Best battery replacement for dyson cordless vacuum review 2020


The cleaning ability of the wireless vacuum cleaner mainly comes from the rechargeable battery pack inside the machine. The batteries of most mainstream products are 14.4VNI-MH batteries or 14.8V lithium-ion batteries, and the battery pack capacity is 1500mAh to 3500mAh. The battery pack of the cleaner will directly determine the maximum battery life of the product and indirectly determine the maximum cleaning area of the product.
Let’s first get to know the Ni-MH battery. Although NI-MH batteries have low environmental pollution and large capacity, they are large in size, which makes the sweeper bulky. However, NI-MH has high stability and high safety. One thing to note is that NI-MH batteries have a certain memory effect. Although it is not as obvious as nickel-cadmium batteries, the memory effect is more pronounced than lithium-ion batteries.

How to choose a vacuum cleaner battery type
1. Vacuum cleaner type
Understand the type of vacuum cleaner and check what kind of battery it is suitable for. Generally, current vacuum cleaners are lithium batteries or Ni-MH batteries. It is not recommended to choose other types of batteries.
2. Vacuum cleaner motor type
Understand how much voltage and current the motor can withstand, and do not use too large or too small batteries for these values, too large may burn the motor, too small may cause the vacuum cleaner to fail to start, so this is also a consideration One of the factors.
3. Personal needs
If you don’t need the vacuum cleaner to work for too long, you can. It will be better to use the original battery when you choose to buy. If you want to be durable or have a longer working time, you can choose some large capacity, and the durable use time is longer than the original battery Battery.

1Lasica 4500mAh 21.6V Lithium Battery for Dyson V84 out of 5 starsCHECK THE PRICE ON AMAZON
2Biswaye 21.6V 4500mAh Lithium Battery for Dyson V84 out of 5 starsCHECK THE PRICE ON AMAZON
3Elefly 21.6V 4500mAh for Dyson V84 out of 5 starsCHECK THE PRICE ON AMAZON
4FLYLINKTECH 4500mAh 21.6V for Dyson V84 out of 5 starsCHECK THE PRICE ON AMAZON
521.6V 4000mAh Li-ion Replacement for Dyson V84 out of 5 starsCHECK THE PRICE ON AMAZON

Let us analyze these top vacuum cleaner battery for Dyson V8 as bellow


1.Lasica 4500mAh 21.6V Lithium Battery Replacement for Dyson V8

Key Feature

*Replacement for Dyson V8 Battery

*Perfect Compatible

*Safe & Reliable

*Customer Support

If you buy this Dyson V8 vacuum cleaner battery, you will definitely be very satisfied with this battery. It has a long enough battery life, and there is no problem in doing my cleaning before I charge it. This battery is definitely better than the previous ones I bought. A low-quality battery can work normally under normal power, but it can only be used for about one or two minutes at maximum power. With this battery, you can complete the cleaning of the entire carpet at maximum power, which only takes a few minutes.
You will definitely be pleasantly surprised by this battery. This battery works well. After you get a new battery, you can absolutely vacuum all areas of your home and still have power. In fact, even if you try to exhaust it completely, you may still not be able to do it. This battery definitely saves you a lot of money and a lot of time.


2.Biswaye 21.6V 4500mAh Lithium Battery for Dyson V8

Key Feature

*High Capacity Design

*Same as OEM

*Works Well

*Great Energy-efficient

*90 Days Money Back Warranty and 1 year warranty!

Everything is fine with this battery, it is very simple to install, can be perfectly installed in the Dyson charger, and can be used continuously during the entire vacuuming process. .
You will find this battery is very suitable for DYSON v8, and you will be pleasantly surprised to have this battery. It will give your Dyson v8 new life. This is definitely an excellent battery, it is easy to install. Although the cost is much lower than OEM, the effect is equally good, or even better! The battery can be charged quickly. When I use it at maximum power, its battery life is much longer than the original battery that came with Dyson.

Anyway, You will be never regret of buying this battery.. Exciting battery that can perfectly replace the battery that came with your original Dyson. The maximum working time of the battery exceeds 20 minutes. It is very convenient to install (you need a very small screwdriver) and it works the same as it does now! ! The battery can last as long as my new battery. You must be very happy to own this battery. You must be very happy.


1.Easy to install

2.longer than the original


1.The charging connector cannot be fixed well (tightly fit), so it is difficult to remove it from the charger.

2.The battery is easy to stick to the wall charger and it is difficult to remove the vacuum.

3.Elefly 21.6V 4500mAh Lithium Battery-for Dyson V8

Key Feature

*Voltage: 21.6V | Capacity: 4500mAh | Battery type: Lithium-ion.

*SANYO/MOLI 18650 battery celles, no memory effect.

*Compatible with Dyson V8 Fluffy Vacuum

*The indicator on the battery made of 3 separated LED lights

*90 Days Money Back and 1 Year Warranty

Obviously this high-performance battery will be much better than you expect. The running time is definitely twice as long as your original battery, and you can now clean fluffy carpets and indoor wooden floors effortlessly. This battery can make your vacuum cleaner look like a new one. Not only is it cheap, it works as well as the original battery. It lasts a long time and is very easy to install!


1.Long battery life.

2 very easy to install!


1.The charge indicator is made of cheap materials,

2.If there is any blockage, Dyson will reduce battery life.


4.FLYLINKTECH 4500mAh 21.6V-for Dyson V8

Key Feature

*【Compatible with Dyson V8 Cleaner】V8 Battery Replacement supports all the Dyson wall charger / stand unit.

*【Compatible with Dyson V8 Cleaner】V8 Battery Replacement supports all the Dyson wall charger / stand unit.

*【Easy to Install】V8 battery’s size and function are the same as the OEM battery.Only 6 steps for installation

*【Smart Charger Protection】FLYLINKTECH V8 battery is made with premium imported lithium battery cell which complys with FCC RoHS CE security testing standards

*【Guarantee & Package】Guarantee: 30 days REFUND, 100 days RETURN & EXCHANGE, 12-MONTH WARRANTY

A perfect affordable alternative, installation is not difficult. You will definitely be very satisfied with the decision to buy this battery and click it in the right place. In addition to reliability, the maximum rated power is the most important aspect of the battery. The installation of the battery is very simple, it only takes less than 10 minutes! In general, there is nothing wrong with replacing the battery. After installation, your Dyson vacuum cleaner will operate like new.

The customer service is very polite and professional, and will not hesitate to ask any questions that I think are correct. This battery is of good quality, perfect packaging, easy to install, and works well during use, please follow the instructions to fully charge the battery before first use. This battery battery can provide full power/high suction power/make the device run for a long time like a new device. The accessories inside include 2 new filters, screwdriver and cleaning brush. Such time savers do not have to search for the right tool.


5.21.6V 4000mAh Li-ion Replacement for Dyson V8

Key Feature

*100% Brand New | Lithium-Ion | 21.6 Volts | High Capacity 4000mAh | 86.4Wh

*Made with Premium SONY Lithium cells and highest materials

*Comply with FCC RoHS and CE security testing standards.

*Worry-free 12-Month

This Dyson V8 battery replacement is very easy to install and has a long service life. It can be cleaned at the base of the entire house before it stops working.
This battery is definitely worth the money. You can use the vacuum in the maximum mode for about 10-15 minutes in the new mode. This battery is very suitable for Dyson cordless vacuum cleaners. 2 screws for easy replacement. It extends the life of my battery, and I can clean the entire house on a single charge. I can’t believe it has such a long battery life. Compared to buying a new vacuum cleaner, this is a great deal.


how can I do if dyson cordless vacuum battery flashing red?

1.The battery of the vacuum cleaner is aging, so the battery will not be able to be charged. Of course, the red light showing the battery level will always be on. If this is the case, the user is better to send the vacuum cleaner to a repair shop for inspection, or Just replace with a new battery. …

2.The red light here is not a battery indicator, but a dust full indicator. The dust cup of the vacuum cleaner is full of garbage. If it is too messy, the red light will of course stay on. In this case, it is best to throw out the garbage first. The disposable dust cup needs to be replaced in time. If it is a sponge dust cup, it needs to be washed and dried before putting it in for use.

how can I do if  dyson cordless vacuum battery not charging?

1. The charger is broken.
2. If it is clogged, clean the floor brush, pipe, dust cup, filter, etc.




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