DELL 3CELL BATTERY 43WHR

The Dell 7P3X9 is an internal replacement battery for a compatible laptop and is associated with model TRHFF.

Its three-cell Li-Polymer design is rated at 11.1 V and 43 Wh. The 7P3X9 listing gives a capacity of 3840 mAh; Dell’s battery sheet also records 4040 mAh alongside 3840 mAh for this part number.

The internal format is intended for installation inside a compatible laptop. These specifications help identify the replacement by voltage, stored energy and cell count.