Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Lucky Store PA3035U-1ACA Adapter 15V 3A For Toshiba Portege 3440CT 3480CT 3490 3490CT 3025CT 3110CT 3010CT 3015C 3020CT Libretto 100CT 110CT Series Laptop
Product description: New PA3035U-1ACA Ac Adapter 15V 3A 45W For Toshiba Portege 3440CT Portege 3480CT Portege 3490 Portege 3490CT Portege 3025CT Portege 3110CT Portege 3010CT Portege 3015C Portege 3020CT Libretto 100CT Libretto 110CT Series Laptop
Product feature: Input: 100-240 V~0.95A-0.55A 50-60Hz, Output: 15V 3A(Power Cord included), Power: 45W, For Toshiba Libretto 100CT Libretto 110CT Series Laptop, Toshiba Portege 3440CT Portege 3480CT Portege 3490 Portege 3490CT Portege 3025CT Portege 3110CT Portege 3010CT Portege 3015C Portege 3020CT Series Laptop
Product brand: Lucky Store
Target attributes: Maximum Output
Answer: attribute: maximum output
value: 15v
source: product feature
attribute: maximum output
value: 15v
source: product title
attribute: maximum output
value: 15v
source: product description