Metabo HPT (was Hitachi Power Tools) MultiVolt 36 Volt 4 Amp Hour; 4 Amp Hour Lithium Power Tool Battery Adapter Kit (Charger Included) Moulding and vertical applications with enhanced '3798823 and vertical applications with enhanced scratch resistance from EliteForm technology UL Listed Manufacturer Warranty 1 year limited warranty ALL DAY RUNTIME: Use the AC adapter with power cord for all day runtime on MultiVolt tools MULTIVOLT: Power source option for the MultiVolt power tool platform that offers the power of a corded tool AWARD: 2018 Pro tool review innovation award winner CONTINUOUS OPERATION: Provides continuous operation when power is available giving the user the option to plug in and continue working without having to worry about battery charge USE WITH GENERATORS: Can be used with generators or long extension cords with little to no power loss CORD: 20 foot cord gives the user more maneuverability when in use PIVOTING CORD: Pivoting cord position from 90 to 180 degrees to ensure a more comfortable operation for the tool in use POWER: Input power source is single phase av 120 V 60 Hz and produces a maximum power output of 2 choose to use the MultiVolt AC adapter and reserve the MultiVolt battery for when you need portability to suit the application