Task: Sentiment Analysis
Input (English): I bought this battery because of the very competitive price and had two day shipping! The product that arrived was a generic brand, made by Sony which is just fine for normal use but not much good in an emergency. The unit will hold charge as long as my stock battery. But if your power goes out, don't count on coming home to see it fully charged. If you leave your camera running all day, I would think that this wouldn't be too big a deal.
Output (English): Bad review