Redback 106050 40V Battery - 2Ah, 30 Minute Recharge, No Memory Loss, 1.98 lbs - Black Powers a complete range of Redback Lithium Ion power tools to get you through your toughest chores  from hedgers and string trimmers to blowers and chainsaws, you can expect more with this investment. The Redback 40V battery has the Lithium Ion advantage of no memory loss effect after charging. Recharging is simpler and faster than other battery operated platforms. Features a battery charge gauge for electronic monitoring of battery cell life.