The Greenworks GWGSK40B4 40v Cordless Battery 4ah and Standard Charger Set offers a convenient and efficient solution for powering your Greenworks tools. This starter kit provides the necessary components to get your cordless tools up and running. The 4ah lithium-ion battery offers ample power for extended use, while the included charger ensures quick and easy recharging whenever needed. Designed to be compatible with a wide range of Greenworks 40v tools, this starter kit offers versatility and flexibility for various applications. Features & Benefits • Part of the 40v family – Compatible with all Greenworks 40v Garden and Power Tools • Quick and easy recharge • Compact and powerful • No self-discharge • Battery level display – shows current power level • No emissions Specifications • Battery Voltage: 40v • Battery Ah: 4ah • Charger Time 1ah: 1 Hour • Charger Time 2ah: 2 Hours • Weight: 1.2kg