson charger. The listing advises it, and Dyson says to use only Dyson chargers.
  • Keep old lithium-ion batteries out of household trash and recycling bins.
  • Tape the terminals or bag each battery, then use a battery collection point.
FAQ

EGR 9000mAh V8 Battery: FAQ

Is the EGR 9000mAh V8 battery an original Dyson battery?

No. It is an aftermarket replacement. Dyson says to use only genuine Dyson batteries and chargers.

Will it fit my Dyson V8 Absolute?

The V8 Absolute is named in the listing, but Dyson tells owners to check the machine’s serial number when choosing a V8 battery. The EGR listing publishes no serial-number table. Because of that gap, confirm the fit for your exact vacuum before you order.

Is a charger included?

No charger appears in the listed contents. The listing advises using an original Dyson charger.

How long will it run on one charge?

No tested runtime was found for this pack. Dyson’s published run times belong to its own batteries and change with power mode and attachments; they do not carry over to this one.

How do I know whether my battery needs replacing?

Dyson says a drop in run time outside Max mode can mean it is time for a new battery, and a flashing red light on Dyson’s own system points to a battery fault. Other causes are possible, and it is worth ruling those out first.

Does a short runtime always mean the battery is worn out?

No. Dyson lists a blocked machine, a stuck bin inlet, dirty filters, the wrong power mode and dirty tools as causes of cut-outs or pulsing. A faulty charger or main body can also stop the vacuum from running. Check these before replacing the battery.

How long does the first charge take?

Dyson’s V8 manuals give roughly four to five hours for a full charge, depending on the version. No charge time was found for the EGR pack; follow the instructions that come with it instead.

Will an aftermarket battery affect my Dyson warranty?

It may. Dyson says only a genuine Dyson battery keeps your warranty intact, and its manual warns that parts it does not recommend could invalidate the warranty. Local consumer rights still apply; check your country’s terms.

How should I dispose of the old battery?

Do not put it in household trash or recycling bins. Tape the terminals or bag each battery separately and take it to a lithium-ion battery collection point. For a damaged pack, ask the battery maker or a collection service how to handle it.

Specifications are advertised values from EGR product listings and were not independently tested. Repair steps follow Dyson support pages and a third-party repair guide. Details may vary by region and vacuum version.

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