Features & Benefits Powerful G-MAX 40V Li-Ion Systems delivers greater efficiency with up to 70 minutes of run time with included: 40V Li-Ion 2Ah and 40V Li-Ion 4Ah battery along with compatible charger. 20-Inch cutting deck offers a great balance of maneuverability and cutting capacity making it ideal for mid-sized areas Innovative SMART CUT technology adjust for power or runtime based on the thickness of your grass Dual blades offer better cut quality, superior mulching and bagging capabilities Automatic battery switchover pulls power from the second battery once the first is depleted to eliminate downtime 5 position single lever height adjuster allows for a cutting height range of 1-3/8" to 3-3/8" 2-in-1 feature offer versatile use with mulching and rear bagging capabilities Air flow tab on rear bag indicates when the bag is full and needs to be emptied Easy Fold System for storage or compact transportation 10" rear wheels and 7" front wheels make it easy to maneuver through any range of terrain Includes two 40V batteries and a charger, 2ah and 4ah battery Use with (2) G-MAX 40V 4 AH Li-Ion battery for up to 90 minutes of runtime Compatible Only with GreenWorks G-MAX 40V Battery Models 29462, 29472 and Charger 29482 Model 25302 : G-MAX 40V 20-Inch TwinForce Mower What's in the Box: G-MAX 40V 20-Inch Twin Force Mower : Rear Discharge Bag : Mulch Plug : Isolator Key : 4Ah Battery : 2Ah Battery : Charger : Owner's Manual Product ID 49054443