OSRAM BATTERYcharger 904 is a compact 4 A smart battery charger and maintainer for 6/12 V batteries: lithium batteries with 7-stage charging cycle and AGM with 9-stage cycle. EFB and lead acid batteries. The charger has an automatic mode. which charges or maintains the battery in the vehicle. which has been standing for a long time or whose battery is already charged. The digital display makes charging easy and a number of safety functions (polarity and short circuit protection) ensure a convenient and safe charging process. In winter conditions, the charger protects the battery in cold conditions. Suitable for vehicles with Start / Stop capability. Technical information: Up to 4 in charging mode Up to 2 in maintenance mode Up to 90 A can charge batteries A Battery length of battery clamps 1.5 m Power cord length 1.5 m