EU wall plug. Dimensions 101mm wide x 210mm long x 59mm high. Charges all flooded, sealed, maintenance free, AGM and lead acid batteries . Microprocessor controlled, 110-240V compatible. Adapts to battery needs and offers fully automatic 4-stage charging program, initialization / bulk charge / absorption mode / float mode, as required. A red LED indicates a ‘dead’ battery or something else when the battery is unable to take the charge. A green LED blinks during the charging process, until the battery is at least 80% charged. A constant lighting green LED indicates the battery is ready for use. CE approved.