The LitheLi cordless Lithium-Ion string trimmer delivers superior performance via a Brushless Motor powered by a 40V 2.5 battery for runs times to get the job done with confidence. So much quieter than gas, instant on and no mixing gas and oil so no mess and no fumes. Not just great performance with a soft cushion adjustable handle and telescoping aluminum shaft this trimmer is light weight, ergonomic and provides comfort for every user. Of course its quieter than gas, instant starting and best of all virtually zero maintenance, no pull cords, no mixing gas and oil and no smelly gas fumes. Weight without the battery is 4.0Kg (8.81 lbs) Warranty: Tool 5 year battery 3 year