Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Star Power 170W AC Power Adapter Charger for Lenovo ThinkPad W520,W530 Series Laptop Computer, 100% Compatible with P/N:0A36227,45N0114,45N0118,45N0113,45N0117,42T5288.
Product description: Star Power 170W AC Adapter for Lenovo ThinkPad W520,W530 Series Laptop Computer, 100% Compatible with P/N:0A36227,45N0114,45N0118,45N0113,45N0117,42T5288.
Product feature: outPut:Max 170W, Input:110V-240V, Generic replacement Parts,100% Compatible with original P/N:0A36227, 1 Year Warranty, Power Cord Included.
Product price: $61.21
Product brand: Star Power
Target attributes: Maximum Output
Answer: attribute: maximum output
value: None
source: None