Back up BlackBerry Curve 8350i battery is a much needed necessity and you do not want to be without power for your BlackBerry Curve 8350i. A spare BlackBerry Curve 8350i battery will ensure that you are always prepared. It can extend your talk time and reduce worry about dying BlackBerry Curve 8350i battery life if you are on a long call or listening to music. It's also great for safety on long trips especially when your BlackBerry Curve 8350i battery is dying and there is no charger around. A spare BlackBerry Curve 8350i battery that is charged and ready to go will do the trick.