Poulan Pro 501099401 40V 2Ah 73 Wh Replacement Battery The Poulan Pro 2Ah Lithium-Ion Battery powers any tool in our 40-Volt Cordless family: Axial Blower, Chainsaw, Hedge Trimmer, Pole Saw, String Trimmer, Mower Battery Holds charge for up to a year without harming the battery when stored in recommended conditions in accordance with your instruction manual. Dual Lithium-Ion Battery system runs at full power for the complete charge Easy to read Battery Charge Indicator lights for power level check