Black+Decker LSTE523 20V Trimmer/Edger vs Ryobi 18V ONE+ 13 in Trimmer/Edger

Last updated: October 31, 2026

The Ryobi 18V ONE+ 13 in Trimmer/Edger is the better string trimmer overall, rated 3.7 to 3.2. The Ryobi 18V ONE+ 13 in Trimmer/Edger leads on line, warranty and swath. The Black+Decker LSTE523 20V Trimmer/Edger wins on value. The Black+Decker LSTE523 20V Trimmer/Edger costs $27.96 less ($109 vs $136.96).

Black+Decker LSTE523 20V Trimmer/Edger vs Ryobi 18V ONE+ 13 in Trimmer/Edger

Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every battery string trimmer; a clear win is highlighted. How we rank explains each one.

Factor weightRyobi 18V ONE+ 13 in Trimmer/EdgerBlack+Decker LSTE523 20V Trimmer/Edger
Overall rating3.7/53.2/5
Value 30%75 $10.54 per inch of swath ($136.96 with batteries and charger, 13 in swath)88 $9.08 per inch of swath ($109 with batteries and charger, 12 in swath)
Line 20%50 .080 in line0 .065 in line
Swath 15%40 13 in swath20 12 in swath
Weight 15%100 6.9 lb90 7.6 lb
Warranty 20%50 3-year warranty25 2-year warranty

Specifications

Ryobi 18V ONE+ 13 in Trimmer/EdgerBlack+Decker LSTE523 20V Trimmer/Edger
Cutting
Cutting swath13 in12 in
Largest line.080 in.065 in
Line feedAutomatic feedPush-button feed
ShaftStraightStraight
Converts to edgerYesYes
Takes attachmentsNoNo
Power
Engine or battery18 V, 4 Ah of battery20 V, 2.5 Ah of battery
Battery energy72 Wh45 Wh
Battery includedYesYes
Runtime55 min-
Variable speedYes-
Build
Weight6.9 lb7.6 lb
Warranty3 years2 years

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