HP L54807-001 Cooling Fan - 5 Volts DC - 2.25 WattsModel Number|L54807-001Product Name|HP L54807-001 (Sunon EG50040S1-CH70-S9A) Cooling FanProduct Type|Cooling FanColor|BlackVoltage|5 Volts DC Power| 2.25 WattsCompatibility| HP Chromebook 15-DE LaptopsAlso known as|Sunon EG50040S1-CH70-S9A