Instruct: Classify Amazon reviews into positive or negative sentiment
Query: As Much Battery As You're Gonna Need

These Powerex batteries have changed my mind about rechargeables. They really pack the juice in there - not one of my appliances can tell it's not an Alkaline! The charge lasts a long time. And when paired with a good Powerex charger, they are ready to go in an hour. What's not to like?I swear - I'm never EVER buying an Alkaline battery again. It's kinda like when I went through the house, replacing all the incandescents with fluorescent bulbs. I just went through all my stuff replacing AA's with these, and I'm not looking back. Fantastic!