20V 11.5A 230W laptop ac power adapter charger for Lenovo ThinkPad P70 P50 P71 P51 5A10H28356 ADL230NDC3A PA-1231-12LA If you are not sure whether this adapter works for your laptop pc, please leave order message of your laptop model or ask us before order, thanks ! Specification: Color: Black Compatible Brand: for Lenovo Input Voltage: AC 100~240V Input Frequency: 50~60Hz Power: 230W Output Voltage: 20V Output Current:11.5A Features: High quality with 100% brand new over charge, over current, over voltage, short-circuit and over heat protection High precise output voltage, small wave and low interference Made of quality components and circuit board Safe and durable We only sell high quality products with durable usage life Package: Included: 1 x laptop adapter (without power cord)