Product Details
- Product Dimensions: 9.5 x 8.5 x 4 inches ; 1.9 pounds
- Shipping Weight: 2 pounds (View shipping rates and policies)
- Shipping: This item is also available for shipping to select countries outside the U.S.
- ASIN: B003R7GQT2
- Item model number: Pro-400W
By : Whistler Radar
List Price :
Price : $29.80
You Save : $50.15 (63%)
Product Description
Amazon.com Product Description
Use this chart to determine which inverter is right for you based on your power needs.
Provides 400-watts of continuous power. Plugs into the vehicle adapter. Direct wire cables with clamps. Cooling fan keeps inverter from over heating. 40-amp power requirement. Ground-fault sensing and electronic-circuit protection. 2 AC outlets and one USB port
Product Features
- 400 Watts Continuous power - 800 Watts Surge Capacity (Peak Power)
- Features 2 AC Outlets and 1 USB Port.
- Cooling Fan.
- High Surge / Ground Fault Sensing
- For safety, features five separate points of Electronic Circuit Protection.
Whistler Pro-400W 400 Watt Power Inverter
Customer Reviews
This device is exactly what I'd hoped it'd be. It allows me to have AC power for a multitude of devices including laptops, etc while on the go in the car. Be aware that when you first power it up, you'll get that electrical smell of burning transistors but it begins to fade with time. I'm well pleased with this devices output and performance. I would definitely recommend this to anyone looking to supply AC power in their vehicle. The USB is a slow trickle USB charge designed to not overcharge or burn out a device so it may not provide enough power for some items.
If you are using the alligator clips to connect directly to large 12 volt battery, the unit performs adequately. Understandably, most users draw input power from a cigarette lighter plug. Anytime you draw power from a cigarette lighter you must necessarily lower your expectations because of the cigarette lighter wiring, but reliable performance at lower power, such as 100 watts, should clearly be expected. I have owned previous 400 watt units which easily provided 100 watts with the car turned off. Higher loads depress the voltage at the lighter plug and the inverter will trip when the input voltage crosses below a voltage threshold (not necessarily because the amp limit is reached). The specified input voltage for the Whistler Pro-400W is very close to 12 volts. Whistler's own specifications for this model indicate a lower limit of 11 volts +/- .5 volt (as high as 11.5 volts). This is an extremely tight margin and lets you know you're likely to have trouble. I found this out in hindsight when my Whistler Pro-400W would trip off under extremely light loads when the car was off or idling. The unit was somewhat operable with light loads, but only when the car was at speed (with the alternator running fast).
In general, the unit is unusable. I have returned the unit for a refund.
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