The DC Laptop Power Adapter's microprocessor control adjusts the output power to the full operating requirement for this series of laptops. The Lind DC DC adapter for the Dell laptop models will operate these laptops and will recharge its battery. PRODUCT FEATURES Adapters are housed in rugged Aluminum cases sealed for durability Output short circuit protection Safety current limiting Internal temperature limit cut off circuitry Automatic Reset after cut off conditions return to normal UnderVoltage OverVoltage Protection. This Adapter is compatible with Dell For 12 to 32VDC Input Systems Inspiron 6000, 300m, 400m, 500m, 600m, 630m, 700m, Latitude D400, D410, D500, D505, D510, D600, X300, XPS M140, Precision M20 series. For a complete compatibility list please refer to the original manufacturer's web site.