A method and a system for docking a robotic mower with a charging station is disclosed wherein the robotic mower comprises a control unit, a Real-Time Kinematic, RTK, unit, and a sensor and the charging station comprises a signal generator () and two near ...

An electric energy storage device which includes four energy units with a substantially same voltage value is provided. Each energy unit is provided with a positive electrode and a negative electrode. The electric energy storage device comprises a socket w...