WORX WG251.5 20-Inch 18-Volt Lithium-Ion Cordless Dual-Action Hedge Trimmer Lithium-Ion battery technology: long life, no self-discharge, light weight, no memory effect Two-handed multi grip switch system helps avoid accidental starting Dual action blades for reduced vibration and smooth cutting performance Rapid charging 1/2 hr charger Aluminum blade cover is rust-proof and easy to clean