Compatible with TASER® X26C and X26, the DIGITAL POWER MAGAZINE (DPM) is a lithium energy cell power supply system with an onboard memory chip that maintains a record of vital operational status information, such as 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 Central Information Display (CID) .The TASER® X26 series DPM (Digital Power Magazine) Battery Pack provides approximately 200 10-second firings.