In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.

[Q]: I purchased these as a gift and upset that two of the lights are not working. I know they were inexpensive but I still expect them to arrive functioning. The other two that work are very bright and fit perfectly on my bike.
[A]: I purchased these as a gift and upset that two ...

[Q]: The bag came ripped up, tattered and the hat was creased. Hanging threads, it was a mess. I sent this item back with their tracking number almost a month ago and have NOT received a refund. Truly disappointing.
[A]: Sent a used, tattered pos and I still can't get my money back.

[Q]: Battery faulty when received. Battery would not accept charge after multiple attempts. Had to return to Amazon.
[A]:
Faulty battery made in China would not accept or hold charge!!!