Intelligent battery charger and battery maintenance device with multi-stage charging cycle. The OSRAM BATTERY Charger 906 is an intelligent 6A charger and battery maintenance device for 6V to 12V vehicles as well as most box wagons and delivery wagons. At the push of a button, a 7-stage charging cycle is started for lithium batteries and a 9-stage charging cycle for lead-acid/AGM batteries. Has a digital display for simplifying the charging process and a variety of safety functions including polarity reversal protection and overvoltage protection. Simply connect and be sure that the charger is waiting for your car battery: It automatically switches to the long-term maintenance mode as soon as the battery is fully charged.This text is machine translated.