Do you always want to have a charged battery in your car? Then you need the HULKMAN Sigma 5 battery charger! It has a large LED display that shows all information about the charging process: current voltage, selected operating mode and battery charge status. Sigma 5 features automatic battery diagnosis and recovery. Simply connect the charger to the battery and it will determine the right mode of operation to recharge the battery as soon as possible. The charger is suitable for 6 or 12 volt lead-acid and lithium-ion batteries. Its capacity is 5 amperes, which is enough for all types of car batteries.