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🔋 Power your clean life — never miss a spot with the ultimate Dyson V8 battery upgrade!
The Lasica V8 SV10 Replacement Battery is a high-capacity 4500mAh, 21.6V lithium-ion battery designed to extend the runtime of Dyson V8 cordless vacuum cleaners. Compatible with all V8 series models, it features a 3-LED power indicator, fast recharge capability, and meets global safety certifications, ensuring reliable and long-lasting performance for professional-grade home cleaning.






| Amperage | 4.5 A |
| Antenna Location | Compatible with Dyson V8 Vacuum Cleaners |
| Asin | B07K47PFRQ |
| Battery Capacity | 4500 milliampere_hour |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 635 g |
| Best Sellers Rank | #34,279 in Home & Kitchen (See Top 100 in Home & Kitchen) #9 in Vacuum Replacement Batteries |
| Brand | Lasica |
| Customer Reviews | 4.2 4.2 out of 5 stars (5,090) 4.2 out of 5 stars |
| Included Components | 1 Pack * Lasica 21.6V 4500mAh V8 Vacuum Lithium Battery Compatible with Dyson V8 Series Vacuum Cleaner |
| Item Dimensions | 5.8 x 2.9 x 5.8 inches |
| Item Type Name | Replacement for V8 SV10 Vacuum Battery |
| Manufacturer | WALEE |
| Model Name | V8 21.6-Volt Replacement Battery |
| Model Number | V8 |
| Number Of Batteries | 1 Lithium Ion batteries required. (included) |
| Reusability | Rechargeable |
| Unit Count | 1 Count |
| Voltage | 21.6 volts_of_direct_current |
User
Simple 5-Minute Install and Even Better Runtime Than the Original Battery
When the original battery on my Dyson V8 began to degrade to the point where it needed replacement, I first checked the manufacturer’s website to see what an OEM battery would cost. Before ordering, my brother suggested I take a look at this replacement battery since he had recently purchased one for his own Dyson V8 and had been very satisfied with the performance.The installation process was simple and quick. After removing three screws, I was able to access and remove the original battery. The new battery slid into place easily, and once the screws were reinstalled the vacuum was ready to go again. The entire process took less than five minutes. One helpful tip is to make sure the battery is properly seated when reinstalling the screws—if it’s not aligned correctly the screws won’t thread in easily, so it’s best not to force them.Once installed, the replacement battery looks nearly identical to the original OEM battery, and the color matches the vacuum perfectly, which helps maintain the overall look of the unit. In terms of performance, I was pleasantly surprised. This battery has a slightly larger capacity than the original, and even when using the vacuum on the Max setting I’m seeing noticeably longer runtime—roughly about 30% more than what I experienced when the vacuum was new. I also didn’t notice the battery running any warmer than the original pack despite the extended run time.Overall, this replacement battery has been an excellent and cost-effective way to extend the life of my Dyson V8. It installs easily, looks great, and delivers impressive runtime. If you’re looking for a reliable and more affordable alternative to the OEM battery, this is a very solid option that I would happily recommend.
User
Great replacement for Dyson V7 lit
Works well! Great replacement for my Dyson v7 lithium battery that wore out. My Dyson is back in business, whew! Very easy install.
User
This battery works!
I waited several months to review this to make sure the battery did not slowly start to lose its charge. It has been many months now and I can still say I am so incredibly impressed by this battery performance. I swear it is better than the original one that came with my Dyson. When I first got my Dyson, I could vacuum the entire downstairs of my house (approximately 1,000 sf) and maybe up the steps and the hallway if I was quick. Over the course of 4 years, the battery wore down so badly that I was only able to vacuum my living room quickly. With this battery I'm able to vacuum the entire downstairs, up the steps and four upstairs bedrooms. It's been many months and I have not noticed any decrease in the length of time I'm able to vacuum. This battery is excellent and would highly recommend.
User
No better then the original
I was hoping a replacement battery would give my Dyson V8 Animal new life, but it performs pretty much the same as my original battery from 2019. On max suction, it dies in under 3 minutes, and on regular mode, I get maybe 10 minutes total. Glad it worked out for everyone else—maybe I just got a dud—but it’s just not holding a charge like I needed it to.
User
Better power
This was easy to install and my Dyson and has improved the performance so now I could vacuum longer. The reason for four stars is that the size is a little bit off for my Dyson charging stand. So now it is a little bit tricky to get in and out, but overall not a big deal. I would buy this again.
User
Excellent battery, great value
Great replacement battery for the small Dyson V6. Holds a great charge, and the extra filters were a bonus.
User
Better than the original
This battery fit the vacuum and charger without issue. Easy to replace with only three screws. Have only used it a few times, but so far it works better than the original.
User
Works perfectly
I was about to throw out my Dyson and buy a new one, but decided to try this first. Works perfectly! Easy to replace.
User
Se adapta bien al modelo
Excelente producto
User
funciona perfecto y llegó en tiempo
totalmente compatible con mi Dyson V8 y llegó en el tiempo indicado
User
Buen producto
La batería llego en el tiempo estimado, impecable y funciono perfecto.
Trustpilot
1 week ago
2 months ago