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
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.