Compatible with the TASER® X26 and X26C, the TASER® Extended Digital Power Magazine (XDPM) extends on the functionality of the standard DPM by including a storage bay for a spare TASER cartridge and is ergonomically designed to improve grip for larger hands. Like the Digital Power Magazine (DPM), it has an internal memory chip that records vital operational status information including remaining power level, energy cell performance, and life expectancy for the energy cell pack under varying temperatures and loads. This is graphically displayed on the X26C CID giving you confidence that the device is powered and ready if critical situations arise. Battery pack allows for approximately 200 10-second firings.