When I first bought my cell phone, the battery life was great. I could go for many days without charging. When my phone started acting up, I bought this new battery. Now I can only go one or two days without charging. I don't talk much, so most of the battery power is used for the phone to be on. I haven't figured out if the cell phone companies are making their phones so they only last about a year so you have to renew your contract to get a new phone, or if the new battery I got was junk. You make the call. I guess I bought the cheapest cell phone battery I could find, maybe you get what you pay for.Who knows! I am just trying to make it to the end of my cell phone contract to switch service providers without a fee. Maybe I will go back to my old battery.