20 volt lithium battery has improved 2 Amp hour cells for longer run time. Fits 18 volt and 20 volt Worx tools and chargers.
Dewalt Lithium Battery, Series: LBXR2036, 40 V Nominal, 2 Ah Nominal, 1 - 2 hr Charge Time, Suitable For Use With: 36V and 40V MAX String Trimmer, Hedge Trimmer/Sweeper and Sweeper VAC, Black/Orange, Includes: Charger
EcoSharp Lithium Battery, Series: IBAT40, 40 V Nominal, 4 Ah Nominal, 40 min Charge Time, Suitable For Use With: All Snow Joe and Sun Joe Cordless iON Chain Saws, Energy Star Certified, ETL Approved
20 volt max premium XR 5.0Ah Lithium Ion battery pack provides immediate feedback on state of charge with the 3 LED fuel gauge system. Lightweight at only 1.4 lb design for easy transporting. No memory and virtually no self-discharge for maximum productivity and less downtime.