Sony introduces its new line of STAMINA lithium photo batteries. A high-performance, highly dependable line of batteries specifically designed for photographic cameras. Today's zoom lenses, electronic features and high-speed flashes need more battery power than ever. Producing the most output for their size. Sony lithium photo batteries are the best energy source for cameras offering faster operation of flash and shorter cycle times between flashes. In addition, Sony STAMINA lithium photo batteries provide ten years of shelf life.