Compatible Models: 

Lenovo ThinkPad P51 (20HH 20MM)

Technical Specification:

Type: AC power adapter/battery charger

AC Input Voltage: 100~240V /50-60 HZ

Output Voltage:  20V 8.5A 

Max. Output Power:   170 Watt

Pin Size:  Slim Tip

Warranty: 1 Year

Condition: 100% compatibility with the original adapter and brand new

Package Included:  

AC power adapter with the adapter and power cord.

Please Note: 

Please make sure you are ordering correct Adapter Charger. Compare the DC Pin of your adapter with the pins available with our adapter.At home, in the office or on the road, this AC/DC Adapter will keep your notebook ready to go!