Dysonvacuum
Vacuum Battery Pack – 21.6V 4000mAh, Lithium-Ion, Compatible with Dyson V8
$69.00
$109.00
Save 37%
Size 3000mAh
Color Black
In Stock — Ready to Ship
Free shipping over $75
30-day returns
Secure checkout
Extend your vacuum's runtime with this 21.6V lithium-ion battery pack. Works with Dyson V8 models to provide consistent power for larger cleaning jobs. The 4000mAh capacity offers 33% more runtime than standard OEM batteries.
- Lithium-ion cells — provide stable voltage output for consistent suction, rated for 500+ charge cycles
- 4000mAh capacity — delivers up to 60 minutes of continuous runtime per charge
- Compact design — weighs 1.2 lbs for balanced handling during extended cleaning sessions
- Thermal protection — built-in circuit prevents overheating during charging and use
Ships from Dallas, CA within 1-2 business days via ground carrier. Free shipping on this item when your order totals $75 or more; otherwise a flat shipping rate applies at checkout. Delivery typically takes 3-7 business days within the continental United States.
Return this item within 30 days of delivery for a full refund, provided it's unused and in its original packaging. If it arrives damaged or defective, contact us with photos and your order number and we'll send a replacement or refund at no cost to you.
Customer Reviews
4.8
Based on 28 reviews
Verified Purchase
April 04, 2026
Would recommend to anyone
I've been using this for 4 weeks in my home and it's held up perfectly. Lithium-ion cells is exactly what sold me, and it delivers on that promise every day.
Verified Purchase
May 02, 2026
My Home is transformed
I've been using this for 6 weeks in my home and it's held up perfectly. Compact design is exactly what sold me, and it delivers on that promise every day.
Verified Purchase
May 26, 2026
Would recommend to anyone
This upgraded my home more than I expected for the price. Lithium-ion cells in particular is a standout feature. Shipping was fast too.
Verified Purchase
May 04, 2026
Solid but room for improvement
Really happy with this purchase overall. Thermal protection works well, though setup took me a few extra minutes the first time. Still recommend it.
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