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Replacement Dyson V8™ Vacuum Batteries for Dyson V8 Cord-free Vacuum

Compatible with:Dyson V8™ cord-free vacuum
To help you find the right battery for your cordless vacuum or to identify a problem relating to another part of your vacuum, please follow our online troubleshooting guide.
Typical signs your cordless vacuum battery needs replacing
Reduced run time, when not in MAX power mode
Vacuum displays more than 12 flashing lights
Quick Details
Application:Power Tools, Home Appliances
Battery Size:18650
Brand Name:YouYI
  • Dyson V8


  • Model Number:Dyson V8

  • Place of Origin:China

  • Weight:530g-570g

  • Type:Li-ion

  • Model:Dyson V8

  • Voltage:21.6V

  • Capacity:2.0Ah-4.0Ah

  • Color:Brown

  • Size:147*81*122mm

  • G.W.:530g-570g

Step-by-step plan: Replace Dyson battery

Once you’ve found the right Dyson battery, it’s time to replace the old one. Fortunately, that is not difficult at all. Watch the video below or follow the steps in my step-by-step plan. This step-by-step plan can be used for any wireless Dyson vacuum cleaner: from the Dyson V6 to the Dyson V15.

Unplug the charging cable and switch off the Dyson vacuum cleaner

Disconnect the battery from the vacuum cleaner

Snap-in battery: press the red button to disconnect the battery

Screwable battery: on the back of the battery you will discover a screw and two small screws on the bottom of the battery. Unscrew these three screws.*

Insert the new battery into the vacuum cleaner (click or screw it back on)

Fully charge the battery before using the Dyson vacuum cleaner again

* The location of the screws is different on the Dyson V6. There are two screws on the back of the battery and one on the front. It is necessary to first remove the dust container from the vacuum cleaner.

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