{"product_id":"hp-ppp016l-e-pa-1121-42hs-579799-001-120w-ac-adapter-18-5v-6-5a-smart-pin-charger-7-4mm-x-5-0mm-power-supply-for-hp-business-systems","title":"HP PPP016L-E PA-1121-42HS 579799-001 120W AC Adapter 18.5V 6.5A Smart Pin Charger 7.4mm x 5.0mm Power Supply for HP Business Systems","description":"\u003ch6\u003eReliable Power Replacement for HP Professional Computing Systems\u003c\/h6\u003e\n\u003cp\u003eWhen a professional HP system experiences unexpected power interruptions, using a correctly matched AC adapter is essential for maintaining stable operation. The HP PPP016L-E PA-1121-42HS 579799-001 power adapter is a 120W AC power supply designed for selected HP systems that require an 18.5V Smart Pin charging solution.\u003c\/p\u003e\n\u003cp\u003eThis adapter uses HP’s large barrel connector design with a center pin, allowing compatible devices to identify power requirements and maintain proper charging and power delivery. It is commonly used as a replacement option for users who need to replace a damaged, lost, or aging HP power adapter with matching electrical specifications.\u003c\/p\u003e\n\u003cp\u003eBefore selecting a replacement adapter, always verify the original adapter model number, output voltage, wattage requirement, and connector type to ensure proper compatibility.\u003c\/p\u003e\n\u003ch6\u003eTechnical Specifications\u003c\/h6\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 15px;\"\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15px;\"\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003ePPP016L-E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15px;\"\u003e\n\u003ctd\u003eFactory Model\u003c\/td\u003e\n\u003ctd\u003ePA-1121-42HS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15px;\"\u003e\n\u003ctd\u003eHP Part Number\u003c\/td\u003e\n\u003ctd\u003e579799-001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15px;\"\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAC Power Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15px;\"\u003e\n\u003ctd\u003eMaximum Output Power\u003c\/td\u003e\n\u003ctd\u003e120W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15px;\"\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e18.5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15px;\"\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e6.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15px;\"\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003e7.4mm x 5.0mm Barrel Connector with Center Pin (HP Smart Pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15px;\"\u003e\n\u003ctd\u003ePolarity\u003c\/td\u003e\n\u003ctd\u003eCenter Positive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15px;\"\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e100-240V AC, 50\/60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15px;\"\u003e\n\u003ctd\u003ePower Source\u003c\/td\u003e\n\u003ctd\u003eAC-Powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch6\u003e \u003c\/h6\u003e\n\u003ch6\u003eCompatible Devices\u003c\/h6\u003e\n\u003cp\u003eThe HP PPP016L-E PA-1121-42HS power adapter is designed for selected HP professional computing systems requiring an 18.5V 120W Smart Pin power supply.\u003c\/p\u003e\n\u003cp\u003eCompatible device categories may include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHP Business Desktop Systems\u003c\/li\u003e\n\u003cli\u003eHP Desktop Mini Computers\u003c\/li\u003e\n\u003cli\u003eHP Professional Computing Devices\u003c\/li\u003e\n\u003cli\u003eSelect HP Notebook Computers requiring 18.5V Smart Pin power input\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBecause HP uses different adapter specifications across product generations, confirm your device model and original adapter information before replacement.\u003c\/p\u003e\n\u003ch6\u003eOEM Replacement Compatibility\u003c\/h6\u003e\n\u003cp\u003eThis adapter can replace the following HP power adapter models when the electrical specifications and connector requirements match:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHP PPP016L-E\u003c\/li\u003e\n\u003cli\u003eHP PA-1121-42HS\u003c\/li\u003e\n\u003cli\u003eHP 579799-001\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eUnderstanding HP Smart Pin Power Adapters\u003c\/h6\u003e\n\u003cp\u003eHP Smart Pin adapters use a center identification pin inside the barrel connector to communicate adapter information with compatible HP devices. This technology helps the system recognize the connected power source and manage charging and power delivery.\u003c\/p\u003e\n\u003cp\u003eUnlike standard barrel connectors without identification features, HP Smart Pin adapters require the correct connector design and electrical specifications. Using an adapter with the wrong voltage, insufficient wattage, or incompatible connector may result in charging issues or reduced system performance.\u003c\/p\u003e\n\u003ch6\u003eCommon Replacement Situations\u003c\/h6\u003e\n\u003cp\u003eUsers typically replace an HP PPP016L-E adapter due to situations such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe original power adapter is damaged or no longer provides stable power.\u003c\/li\u003e\n\u003cli\u003eThe cable or connector has become worn after long-term use.\u003c\/li\u003e\n\u003cli\u003eThe system displays charging or power recognition problems.\u003c\/li\u003e\n\u003cli\u003eA replacement adapter is needed for office, backup, or secondary workspace use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eHow to Verify Compatibility Before Replacement\u003c\/h6\u003e\n\u003cp\u003eTo avoid choosing the wrong HP adapter, check the following information:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the required output voltage is 18.5V.\u003c\/li\u003e\n\u003cli\u003eVerify the device requires a 120W power supply.\u003c\/li\u003e\n\u003cli\u003eMatch the connector size: 7.4mm x 5.0mm with center pin.\u003c\/li\u003e\n\u003cli\u003eCheck the original HP part number or adapter model.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA physically similar connector does not always guarantee compatibility. HP adapters may look similar while having different electrical specifications.\u003c\/p\u003e\n\u003ch6\u003eFrequently Asked Questions\u003c\/h6\u003e\n\u003ch6\u003eWhat is the output specification of HP PPP016L-E?\u003c\/h6\u003e\n\u003cp\u003eThe HP PPP016L-E PA-1121-42HS adapter provides 18.5V DC output at 6.5A, delivering up to 120W of power for compatible HP systems.\u003c\/p\u003e\n\u003ch6\u003eIs HP PPP016L-E compatible with all HP laptops?\u003c\/h6\u003e\n\u003cp\u003eNo. This adapter is designed only for selected HP devices that require an 18.5V 120W Smart Pin adapter. Always confirm your original adapter specifications before replacement.\u003c\/p\u003e\n\u003ch6\u003eWhat connector does the HP 579799-001 adapter use?\u003c\/h6\u003e\n\u003cp\u003eThe HP 579799-001 uses a 7.4mm x 5.0mm barrel connector with a center identification pin, commonly known as an HP Smart Pin connector.\u003c\/p\u003e\n\u003ch6\u003eCan PA-1121-42HS replace PPP016L-E?\u003c\/h6\u003e\n\u003cp\u003eYes. PPP016L-E and PA-1121-42HS refer to related adapter models with matching specifications. Compatibility should still be confirmed with the connected device.\u003c\/p\u003e\n\u003ch6\u003eWhy does my HP device not recognize the replacement charger?\u003c\/h6\u003e\n\u003cp\u003eCommon causes include an incorrect connector type, incompatible power rating, damaged cable, or a device requirement that does not match the adapter specifications.\u003c\/p\u003e\n\u003ch6\u003e \u003c\/h6\u003e\n\u003ch6\u003eThe HP PPP016L-E PA-1121-42HS 579799-001 is a 120W AC power adapter providing 18.5V 6.5A output with a 7.4mm x 5.0mm HP Smart Pin connector. It is designed as a compatible replacement power supply for selected HP professional computing systems that require this specific voltage, wattage, and connector configuration.\u003c\/h6\u003e","brand":"HP","offers":[{"title":"Default Title","offer_id":50972040986871,"sku":"LM-N1YIUYU1FE1ZI8DY","price":39.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6512\/3831\/files\/hp-120w-18.5v-smart-pin-adapter.jpg?v=1785392861","url":"https:\/\/oempowerus.com\/products\/hp-ppp016l-e-pa-1121-42hs-579799-001-120w-ac-adapter-18-5v-6-5a-smart-pin-charger-7-4mm-x-5-0mm-power-supply-for-hp-business-systems","provider":"OEM Power US","version":"1.0","type":"link"}