Battery and trickle charger (3.6 A) with battery monitoring function. Please note: An adapter is available as an option for vehicles without cigarette lighter. Not suitable for Porsche lightweight batteries (lithium ion) Simple and safe charging of the battery as well as maintenance of charge during extended immobilisation times. No removal of the battery necessary, as the charging process takes place via the cigarette lighter connection. Charge state of the battery can be read off via an LED (light-emitting diode) Attractive look Easy operation Charging current adjustable in two stages and therefore also suitable for small 12-volt batteries