Battery Pack (Primary) 3-Cell

The HP HSTNN-IB7L is an internal battery for compatible HP laptops, supplying power away from an outlet or serving as a replacement for the installed battery. Its three-cell Li-Polymer design identifies the battery type.

It is rated at 11.55 V with a capacity of 4420 mAh, also listed as 51 Wh. Check the model before choosing it: listed suitable systems include HP ProBook 650 G3 and G4, ProBook 640 G2 and 440 G5, EliteBook 745 G4, 755 G4 and 840R G4, plus ZBook 14u G4 and 15u G4. It is for internal installation in a supported laptop.