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

Input:
Product title: Hot Racing YEX16U01 Aluminum Upper 4-Link Mounts Axial Yeti XL
Product description: Whether in the air or on the ground, Hot Racing RC products has the performance replacement parts you need. With years of experience crafting precision RC upgrades and accessories every item reflects the craftsmanship and quality Hot Racing is known for. Don't settle, get the best, Hot Racing RC products.
Product brand: Hot Racing
Target attributes: Battery Type
Answer: attribute: battery type
value: None
source: None