Black & Decker CM1640 Review – Take a Closer Look at The 16-Inch Cordless Mower

Black & Decker CM1640 40-volt 16-Inch Cordless Mower
Black and Decker CM1640 16-Inch Cordless Mower, 40-volt

If you are looking for a lawn mower that offers the freedom of cordless convenience then the Black & Decker CM1640 is one available in the market. The battery-operated lawn tool has been described as lightweight, compact, and easy to maneuver. Weighing only 38 pounds, it will be light enough to carry between the front and back yard. Here is an unbiased review of this cordless mower to help you decide whether buying this product is the right move for you.

Battery System

The CM1640 is powered by a 40V Max lithium-ion battery system. Unlike the old NiCad, new Lithium Ion batteries do not hold memory. Compared with lead acid batteries, lithium ion batteries can pack more power in a lighter package and can charge faster. Two rechargeable batteries (LBXR2040) are included in the box. The 2.0 Ah battery pack offers 30% more capacity than the LBXR36 which is only rated at 1.5 Ah. It should give you 20-25 minutes of cutting time based on customer feedback. Each battery has a power gauge to let you know how much power is left.

Fast Charger

This product also includes the Black & Decker LCS36 Maximum fast charger that fits all B&D 36v or 40v Max lithium ion tools. It charges a fully drained battery in 2 hours. Charge time at 60% is 1.5 hrs. With two batteries, you can charge the second battery while cutting with the first. There is a charge indication light that lets you know when your battery is being charged and when the battery has completed recharging. When the pack is fully charged, it can be left on the charger.

The charger automatically starts a Hot/Cold Pack Delay, suspending charging when it detects the battery is excessively hot. This feature is designed to ensure maximum battery life. But this means you cannot immediately recharge a fully drained battery while you mow with the second one. If you have a lawn needing three batteries, you will need to schedule in some downtime. The good news is this mower is compatible with the lower voltage 36V batteries. It accepts LBX36, LBXR36, and LBXR2036 removable batteries. If you already have 36-V cordless tools from B&D, more than two batteries will be available for running this mower.

Black & Decker CM1640 cut height adjustment

Maneuverability

With a 16 in. compact cutting deck, it is an ideal choice for yards 1/8 acre in size or smaller. Although mowers with wider decks allow you to make fewer passes across the lawn, small mowers have their place. If your lawn has a number of landscape features to navigate around, a compact, battery-operated mower is probably the best choice for you. A larger deck does not always mean faster mowing time. This item is not self propelled. But with the lightweight, compact cutting deck, many owners found it very easy to push and maneuver.

Deck Height Adjustment

Every grass has a different recommended mowing height. When it comes to height adjustment, there are 6 positions to choose from. The height of cut is adjusted by the central height adjust mechanism. There is a lever that allows you to quickly adjust the cutting height between 1-1/10 and 3-1/10 inches. No need to configure each wheel separately. The height of the handle is also adjustable to accommodate most individuals. There are three notches on the lower handle. Line up one of them with the notch located on the base of the mower. For easy and convenient storage in small spaces, the handle of the mower can also be folded down.

Safety Features

When it comes to starting mechanisms, what could be easier than a push button start? The CM1640 cordless mower starts with just a push of a button. Unlike gas mowers, no need to pull a rope to start the motor. In order to prevent accidental start-up, the manufacturer incorporates a removable safety key into the design of this mower. When the key is removed from the mower, it will be completely disabled. This mower also has an automatic braking mechanism. The blade will stop rotating in 3 seconds or less when the bail handle is released.

Grass Collection Bag

This push rotary power mower is equipped with a 9.5 gallon grass box. There is an indicator that tells you when the bag is full or empty when the mower is being operated. The indicator will raise when the bag is empty and will close when the bag is full due to restricted airflow. No lawn mower can be perfect at all all aspects. The 16-Inch electric unit does not come with mulching capability.

Pros and Cons

As of this writing, the Black & Decker CM1640 16-Inch cordless mower commands a respectable 4.3 stars out of 5 on the Amazon ratings. This product is not perfect. As mentioned before, it is not a mulching mower. It is designed to be used with the enclosed grass catcher only. Further, If your yard is big enough you may not be able to finish with the two batteries supplied. But despite its limitations, it has received very good feedback from many buyers.

Black & Decker CM1640 with removable Lithium-Ion battery system

The lightweight design is one of its most popular characteristics. Many customers have found that the mower is very easy to turn and navigate. The tires are made of plastic, not rubber but they seem to get the job done. The carrying handle on top of the body makes it easy to transport. This walk-behind mower is mostly of plastic construction. However the build quality is good.

In terms of performance, it certainly will not compare to a gas powered mower. That said, the majority of reviewers have commented that the cutting power is very good for an electric unit. Removing too much grass at one time can cause the motor to be overloaded. This however is to be expected. The fact that the motor simply stops when the amount of grass is beyond its capability has pleased many users. It reduces the chance of overheating.

The bag cannot hold much but is large enough for small yards. Customers have found that the bag is easy to attach. The fill indicator flap is another feature of this mower that many reviewers appreciate. A number of them have also keenly expressed their appreciation for the single lever cut adjustment system that makes it easy to adjust the height of cut. Other popular features of the product include the foldable handle and the safety key. Finally, positive comments have also been made for the machine’s ease of use and its quiet operation.

Conclusion

All in all, as long as you are aware about the limitations of this cordless mower, this product can be a good choice. If you have a big lawn and have to deal with a lot of weeds, it may not be a smart investment. But if what you need is a mower that is easy to use, light weight and cordless, then the B&D CM1640 40-Volt mower is worth considering.


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