43Whr 3-cell lithium-ion

Dell TRHFF is a lithium-ion laptop battery, identified in Dell documentation alongside reference 1WWHW. These designations help distinguish this battery variant when checking a replacement.

It has a rated voltage of 11.1 V and an energy capacity of 43 Wh. Dell lists two charge-capacity values for the same entry: 3800 mAh and 3840 mAh. Together, these figures describe the battery’s electrical characteristics.

The cited documentation does not identify compatible laptop models or specify package contents.