DF: battery that is: • Mounted in, or connected to, an instrument that can be powered by the mains power as well; and • Capable of completely powering the instrument for a reasonable period of time
DF: battery that is: • Mounted in, or connected to, an instrument that can be powered by the mains power as well; and • Capable of completely powering the instrument for a reasonable period of time
DF: battery that is: • Mounted in, or connected to, an instrument that can be powered by the mains power as well; and • Capable of completely powering the instrument for a reasonable period of time