The Greenworks 60V 16" Top Mount String Trimmer with 4.0 Ah Battery & 3 Amp Charger is a powerful and intelligent trimmer that offers exceptional performance. It is part of a comprehensive range of residential outdoor power equipment. With a top speed of 6,000 RPM, it delivers more power than other gas trimmers. The advanced load sense technology ensures that the trimmer never bogs down and senses when more power is required for a perfect cut every time. It features a compact top mount brushless motor, allowing for the use of different universal attachments for various lawn applications. The trimmer can run for up to 50 minutes on a single 4.0 Ah battery and offers continuous runtime with interchangeable batteries. The included 3 Amp charger can recharge the 4.0 Ah battery in 80 minutes or less. The Greenworks brushless motor makes the trimmer quieter than gas trimmers, reducing noise pollution. It is also lightweight, weighing only 9.15 lbs., and has low vibration, reducing fatigue during prolonged trimming sessions. With a Load-N-Go trimmer head that holds up to 18' of 0.095" spool, loading line becomes quick and easy. By choosing the Greenworks 60V trimmer over gas trimmers, you can save over $400 in a five-year span. There is no need to buy gasoline, oil, filters, spark plugs, or fuel lines, eliminating the need for engine maintenance and downtime. Additionally, it is environmentally friendly, with no fumes or emissions. Overall, the Greenworks 60V 16" String Trimmer offers outstanding performance and efficiency, allowing you to work smarter and save time, money, and energy. Includes 4.0 Ah lithium-ion battery, 3 Amp charger. Battery is compatible with 75+ Greenworks Pro 60V products.