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Best replacement batteries for Dyson cordless vacuums

Researched by Deal.ai's shopping agent across stores on November 5, 2026. Prices below are today's.

Start with the Fanshara V8 replacement — it's the safest bet: a 7,000 mAh pack for the V8 family (Animal, Absolute, Fluffy), and by far the most-reviewed option here, so you're not gambling on an unknown brand.

Who the others suit:

  • Dinosoo V8 — same idea, slightly smaller capacity, well rated; good if you want a spare with accessories included.
  • Kastar V8 — the conservative choice if you'd rather buy a familiar battery brand.
  • V7 owners — the Dinosoo V7 pack is the best-rated V7 option; the POIYTL and MorPilot are cheap high-capacity alternatives.
  • V11 / V15 — the CITYORK click-in pack is the only V11 fit here, but its single review is poor, so check the model number carefully before buying.

Match the battery to your exact model and connector type (click-in vs. slide-in) before ordering.

The picks

  1. Fanshara
    Fanshara Replacement Battery for Dyson V8
    #1

    Fanshara Replacement Battery for Dyson V8

  • size: 7000 mAh
  • Accessory Type: Battery
  • Compatible Brand: Dyson
  • Compatible Model: V8
  • Compatible Vacuum Type: Cordless Vacuum Cleaner
  • Battery Type: Li-ion
$25.99at eBayObserved at 3:28 PMCompare 3 stores →
  • Dinosoo
    Dinosoo Replacement Battery for Dyson V8
    #2

    Dinosoo Replacement Battery for Dyson V8

    • edition: V8-6000mAh Battery+Accessories
    • Accessory Type: Battery
    • Compatible Brand: Dyson
    • Compatible Vacuum Type: Cordless vacuum
    • Compatible Series: Absolute, Animal
    • Count: 1
    $29.99at AmazonObserved at 3:28 PMCompare 3 stores →
  • Kastar
    Kastar Battery Replacement for Dyson V8 Animal, Cordless Stick Vacuum, V8 Fluffy, V8 Absolute
    #3

    Kastar Battery Replacement for Dyson V8 Animal, Cordless Stick Vacuum, V8 Fluffy, V8 Absolute

    • size: 1-PACK
    • color: Black
    • Accessory Type: Battery
    • Compatible Brand: Dyson
    • Compatible Vacuum Type: Cordless vacuum
    • Compatible Series: Absolute, Animal
    $39.99at WalmartVerifiedCompare 6 stores →
  • Dinosoo
    Dinosoo Replacement for Dyson V7 Li-ion Battery
    #4

    Dinosoo Replacement for Dyson V7 Li-ion Battery

    • edition: V7-7.0Ah Battery+Accessories
    $26.09at WalmartVerifiedPrices and history →
  • POIYTL
    POIYTL 21.6V 5.0Ah Replacement Battery Dyson V7
    #5

    POIYTL 21.6V 5.0Ah Replacement Battery Dyson V7

    • Type: Li-ion
    • Voltage: 21.6 Volts
    • Capacity: 5000 mAh
    • Warranty: 1 yr.
    • Fits original charger: Yes
    $18.07at eBayVerifiedCompare 4 stores →
  • MorPilot
    MorPilot 4600 mAh 21.6V Replacement Battery for Dyson V7
    #6

    MorPilot 4600 mAh 21.6V Replacement Battery for Dyson V7

    • Type: Li-ion
    • Voltage: 21.6-Volts
    • Capacity: 4600 mAh
    • Warranty: 1 yr.
    • Extras: two filters
    • Fits original charging station: Yes
    $18.07at eBayObserved at 3:28 PMCompare 2 stores →
  • Kunlun
    Kunlun 4000 mAh 21.6V Battery For V7
    #7

    Kunlun 4000 mAh 21.6V Battery For V7

    • Type: Li-ion
    • Voltage: 21.6-Volts
    • Capacity: 4000 mAh
    • Warranty: 1 yr.
    • Fits original charger: Yes
    $26.99at eBayVerifiedCompare 4 stores →
  • Flylinktech
    Flylinktech 4500 mAh Battery for Dyson V8
    #8

    Flylinktech 4500 mAh Battery for Dyson V8

    • Compatible with: V8 SV10, V8 Fluffy, V8 Animal, V8 Animal, V8 Absolute
    • Type: Li-ion
    • Voltage: 21.6-Volts
    • Capacity: 4500 mAh
    • Warranty: 1 yr.
    • Extras: one pre-motor filter, one post-motor HEPA filter, screwdriver, brush
    $25.98at eBayVerifiedCompare 2 stores →
  • LRSE
    LRSE Replacement Battery for Dyson V8
    #9

    LRSE Replacement Battery for Dyson V8

    • color: Gray
    $31.99at WalmartVerifiedPrices and history →
  • Lizone
    21.6V 6.5Ah 140Wh V8 Battery Replacement for Dyson V8 Battery 21.6V 2800mAh 65Wh 967834-05 967834-08 V8 Battery Absolute Animal Fluffy Motorhead Carbon Fiber Cordless Handheld Vacuum V8 Battery
    #10

    21.6V 6.5Ah 140Wh V8 Battery Replacement for Dyson V8 Battery 21.6V 2800mAh 65Wh 967834-05 967834-08 V8 Battery Absolute Animal Fluffy Motorhead Carbon Fiber Cordless Handheld Vacuum V8 Battery

    $49.99at WalmartVerifiedPrices and history →
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