With the HooymanA(R) 40v 2Ah Lithium-ion Battery, you'll get a longer runtime, better performance and fade-free power without the memory loss of other batteries. It snaps in and out of your Hooyman Pole Saw (Item No. 704589) quickly and easily. Plus, a LED battery-charge indicator provides at-a-glance power status. Have one on hand and keep your saw up and running. 40-volt high-power rechargeable 2Ah Lithium-ion battery Up to 70 minutes of power 40% longer life than other conventional batteries LED charge indicators for power level checks 1-hour charge time