How do I know if my Dyson needs a new battery?

Dyson makes some remarkable cordless and handheld vacuum cleaners that improve with every model. From the Dyson first handheld cleaner, model DC16 to the most recent Dyson V11.

With each model of improvement, they become more powerful and the batteries became either larger or two batteries were added. The runtime improved from 20 minutes with the Dyson model: V6 to an hour to 120 minutes with the 2-click removable batteries of the Dyson model: V11.

However, like every other battery-operated appliance, they eventually start to experience problems. Problems caused by the wear of normal use or from accidental damage. 

So, how do I know if my Dyson needs a new battery? A question many people ask.

In this article, we answer some common questions on issues with Dyson vacuum batteries. We cover from the lifespan of a battery to stopping and starting problems. We also include the two main signs that your Dyson battery needs replacing.

Signs you need a new Dyson battery

Before we jump into the common questions asked about Dyson battery replacement. We look at the two main signs that your Dyson battery is at the end of its life.
How do I know if my Dyson needs a new battery_ (1)

More than 12 flashing red lights

Although the user manual for every model will explain in full the meaning of every different light, here is a summary for a Dyson V6.

  • Solid blue light implies that the vacuum is charging.
  • Flashing blue light is a warning that the vacuum is running out of power. It may also be a sign that the vacuum is not charging properly.
  • Solid yellow means there is a short-lived fault and the vacuum is not charging.
  • Flashing red light means a serious fault and you need to call Dyson.

A top sign that your Dyson needs a replacement battery would be the flashing red light. If it has more than 12 red lights flashing a one time, you would need to consider a Dyson cordless vacuum battery replacement.

Normal run time has decreased when not in MAX mode

Another sign is that your Dyson vacuum does not vacuum for a very long time even when fully charged or it needs to be on the charger all the time when not in use.

For example, with a Dyson V6, usually, you should get around 20 minutes of vacuuming time in the normal setting. V7 the normal runtime is around 30 minutes and the Dyson V8 is around 40 minutes. For the Dyson V10 and V11, you can expect to receive around 60 minutes.

Anything less than these run times when fully charged and not used in the MAX mode is a sign that your vacuum cleaners battery is dying and need a new one.

Common questions and answers that may help

How long do Dyson batteries last before replacement?

Dyson cordless vacuum battery life span is usually three to four years of normal operation.

Why is my Dyson not holding its charge?

When you experience a Dyson battery problem where the vacuum can now not hold a charge. This may mean that the battery is broken and you need a replacement.

Before replacing the battery, check the following:

  • The outlet you are using to charge the battery is functioning correctly.
  • It is sitting securely in place on the charging unit.
  • Check that you charge the battery for the recommended amount of time.

Can the battery in a Dyson be replaced?

Yes, a Dyson battery is replaceable. Once you have purchased a new original Dyson battery and if you need to know how to change a Dyson battery. This is a straightforward process; unscrew the screws on the rear of the handle and the machine. Swap the old battery with the new battery. Then once your Dyson battery replacement is complete, make sure you dispose of the old battery correctly. Do this by taking it to a recycling facility in your area. 

Can I leave my Dyson on charge all the time?

Dyson designed models such as the Dyson V6 so that the unit can be stored on the charger. This will not harm the battery in any way as once fully charged it will no longer pull power for the charge. In fact, with the Dyson V11, you should leave the battery on charge permanently as it constantly monitors the battery’s run time.

Why does my Dyson keep stopping and starting?

If your Dyson keeps stopping and starting, the primary reason why your Dyson handheld vacuum is not working is typically thanks to a full dirt bin. Other reasons are that there’s a blockage somewhere within the system or the filter is dirty. Cleaning the different parts of your Dyson vacuum should solve the matter, but if it does not then your battery may be on its way out. Your next option would be to opt for a Dyson handheld vacuum battery replacement.

Can I get my Dyson serviced?

A properly maintained Dyson vacuum cleaner rarely needs a service. However, if your cleaner does need a service, a Dyson service engineer is the best choice. Especially if there is something seriously, wrong with it such as if it overheats or if it is smoking.

Once you have replaced the battery in your Dyson vacuum cleaner, below are some tips for how you can prolong the life of your new battery.

Prolonging the life of your new Dyson battery

  • Before using the battery for the first time ensure it’s fully charged.
  • Fully charge the battery after every use.
  • Use the proper power mode for the task.
  • Store and charge the battery in an exceedingly cool and dry place.
  • Clean your Dyson vacuum cleaner regularly; this reduces the strain on the battery.
To answer your question, how do I know if my Dyson needs a new battery? Track the run time, charging time, and take note of the red flashing lights. These are all warning signs that you need to find a replacement.

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