Redback E137C 40V Brushless Motor 16 Inch Deck Cordless Lawn Mower - With 4AH,6AH Battery,2ACharger 40V Lithium Ion Battery and brushless motor offer powerful performance; Foldable Ergonomic handle with LED battery capacity indicator; Cutting Path: 15 inch, Central height: 5 stage,No load speed: 4000 rpm, 40L BAG(full plastic); Recommend 40V 4.0Ah or 6.0Ah Battery; Lawn Mower With 4Ah and 6Ah Battery and 2A Charger;