The DC Laptop Power Adapter adjusts the output voltage to the correct operating voltage and amperage requirements for this series of laptops. This adapter has been designed to meet electrical and environmental standards of MIL-STD461E, MIL-STD1275D and MIL-STD810F. - Full continuous rated power output. - Output short-circuit shutdown - Output current limit - Adapters are housed in rugged aluminum cases and epoxy encapsulated to resist shock and moisture. - Flanged ends for easy mount installation. Independent laboratory testing has been done on the adapter regarding these standards and the testing results are available as a download Military Spec Adapters (22MB pdf)