Emergencies and accidents are bound to happen anytime, so do not get caught with a dead AT&T Quickfire and carry around an extra AT&T Quickfire cell phone battery! Just replace old dead batteries which don’t work as well with a AT&T Quickfire battery and it will turn right on. AT&T Quickfire cell phone batteries can be carried around as an extra or spare for emergencies, back-ups or even when you don’t have a charger and need more cell phone battery power. Select from extended to standard batteries for the AT&T Quickfire to get the right AT&T Quickfire cell phone battery you need.