Video of BATTERY PAR 50: How To Set Up Your BATTERY PAR 50: How To Set Up Your BATTERY PAR 50 For Truss Totems and Floor Operation: How To Use the Wireless Remote For Your Battery Par 50: How To Set Up Master Slave Mode with Your Battery Par 50: How To Set Up a DMX Controller with Your Battery Par 50: Description: Rockville is proud to introduce the first member of our Battery Par series of lights! The Battery Par 50 is a Par can Wash light that features a built-in rechargeable battery DMX control dimmer strobe and color mixing. Each time you charge the light it will give you 10-15 hours of use before needing a Recharge. This is enough time for the light to last the duration of almost any event.