The HP 917678-172 is an internal rechargeable battery for compatible HP laptops, providing portable power when installed. It has four Li-Polymer cells and a rated voltage of 15.4 V.
Its charge capacity is 4550 mAh and stored energy is 70.07 Wh. These are battery specifications; runtime is not stated and depends on the laptop and how it is used.
Listed compatible models include HP Omen 17-an100, HP Omen 15-ce000, HP Pavilion 15-cb000, HP Omen 15-dc1000, HP Pavilion Power 15-cb500, HP Omen 17-cb0000, HP Omen 15-ce500, HP Pavilion 15-cb050, HP Omen 15-dc0000 and HP Omen 17-cb1000. The listing also gives 917678-2B1, 917678-271, 917678-2B2 and HSTNN-IB7Z as alternative part numbers.