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We have little doubt Bosch has specified a lower torque brush bar motor to save power and increase runtime but – like the ineffective normal power mode – it’s a false economy. We would happily trade a couple of minutes of Turbo runtime for a brushbar that cleaned consistently without slowing or stopping. It’s not an issue we have experienced with Bosch’s premium competitors either. That alone lets down an otherwise excellent carpet-cleaning performance. Close-to-edge cleaning was very impressive, and even close up, the Turbo mode delivered a decent clean in just this single run. It took a couple of passes to get rid of all the heavier carpet powder particles, but the good suction did well in one pass. The two batteries supplied with this model are remarkably compact and light for their capacity. For comparison, a lot of budget cordless cleaners come with 1.5Ah or 2Ah batteries that are larger and heavier. The solid capacity promises a whole lot of run time from the cleaner, with the ability to swap out batteries and charge while you are cleaning.
This combination allows Bosch to claim ‘unlimited’ runtime for this cleaner. On standard power setting, it will go for an hour, and the charger can power up a battery in 55minutes. With the two batteries, theoretically, you simply won’t run out of power.
The Bosch Unlimited 7 gets many things right, but doesn’t keep pace with the latest cordless stick developments
As it is, the normal mode provides ineffectively low suction power. It’s of very little use in typical day-to-day household cleaning and I guarantee most users will simply default to the Turbo setting all the time. At which point, nine minutes is not much at all for general floor vacuuming duties. Good job Bosch supplies two batteries. At 65dB, the BCS122GB competes with some of the market’s best low-noise and ‘silence’ mains cleaners. You won’t disturb the neighbours even during midnight cleaning sorties.
After due research I decided on replacing my cheap vacuum cleaner, which wore out after about 3 years, with this Canstar recommended product. The head’s superb articulation allows it to turn into all but the tightest of turning steps, although it remains too large to flip up and do the verticals. For those, we used the triangular upholstery tool, which was effective if not swift.In constant use, we got single-battery run times a fair bit longer than Bosch’s claims. These ranged from a truly staggering 89 minutes on normal power mode with just a detail tool attached, to a fairly respectable nine minutes on Turbo power mode with the floorhead running. An hour and half of cleaning from a single battery is our new vacuum cleaner runtime record by miles – and you get two batteries. Three hours of vacuuming anyone? No, us neither.
Yet the 18 minutes runtime (nine minutes x 2) on the Turbo mode gives you ample high-power floor cleaning to rival any current mains-powered cleaner. On normal power mode with no tools, this cleaner barely registered 65dB of noise output. That is much quieter than most of its premium cordless competitors and the sound is an inoffensive drone – as opposed to the dentist-drill sound of some. The Bosch has two power levels, normal and Turbo. To summarise, let’s call these settings ‘poor’ and ‘properly effective’ respectively.Thankfully, because of the two batteries, this Bosch delivers plenty of serious Turbo-mode cleaning runtime. With the fast charger taking 55 minutes, power is not quite unlimited, but you can get a very long way around the house in 18 minutes. Bosch Unlimited BCS122GB – How noisy is it? The extension wand has a hinge about two-thirds of the way up that can be released to allow it to bend up to 90 degrees. This is particularly useful for getting under low furniture. The long, bendy crevice tool is also handy for getting into narrow spaces behind wardrobes and radiators. It’s not unique to Bosch, but there aren’t many models that come with one of these as standard. The white light on the Bosch Unlimited Serie 6 BCS611AM vacuum cleaner briefly turns on, followed by the red light, and then nothing, when it is plugged in to charge because the battery is not charging. To resolve this issue, please follow these steps: We used the Unlimited BCs122GB on stairs with both the tube attached and with the floorhead connected directly to the cleaner body. Both worked well and, if you have straight steps, the tube gives extra reach and you can support it with your other hand. For more complex stairs, shortening up the system and using the floorhead directly works well.
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