The microprocessor controlled battery charger and trickle-charger UL30i is built according to the requirements of the German Border Police. The charger is intended for 24V wheeled and armored vehicles or water gun trucks. The charger is built in an aluminum housing IP65 equipped with strong magnets which enable fixation on the vehicle outside during charging process. The charging cable is fixed mounted with magnetic contact (MagCode). The charger is shock and vibration tested and can be used for permanent transport on the vehicle.