Backpack utilizes four lithium-ion batteries to provide longer run time for LXT® and LXT® X2 (36V) tools Connector cord compatible with 18V adapter or 18V X2 (36V) adapter (18V adapter sold separately) Adjustable ergonomic harness for operator comfort Battery box can be detached from the harness for use as a stationary power supply Integrated LED battery charge level indicator allows monitoring of battery charge on all four batteries individually Durable housing with base allows product to stand upright Integrated carry handle for operator convenience Pouch holds the adapter when not in use eXtreme Protection Technology (XPT™) is engineered for improved dust and water resistance for operation in harsh job site conditions IPX4 weather-resistant construction for durability and long life Equipped with Star Protection Computer Controls™ to protect against overloading, over-discharging and over-heating Compatible with Makita® 18V Lithium-Ion batteries with a Star symbol Only use genuine Makita® batteries and chargers Includes: 18V LXT® X2 adapter, Adjustable harness assembly, Adapter pouch Battery Type Lithium-Ion Dimensions (L x W x H) 15-3/4" x 7-5/8" x 5-3/16" Manufacturer's Warranty 3 Year Limited Net Weight 11.2 lbs. Voltage 18 V/36 V