Instruct: Classify a given Amazon review into positive or negative sentiment.
Query: Kindle 1 battery

I went on Amazon today to purchase a battery for my Kindle 1. Boy, do I wish that I researched this further before buying my kindle only 4 months ago. My battery is now on backorder as is all the others. I have been singing the praises of my Kindle since I received it. I use it every day. Well, Amazon, I will no longer have good things to say about my kindle if you don't do something for your Kindle 1 customers. I have never had a battery on an electronic item die so quickly. You would think that Amazon could come up with another longer lasting battery. At least kieep the darn batteries in stock. Kindle 2 will not be on my shopping list. I hold grudges and have a long memory.