DELLの ノートPCの デスクトップモードと長寿モード

XPS 13 Battery Longevity & Desktop Mode. - General Hardware - Laptop - Dell Community

この"The battery only charges between 50-100% when desktop mode is enabled."とか、"The battery only charges between 88%-100% when longevity mode is enabled."とかいうのが分かりづらい。