Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: iRobot Authentic Parts - XLife Extended Life Battery - Compatible with Roomba 400/600/700/800 Series Robots
Product description: The iRobot XLife Extended Life Battery delivers up to 2x the battery cycle lifetime, as compared to the iRobot Advanced Power System battery. Compatible with Roomba 500, 600, 700, and 800 Series and Scooba 450 robots. iRobot can only guarantee the quality and performance of authentic parts. Accessories and replacement parts manufactured by 3rd parties may have a negative impact on product performance or cause damage to your robot. Use of 3rd party replacement parts could void your robot's warranty.
Product feature: 1 iRobot XLife Extended Life Battery. Robot run times remain the same between recharges, Delivers up to 2x the battery cycle lifetime. Use Roomba as directed for longest battery life, Compatible with Roomba 500/600/700/800 Series Robots, Authentic part manufactured by iRobot, Note: Please refer to the User manual (Page 2 and 6 ) for optimum battery performance. Battery lifetime varies with home environment and usage
Product price: $12.99
Product brand: iRobot
Target attributes: Accessory Type
Answer: attribute: accessory type
value: battery
source: product feature
attribute: accessory type
value: battery
source: product title
attribute: accessory type
value: battery
source: product description