Definition: In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.
Input: This battery is not worth it. Bought it July last year. It stopped working recently. I expected it to last for more than a year. Maybe even 2. It is heavy, recharging it takes almost a day. There are better power banks out there.

Heavy and takes too long to charge. Didn't last long.