This model is the best cordless vacuum cleaner at a regular price of $450. It is an ideal handheld vacuum for small homes, particularly those with hard flooring. Of course, it also works well on carpet. Its weight is 2.6 kg and its battery life is in the range of 10-40 minutes. According to 1,745 reviewers on dyson.com, the overall rating of this vacuum cleaner is 4.8/5. The outstanding feature of the V8 ABSOLUTE model is its hassle-free and robust suction.3. BOSCH UNLIMITED BCS122GBThis product is a cordless vacuum cleaner that weighs 3.5 kg and costs around $500 at its regular price. The BOSCH UNLIMITED BCS122GB has two batteries, helping to extend the running time with a battery life in the range of 15-25 minutes per battery. The vacuum cleaner has two power levels: normal and Turbo. The high suction in Turbo mode offers great cleaning on hard floors and carpet. Meanwhile, the normal mode is suitable for light vacuuming duties.4. V11 ABSOLUTELike the V8 ABSOLUTE model, the V11 ABSOLUTE is Top Rated Vacuum Cleaners. It weighs 2.97 kg. The addition of suction at the head and smarter power management makes the V11 ABSOLUTE vacuum cleaner more powerful and expensive than the V8 model. It costs about $600 and its battery life is in the range of 20-60 minutes depending on the power setting. There are three modes to optimize your cleaning and save energy. They are Boosts, Auto, and Eco. If you use Boost mode, the vacuum cleaner can run only about 20 minutes. If you set up the middle-range Auto mode, the vacuum cleaner can generally last 30 minutes. If you choose Eco mode, its battery life can reach one hour. The mode also depends on the type of floor you have and your cleaning task. 5. BIG BALL ANIMAL 2This model is the best cylinder vacuum cleaner at a regular price of $600. Its weight is about 7.5 kg. Dyson offers a warranty of up to five years for this product. The BIG BALL ANIMAL 2 uses the latest technology from Dyson. Thus, it offers excellent cleaning with no bags to buy and no filter to wash. According to 381 reviewers on dyson.com, the overall rating of this vacuum cleaner is 4.3/5. It has been assessed as having the most forceful suction among the top vacuum cleaners. Thus, the BIG BALL ANIMAL 2 is the best choice for removing pet hair as well as deep cleaning carpet.In conclusion, if your budget is in the range of $250-$600, you have five choices among the Best vacuum cleaners: The vacuum cleaners you need to buy in 2019 from the Dyson brand, including the LIGHT BALL MULTI FLOOR, the V8 ABSOLUTE, the BOSCH UNLIMITED BCS122GB, the V11 ABSOLUTE, and the BIG BALL ANIMAL 2.