Power supply system for radio base station

摘要

The present invention relates to a method for supplying power to a radio base station, comprising the steps of controlling power supply to said radio base station from a battery set such that all power to the base station is supplied from the battery set and initiating charging of said battery set from an external energy source when the energy level of said battery set falls below a first preset energy level and terminating the charging when the energy level of said battery set exceeds a second preset energy level. Further the present invention relates to a controller for supplying energy to a radio base station and a system comprising such a controller.