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P3 International P4460 Kill A Watt EZ Electricity Usage Monitor

by P3

1,166 customer reviews

| 80 answered questions

Price:

$27.38 & FREE Shipping on orders over $49. Details

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Calculates cost and forecasts by week, month, and year
Displays eight critical units of measure on the large LCD display
Built-in backup of accumulated information.
Accurate within 0.2%
Calculates cost and forecasts by week, month and year

› See more product details

182 new 3 used from $18.99

P3 International P4460 Kill A Watt EZ Electricity Usage Monitor

$27.38 & FREE Shipping on orders over $49. Details In Stock. Sold by Pro Ebiz and Fulfilled by Amazon. Gift-wrap available.

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Technical Details

Shows the operating costs of your household appliances
Accurate to within 0.2%; Large LCD Display
Calculates cost and forecasts by week, month and year
Built-in battery backup
Displays eight critical units of measure.

Product Information

Technical Details

Part Number	P4460
Item Weight	6.4 ounces
Product Dimensions	1.5 x 2.2 x 5 inches
Item model number	P4460
Size	One Size
Color	grey
Material	Other
Power Source	battery-powered
Voltage	125 volts
Amperage Capacity	15 A
Item Package Quantity	1
Number Of Pieces	1
Display Style	LCD
Special Features	Shows the operating costs of your household appliances, Accurate to within 0.2%; Large LCD Display, Calculates cost and forecasts by week, month and year, Built-in battery backup, Displays eight critical units of measure.
Usage	personal
Batteries Included?	No
Batteries Required?	No
Warranty Description	Six-month parts and labor

Additional Information

ASIN	B000RGF29Q
Customer Reviews	1,166 customer reviews 4.3 out of 5 stars
Best Sellers Rank	#1,558 in Home Improvements (See top 100) #4 in Home Improvement > Electrical > Testers > Voltage Testers #4,041 in Electronics > Accessories & Supplies
Shipping Weight	6.4 ounces (View shipping rates and policies)
Domestic Shipping	This item is also available for shipping to select countries outside the U.S.
International Shipping	This item can be shipped to select countries outside of the U.S. Learn More
Date First Available	October 26, 2006

Warranty & Support

Warranty, Parts:Six month manufacturer's warrantyWarranty, Labor:Six month manufacturer's warranty

Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

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Customer Reviews

4.3 out of 5 stars

5 star		61%
4 star		23%
3 star		8%
2 star		2%
1 star		6%

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See all 1,166 customer reviews

Top Customer Reviews

Works great; fast results.

ByT. Denyeron May 4, 2008

I was amazed at some of the things I found around the house that draw power just sitting there doing nothing. This thing is easy to figure out and program in your cost per Kwh.

A couple of things I found by using this device:
-- the entertainment center costs me $11 a year to have just sit there in standby mode. This is a 32" LCD TV, surroundsound system, DVD player, Wii, and subwoofer all plugged into a Monster HTS 1000 MKIII PowerCenter with Clean Power Stage 2 (8 AC outlet, 2 coax, phone & network). If I watch a DVD or play the Wii, it costs me 40 cents a day, or about 3.33 cents an hour.
-- My gaming computer (Dual Core, 500 watt power supply and 19" LCD) cost me $99 a year to run 24 hours a day, 6 days a week. That includes the occasional laser printing and occasional 2.1 speaker usage. So I turn it off more often.
-- Cell phone charger: .86 cents a year, but when charging it costs me $1.73 a year.
-- New coffee pot costs me between 5-7 cents to brew a pot of coffee and let it sit for a couple hours.
-- Toaster at 350-degrees costs me about 11 cents an hour.
-- Dell laptop charger costs me about $1.70 a year to keep it plugged in. It's about a penny and hour to charge the laptop's battery.
-- NOAA handheld weather radio costs 86 cents a year to run 24/7

In the end, it seems like it is only really worth the trouble to unplug the entertainment center when not in use and turn off the computer more often. Sure, everything draws power, but we factored in the hassle of it versus the cost.

We have been unplugging stuff around the house when we are not using it, and began to wonder how much we are saving. This thing has helped out in deciding what's worth going through the hassle of unplugging each time, and the results are almost instantaneous. I highly recommend using this device to settle the score in the fight against wasted energy usage or even in helping decide which devices/appliances around your house aren't worth owning due to ridiculous power draws.

I'm still testing more items around the house, so check back later for updates.

3131 comments 533 people found this helpful. Was this review helpful to you?YesNo

ByReinhard Kirchhofon January 3, 2015

The unit worked fine when performing testing the power consumption of a device for a limited amount of time. However, I ran into a problem when was using the Kill A Watt to test or monitor the power used on a device for an extended period of time. The unit is rated at 1875 watts ( Max Current 15 Amp and Max Voltage if 125 VAC )
In my particular case the receptacle on the Kill A Watt began to melt and turn brown when attached to a device that draws about 1,311 watts (117 Volts at 11.5 Amps ) which is below the maximum ratings of the Kill O Watt.

review image

review image

1111 comments 243 people found this helpful. Was this review helpful to you?YesNo

P4460 is great for electical circuits that loose power.

ByJohn Avensonon October 18, 2007

Verified Purchase

I currently own two Kill-a-Watt P4460 meters. This usage meter has a memory hold over, so I can use these at circuits that are switched on and off. When the incoming electricity is shut off, the previous hours of use are kept in memory. When the electricity is turned back on, the meter will continue from where it left off. The older P4400 model does not have this hold over circuit. The P4460 is a great addition to the P4400 for studying home electical usage.

66 comments 361 people found this helpful. Was this review helpful to you?YesNo

Nice but some flaws

ByLantana AlTOP 500 REVIEWERon February 19, 2008

Verified Purchase

I really like these power meters, but some of them are not very accurate. I have tried 3 P4460s and several of the cheaper models and found that one of the P4460s read 86 watts when it should have been 80. That's off by 7.5%* and is way out of spec according to the manual (which says it is suppose to have .5% to 2% accuracy). I am returning that unit (the replacement I bought reads 83 watts which is better). Some of the other units were off too, but not by as much. Otherwise this is a nice unit but could include an optional short power cable which makes it much easier to handle and use. I like the fact that this unit does not lose readings when power is lost.

* (86-80)/80=7.5%

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1414 comments 177 people found this helpful. Was this review helpful to you?YesNo

P3 International P4460 Electricity Usage Monitor

ByJ. Shandelmanon July 22, 2007

I give it **** because it could use a few improvements.
NOT because it didn't perform as expected.

Bottom line - great device. Works exactly as advertised.
I would recommend it to anyone interested in getting a
handle on actual electricity consumption and costs.

Best feature: The ability to enter your own actual cost per KwH
as taken from your utility bill.

Worst Feature: No battery backup for reading the collected data once
unplugged from the wall outlet. You have to plug the unit
back into the wall outlet to read the collected data.

Suggestions to the manufacturer:

1. Add a battery so the display can be read when not plugged in.
2. Include a short 12-14 inch extension cord so that you don"t have

crane your neck when reading the device while plugged into the wall

outlet. Some outlets are only 12-24 inches off the floor.
3. Make it 110/220 capable for 220V appliances.
4. Add a memory feature with a USB port to download and plot the data
over time in a spreadsheet.
5. Keep the price the same :-)

2222 comments 487 people found this helpful. Was this review helpful to you?YesNo

Customer Images

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Most Recent Customer Reviews

Couldn't find it to work with older air conditioner plug ...

Couldn't find it to work with older air conditioner plug which uses 240 volt. So this wouldn't fit on the wall plug which is a NEMA 6-15 type (for 240v AC) in MA, USA

Published 2 days ago by Shiv

Lets you see how much energy your items use!

Lets you know the amount of energy your items are using. I found out my portable air conditioner uses 1/10th the energy of my home AC and does a far better job of cooling off my...Read more

Published 5 days ago by JD

Inexpensive and does the job....

If you want an easy way to check individual power consumption, translated into direct cost, this is a less expensive unit that can't be beat.

Published 7 days ago by NickP

Needs a backlit led panel.

I love how it works. I really wish it had a backlit lcd panel. I usually need a flashlight to read it.Read more

Published 7 days ago by F. D. Thomas

Easy to use and works just as advertised

Easy to use and works just as advertised. I've had it a little over a week and already it has confirmed my suspicion, I need to replace an older refrigerator at work.Read more

Published 7 days ago by Tim A.

It works as advertised. Am using it to measure ...

It works as advertised. Am using it to measure how much it costs to charge our Nissan Leaf in a shared garage.

Published 10 days ago by Mary T

Works but is 110-120 VAC only

Works as described.
Step 1. Plug it in to the socket - plug the appliance into the device - press and hold "reset" until "rESt" shows on the screen and the...Read more

Published 12 days ago by Peter T. Burke

A+ would buy again.

Works great, not much to say other that it is great for helping me determine what has been running up my electric bill.Read more

Published 13 days ago by Froggy

Excellent and useful product.

A very useful device. Easy to use. Works well. Already has helped me see what appliances cost to use.

Published 13 days ago by Timothy S. Stanley

wish i had bought this a while back. awesome tool

Published 16 days ago by TONY R.

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