Black+Decker LSTE523 20V Trimmer/Edger
#14 in BatteryFull review
A budget trimmer and edger for small yards and touch ups. Look elsewhere for overgrowth or large lawns.
Amazon $109$109
3.1/5
An easy trimmer and edger for small, well kept lawns. Choose a trimmer with heavier line for overgrown lots.
- 13 inSwath
- .065 inLine
- 9 lbWeight
- 3 yearsWarranty
Check price at Amazon$159
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Converts to an edger in seconds for driveways and sidewalks
- Automatic feed spool means no bumping for line
- Telescoping pole fits tall and short users
- A dial trades power for runtime to suit the job
Cons
- Thin 0.065 in. line wears quickly against fences and thick weeds
- Black+Decker gives no runtime figure for the small 2.0Ah battery
- Pricier than similar 40V 13 in. trimmers
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its power source. How we rank explains each one.
Specifications
| Model number | LST136 |
|---|---|
| Cutting | |
| Cutting swath | 13 in |
| Largest line | .065 in |
| Line feed | Automatic feed |
| Shaft | Straight |
| Converts to edger | Yes |
| Takes attachments | No |
| Power | |
| Engine or battery | 40 V, 2 Ah of battery |
| Battery energy | 72 Wh |
| Battery included | Yes |
| Variable speed | Yes |
| Build | |
| Weight | 9 lb |
| Warranty | 3 years |
Alternatives in this power source
Makita XRU23SM1 18V LXT 13 in
#15 in BatteryFull review
A light, well balanced 13 in. trimmer for Makita 18V owners with small to medium yards. Without LXT batteries already, bigger swath trimmers cost less.
Amazon $259$259
Stihl FSA 57 Trimmer
#17 in BatteryFull review
A light, simple trimmer for small lawns and edges, sold and serviced by Stihl dealers.
STIHL $189.99$189.99
Compare
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