Stand Alone Battery Operated Bottle Heater for 10-15Lb Bottles (4AN) Dewalt Style Battery Nitrous Express NX 15940-DW - USA-NX-15940-DW - Stand Alone Battery Operated Bottle Heater for 10-15Lb Bottles (4AN) Dewalt Style Battery This Standalone Battery Mount allows you to power almost any 12v accessories for your race vehicle without the need to wire it into your vehicles power supply. You no longer have to worry about your nitrous bottle heater running down your primary battery in the staging lanes.  NX fully automatic bottle heaters are pressure controlled so you are always at the proper nitrous pressure. Heater element has surface temperatures above 300 degrees. This element can take a bottle from ice cold to operating pressure in minutes. Includes heater element, automatic pressure switch, HD 40 amp relay and harness and a 4AN manifold. Due to the adjustability of the pressure switch contained in this kit, it is compatible with all nitrous kits on the market. Easy to use set-screw for making pressure adjustments. Can be adjusted from 900 P. S. I. to 1200 P. S. I. Switch has a 50 P. S. I. working window for consistent bottle pressure. Bottle Heating Element Specs: 240 Watts @ 12V, 312 Watts @ 13.8V, 425 Watts @ 16V Pressure Switch Specs: 1/8 NPT, Pre-Set at 1050 P. S. I.