Check the listing for details. 33 Amp 12 Volt DC 13.8V Regulated Power Supply 30A Real MegaWatt®. Condition: New. Listed at 64.00 USD. Run two, three or more in parallel to multiply the amperage. 66 Amps, 99 Amps, 132 Amps and so on.Now all Power Supplies come with Double Ball Bearing 60,000 hour dust proof Cooling Fans This Power Supply Is brand NEW Adjustable Voltage 10 - 13.8 VDC Top Adjustment Over 15 Volts 12 volt DC 33 Amp Regulated Switching Power Supply MegaWatt S-350-12. This unit will cold start and hold up to a 33 amp load. This is a high quality commercial / industrial grade voltage regulated unit. This auction is for one brand NEW 12 volt DC, 33 Amp Peak, 30 Amp Continuous, Regulated Switching Power Supply. Awesome for powering your high-powered car stereo, CB or HAM radio equipment in the house or for any project needing 12 volts DC. This unit has a built in cooling fan on a thermostat to control fan speed at all temps. and over voltage/short circuit protection. It operates on 120 volts AC or 220 volts AC, 47Hz to 63Hz. It's fully shielded for use in a computer or radio environment. It's brand NEW, never used, not refurbished, not returned. The size of the unit is 9 X 4 5/8 X 2 inches. This is a "switching" power supply, which uses solid state electronics to produce the output voltage. This makes this unit much lighter, smaller and less likely to over heat and malfunction. This item is guaranteed to be brand NEW and arrive as described in this auction. A 110 volt power cord is included with each unit. Due to customs regulations we can not ship to APOs, sorry. Thanks for looking. Payment must be received within 3 days after the auction closes. Items not paid for will be re-listed. Shipping is done by US Mail. We have been selling high quality power supplies to the home and commercial market for the past 10 years. All power cords come with a USA 120 volt plug and no 220 volt adapters. The 120 volt cord will work fine with a 220 volt plug adapter.