Dell Battery laptop battery, 6K73M, YGMTN, MK1R0, 312-1392, 49VTP, MR90Y, 4DMNG

The Dell 4DMNG is a rechargeable laptop battery for portable computer use. Dell documentation associates part 4DMNG with model MR90Y and also lists YGMTN under that model name with the same electrical ratings. These identifiers describe the documented battery variant without tying it to a particular laptop model.

Its 11.1 V nominal voltage, 5700 mAh rated charge capacity and 65 Wh energy rating specify the electrical characteristics Dell records for part 4DMNG. The capacity and voltage help identify the variant when checking a replacement for a compatible laptop.

The battery stores electrical energy so a laptop designed for this variant can operate away from mains power. The available information does not establish dimensions, connector details, cell count, package contents or compatibility with a specific computer, so those details should not be inferred from the part number alone.