Ryobi takes cordless to the next level with the 18-Volt Lithium+ String Trimmer. This string trimmer is designed to deliver cordless convenience without sacrificing power. With an 18-Volt 4.0 Ah Lithium+ battery pack, this string trimmer delivers longer run time and fade-free power. Ryobi also loads this string trimmer with convenient features like the 11 in. to 13 in. adjustable string width for ultimate cut control. The 90 degree pivoting head swings out for easy walk-behind edging, and the charger has your battery fully recharged in under 2.5 hours.