Last Updated: May 26, 2025 (Refresh Now)
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Black Decker 40V MAX String Trimmer and Edger Kit Cordless 13 inch 2 in 1 Battery and Charger Included LST140C

Last Updated: May 26, 2025 (Refresh Now)
6.5
SCORE
/10
Total Reviews
997
Old Reviews
852
Unverified
41
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Review Analysis - 104 recent, verified reviews

Detailed Mode
Battery
 41
charge, charger, trimmer, 40v, charged
+46%
-54%
comment
" ...  crap sent wrong charging unit and now just a piece of crap AND now I see string cover fell off, from factory, and string unit is gone.  ...  "
comment
" ...  This the 2nd time I bought this product and not sure if the battery, charger or the product itself the last long. ... The battery works for 15-20 minutes of usage and the battery dies.  ...  "
comment
" ...  WOULDN'T CHARGE.  ...  "
comment
" ...  We purchased 2 but batteries failed on both.  ...  "
comment
" ...  When I first received, place battery on charge. ... The battery that come with the system would not take a charge. ... Because of the dilemma with the supplied battery, I ended up purchasing a 3.0AH 40V battery, after charging everything worked fine in the beginning. ... This unit must be an old unit that has been sitting for quite some time because the unit I was looking at had a battery power control. ... I feel cheated because the original battery would not take a charge and that this is not the unit I seen in the video and thought I was purchasing.  ...  "
comment
" ...  Battery life is unexpectedly short and replacement is expensive. ... The dilemma is don't replace the battery and waste a perfectly good trimmer or buy a battery I have no confidence in.  ...  "
comment
" ...  I don’t have a problem with the trimmer itself but the batteries don’t hold a charge. ... B&D says it’s warranted for 2 years but when you buy it the Amazon the battery is already old (passed the battery’s 2 year battery life). ... And B&D won’t stand behind the battery).  ...  "
comment
" ...  Battery did not fit in the small charger, tabs were broken on the guard.  ...  "
Cut
 23
trimming, cutting, worx, weeds, grass
+70%
-30%
comment
" ...  This 40v has all the power of a gas trimmer but without the exhausting startup pull. ... I love that u can use the battery for my chainsaw and hedge trimmer too.  ...  "
comment
" ...  It goes through trimmer line before you know it.  ...  "
comment
" ...  Like this string trimmer - lightweight and does a good job trimming my yard!  ...  "
comment
" ...  This is my third B&D trimmer in 10 years. ... I ask a lot of my trimmers as there is a lot of different types of trimming to be done on our multi acre property, from grass to light brush. ... This trimmer has reasonably stood up to the tasks. ... Other than that, this is a reliable and fun to use trimmer.  ...  "
comment
" ...  This is easy to get in around plants, or trimming along the fence.  ...  "
comment
" ...  I have a big yard and it does a great job cutting thru weeds and grass, plus it weighs lass than my last one.  ...  "
comment
" ...  It only has a single line for cutting but gets the job done. ... It's perfect for trimming around the house.  ...  "
comment
" ...  It isn’t heavy and cuts very well.  ...  "
Battery / Charging
 16
charger, charge, trimmer, charging, 40v
+31%
-69%
comment
" ...  Battery would not charge.  ...  "
comment
" ...  WOULDN'T CHARGE.  ...  "
comment
" ...  When I first received, place battery on charge. ... The battery that come with the system would not take a charge. ... Because of the dilemma with the supplied battery, I ended up purchasing a 3.0AH 40V battery, after charging everything worked fine in the beginning.  ...  "
comment
" ...  crap sent wrong charging unit and now just a piece of crap AND now I see string cover fell off, from factory, and string unit is gone.  ...  "
comment
" ...  Battery did not fit in the small charger, tabs were broken on the guard.  ...  "
comment
" ...  This the 2nd time I bought this product and not sure if the battery, charger or the product itself the last long.  ...  "
comment
" ...  I don’t have a problem with the trimmer itself but the batteries don’t hold a charge.  ...  "
Body
 15
light, handle, position, come, trimming
+60%
-40%
comment
" ...  rugged and works well.  ...  "
comment
" ...  Perfect size and weight for me.  ...  "
comment
" ...  Wood recommend it.  ...  "
comment
" ...  It is light weight.  ...  "
comment
" ...  I like that it is light weight.  ...  "
comment
" ...  The light weight of the tool is a plus, as is the shaft adjustment for storage.  ...  "
comment
" ...  Light weight and easy to use.  ...  "
comment
" ...  Super light weight so it doesn’t hurt my back and does a fantastic job!!  ...  "
Marketplace
 14
defective, described, back, amazon, refund
+29%
-71%
comment
" ...  Need a replacement asap ... New one ordered, I’d like to return the defective one I ordered 6/15  ...  "
comment
" ...  We received no solution from the company (Black and Decker) except to return the edgers.  ...  "
comment
" ...  Sending it back.  ...  "
comment
" ...  Never thought about the possibility of a defective tool.  ...  "
comment
" ...  Had to send it back.  ...  "
comment
" ...  Can’t return it at this point.  ...  "
comment
" ...  UPS, GRATEFULLY PICKED UP FOR RETURN .  ...  "
comment
" ...  I would not recommend this product and I have to think twice before buying from Amazon again since this is an older unit without the battery power level controller.  ...  "
Reliability
 10
2, days, ago, quit working, months
+30%
-70%
comment
" ...  The motor/spool gearing failed within 2 years of relatively light and infrequent use.  ...  "
comment
" ...  Have not had for 30 days and it smoked and stopped working.  ...  "
comment
" ...  THAT WAS 8 DAYS AGO .  ...  "
comment
" ...  DON'T ORDER BND factory crap  ...  "
comment
" ...  I am going to try and get a hold of black and decker and see if they can help, I just bought this last month and used twice.  ...  "
Usage
 8
yard, want, trimming, stay, property
+88%
-13%
comment
" ...  This was bought for my 80 year old mother.  ...  "
comment
" ...  Works great and easy to use!  ...  "
comment
" ...  It's perfect for trimming around the house.  ...  "
comment
" ...  String change is super easy.  ...  "
comment
" ...  I do a lot of work in the yard and our property.  ...  "
comment
" ...  This one is perfect and easy to use!  ...  "
Marketplace / Returns
 8
back, refund, ordered, one, defective
-100%
comment
" ...  We received no solution from the company (Black and Decker) except to return the edgers.  ...  "
comment
" ...  Had to send it back.  ...  "
comment
" ...  UPS, GRATEFULLY PICKED UP FOR RETURN .  ...  "
comment
" ...  Can’t return it at this point.  ...  "
comment
" ...  I returned it.  ...  "
comment
" ...  Need a replacement asap ... New one ordered, I’d like to return the defective one I ordered 6/15  ...  "
comment
" ...  Sending it back.  ...  "
comment
" ...  Way too late for a refund.  ...  "
Marketplace / Marketplace
 7
amazon, purchased
+86%
-14%
comment
" ...  Received quickly and as described.  ...  "
comment
" ...  Hence, the 4 star review.  ...  "
comment
" ...  It's exactly as described in the write up.  ...  "
comment
" ...  Amazon took care of it and sent a new one promptly.  ...  "
comment
" ...  Purchased last prime day.  ...  "
Comfort
 6
string, slip, light, head, handle
+17%
-83%
comment
" ...  Also, it eats monofilament string like crazy, so make sure you have more on hand than you think you will need.  ...  "
comment
" ...  The head blew smoke just after 10 minutes of use.  ...  "
comment
" ...  The only thing I don't like is that it uses a lot of string.  ...  "
Size
 4
stay, slip, position, weight, want
+25%
-75%
comment
" ...  In addition, on the protective cover the plastic screw will not come out of the screw slot so I cannot secure the cover.  ...  "
Marketplace / Defective Delivery
 4
return, ordered, one
-100%
comment
" ...  Never thought about the possibility of a defective tool.  ...  "
comment
" ...  They have totally cheaped out on their product durability and it was broken when I opened the box.  ...  "
comment
" ...  New one ordered, I’d like to return the defective one I ordered 6/15  ...  "
Marketplace / Product As Described
 3
+100%
comment
" ...  Received quickly and as described.  ...  "
comment
" ...  It's exactly as described in the write up.  ...  "
Cleaning
 3
years, one, heavy
+67%
-33%
comment
" ...  I have a heavy duty Ryobi for heavy brush so I particularly enjoy the ease of using the B&D.  ...  "
comment
" ...  I used one for more than six years on all kinds of weeds and light brush on my rural property in Virginia.  ...  "
Cable
 3
cord
+67%
-33%
comment
" ...  Plus it’s easy to operate no pulling strings or cords.  ...  "
comment
" ...  I like the fact I can do light trimming around the house without dragging a cord.  ...  "

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Specifications

No specs available.