Product Code:

Genuine Hp ProBook 640 G4 charger, this ac adapter runs at 45w of power and outputs 19.5v 2.31a, some models though within this series can use a higher wattage and also some models have both the 4.5mm charging port that this page lists and also can be charged via a USB C connector port, alternative models can be found at the bottom.Genuine Hp ProBook 640 G4 laptop charger specificationAc adapter power: 45wPower output: 19.5v 2.31aPower input: 100-240vTip pin size: 4.5mm * 3.0mm (small blue barrel with pin in centre)Hp 45w ac adapter p/n: 741553-850, 696694-001, 719309-001, 721092-001, 740015-002, 74027-001, 741657-001, 741727-001, 742436-001, 744892-001, 74027-001, 749015-001, 845838-850, NSTNN-LA35, HSTNN-LA40, PA-1450-32HE, PA-1450-35HE and many moreWarranty: 12monthsContents: Genuine Hp 640 G4 charger & mains cable with plug

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