Editorial Review:Amazon.com Product Description:The Black & Decker PS400JRB 400-watt electromate with radio offers up to 450 instant amps for jump starting power and will not only supply portable AC power for ordinary household appliances, but will also recharge USB device, and receive AM/FM/NOAA weather alerts. The electromate features dual 12-volt DC power outlets and dual 120-volt AC power outlets, with a 12-volt charger. With its 450 Amps, it instantly jump-starts cars without using another vehicle, and the AM/FM/NOAA weather alert radio provides music, news, and weather updates any time you need them. An ultra-bright LED work light helps you with emergency roadside assistance. Power or recharge your USB electronic devices by using the electromate's USB port. Heavy-duty cables and clamps are included, and Black & Decker backs its electromate with a 2-year warranty.
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Customer Reviews
Average Rating:

Rating: 
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great for camping
We took it camping, my partner has to use a sleep machine and it was perfect for the tent.
Rating: 
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Who could want for anything more!
This is the ultimate aid to being mobile with power tools--portable electric is a great thing! I no longer have the hassle of breaking out the 50-75 ft electrical cord to do yard work. Love the fact that I can take my Keuring single cup coffee brewer to the woods, a tailgate, or virtually anywhere with the absence of power and enjoy my endless cup of Green Mountain Coffee!
Rating: 
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Great value for the price
The battery holds a full charge many for weeks and the AC and car charger ports allow many devices to be used in an emergency. The weather radio with alert is the reason I purchased this unit. During an emergency, having a source of power, light and information is invaluable!
Rating: 
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Complete Auto Accessory!Jumper Plus Test Battery and Alternator too.
This Auto Jumper cost $100 plus tax at Wal Mart. I can't believe I can get the free shipping and only $80 at Amazon and this baby is about 25 lbs.
Only false is it doesn't come with Extented cord for charging the Auto Jumper. I think Black & Decker is avoiding being sue or somewhat.
However, this Jumper works (Please read the instruction before you jump start a Dead battery car. Otherwise you screw car's electronic system.)
The best thing is this Jumper Not only Jump start your car instantly. It also able to Test your Alternator and Battery. So you will not be cheated by those lying dishonest auto repair guy.
If tested alternator gone bad. You know you have to go to repair shop right away becauce even you are able to jump start the car it could gone dead any time.
If battery gone dead. 1st thing you do is to check if the battery need to be fill up with "Distill Water"(regular water will damage the battery later). Don't over fill with Distill Water. Read instruction or call repair guy how much distill water should you pour in. If you over fill it with distill water. Acid will spill out from the battery. This strong Acid will start melting your car's metal body.
If the Battery Manufactural indicate this battery can last for four years. It is usually truth. You job is checking if the battery have enough Distill Water inside the battery.
You don't have to worry about POSITIVE or NEGATIVE connector. This Auto Jumper will let you know if you screw up POSITIVE connect to Negative.
Rating: 
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Not the Greatest
The inverter worked once, then failed altogether. Radio is cheesy. Jump start power works but is relatively weak. Charge indicator lights are funky and innacurate. The price is cheap for a reason.