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Rosewill RCI-400MS – 400-Watt DC to AC Power Inverter with Power Protection and Alarm
  • 400W Continuous Power / 800W peak
  • Under / Over Voltage & Overheat Protection
  • Two 110VAC 3-Prong Outlets
  • $54.99
  • $20.99
  • Save: $34.00 (62%)
  • Free Shipping (restrictions apply)


double tier circuit protection (fused 12V plug and fuse in unit for high current applications)
aluminum shell: rugged and allows for heat dissipation
alligator leads included
power switch on front
ring terminal input


12V plug is a little wimpy and obviously doesn't allow for full utilization of the unit

polarity/ over-voltage protection status is unknown, so ALWAYS check to make sure you have red to red and black to black on a 12V system only.

Other Thoughts:

Bought two of these to replace two damaged ones in family vehicles. seeing as one of the units these replaced got crushed by a power seat, the aluminum chassis was a bonus. I recommend using a connection more stable than the cigarette lighter

the alarm triggers at about 9V, so if your car battery is old, the alarm may just tell you that its too late and you need some jumper cables

please note that most power inverters advertise peak power rating, which is twice the continuous power rating. here, 400W means you get to use all 400W all the time.

the ring terminals on the back also allow for easy connection to any existing 12V power system

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  • Gary H.
  • Verified Owner
  • Owned For: more than 1 year

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