New electric mower models coming from Black and Decker

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Important note: if you have a question to ask, please ask it at Lawn Mower Forum, either in the Black & Decker area or the Electric & Battery Operated area at that website. I apologize for being unable to handle individual requests for help posted on this blog or sent by email.
 

                                                                                
 

I just saw that Black and Decker is coming out with three new electric mower models -- two cordless and one corded.  Amazon has them available for pre-order, with a release date of March 1, 2010.  The new battery powered models are the CM1836 and CM1936, which have 18" and 19" cutting widths, respectively, and use a 36V battery.  Compare this to 19" and 24V for the CMM1000 and CMM1200.  

The new corded model is the MM1800, with an 18" cutting width.

Here is the info from Black and Decker on these new models:
CM1836
CM1936
MM1800

I can see reasons why the CM1936 could be better than the CMM1000 and CMM1200.  For one, the 36V battery is easily removable, so it would be easy to swap in a second battery and cut larger lawns.  Second, the 36V battery would require less current than a 24V battery, for the same amount of power.  The lower current would mean smaller guage wiring is necessary.  The cutting width of 19" is the same as in previous models.

On the other hand, the CM1836 appears to take a step backward, with it's narrower 18" cutting width.  The battery is not easily removable, so in that respect it is no more convenient than the CMM1000 and 1200.

Of course, I am quite attached to my trusty CMM1000 and wouldn't dream of trading it in.  Yet.