20 V 4.0 Ah WORX POWER SHARE PRO battery with charge indicator Intelligent Worx Power ShareT PRO batteries offer increased autonomy, enhanced heat dissipation and shock protection. They are also compatible with all Worx 20V, 40V and 80V garden, lifestyle and power tools. Communication technology for maximum performance and efficiency Electronic battery management system to maximise power, performance and range Heat shield dissipates heat and extends battery life Cell protection protects cells from overheating TECHNICAL DATA Supply voltage 20 V Max Battery type Li-Ion Battery capacity 4.0 Ah PowerShare battery technology Charging current YES Battery low indicator With battery indicator Weight and dimensions Weight without battery 0.7 kg