Sealey Premier Battery Support Unit Charger & Maintainer 40A

- Fully automatic 7-stage battery charger and maintainer, designed for charging a variety of EFB & AGM (stop/start), GEL, lead acid and calcium batteries with auto chemistry selection. - Additional function to charge lithium batteries via selection button. - Automatically selects and charges 6, 12, or 24V - Zero volt battery charging, enabling recovery and charging of a completely discharged battery (providing any load removed from the rechargeable battery). - Old battery sulfation repair function. - 13.5V DC power supply for battery support function providing support for the battery during prolonged electronic diagnostic checks. - Reverse polarity, short circuit, over temperature and overcharging protection. - Built-in cooling fan that only operates when required. - Intuitive LED screen displays charging voltage, current, battery capacity percentage, and illuminated charging stages. - Compact design with mounting brackets for permanent fitting. - 5 Year guarantee*.