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For a ready-to-work kit, DEWALT DCST925M1 includes a 4.0Ah battery and charger. Choose STIHL FSA 57 Set for a lighter line-trimming profile, or WORX WG186 when attachment capability matters.
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For a ready-to-work kit, DEWALT DCST925M1 includes a 4.0Ah battery and charger. Choose STIHL FSA 57 Set for a lighter line-trimming profile, or WORX WG186 when attachment capability matters.

The RYOBI 40V HP Brushless 17” String Trimmer Kit is our strongest all-round fit for demanding growth. Choose the RYOBI 18V ONE+ 13” kit for lighter edging, or DEWALT’s 60V kit for a wider cutting swath.
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For a ready-to-work kit, DEWALT DCST925M1 includes a 4.0Ah battery and charger. Choose STIHL FSA 57 Set for a lighter line-trimming profile, or WORX WG186 when attachment capability matters.

The RYOBI 40V HP Brushless 17” String Trimmer Kit is our strongest all-round fit for demanding growth. Choose the RYOBI 18V ONE+ 13” kit for lighter edging, or DEWALT’s 60V kit for a wider cutting swath.

The RYOBI 40V HP kit is the broad-cut pick for demanding trimming; DEWALT DCST925M1 balances a smaller cut with an included pack, and STIHL FSA 57 suits lighter work.

For small-yard control, STIHL FSA 30 keeps the tool light and includes an AS-system kit option. Move up to DEWALT or RYOBI for wider cutting paths and more demanding trimming.
Common questions
Install a charged compatible battery until it locks in place, then follow the model's manual for its lock-off and trigger sequence. Keep the guard fitted and clear grass from the head only after removing the battery.
It depends on the charger. BLACK+DECKER support says rapid red flashing on some chargers can indicate a weak or damaged battery; alternating fast and slow flashes can indicate a battery that is too hot or cold. Check the exact charger's manual before acting.
Do not assume they are interchangeable based only on the label. Check the tool model, battery family and approved accessories in its manual; BLACK+DECKER describes the LST300 as a 20V MAX trimmer, for example.
First confirm the outlet works and the battery is fully seated. If it is warm after use, BLACK+DECKER advises allowing it to cool before trying again; persistent fault indications should be checked against the charger manual or by an authorized service centre.
Use the model number on your battery and trimmer to identify the compatible charger in the official manual or BLACK+DECKER parts and accessories listings. Avoid choosing by connector shape alone.
It can take testing to distinguish a battery fault from a charger fault. BLACK+DECKER recommends comparing with a compatible battery where the manual permits and contacting an authorized service centre if the indicator persists.