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The Wagan 400-Watt Power Dome EX is a powerful portable power source designed to provide AC and DC power and functionality wherever you need it. Built around a rechargeable 18 amp-hour sealed lead-acid battery, the Power Dome EX provides enough jumpstarting power to revive all but the largest of car batteries, while its built-in 260 PSI air compressor can be used to quickly inflate car tires and sports equipment. It contains one DC outlet and two grounded AC outlets which utilize the built-in 400 watt inverter. Additional features include: heavy-duty 6 gauge / 24 inch battery clamps, a 5-LED work light, a USB power port, a built-in AM/FM radio, an audio output jack and more.
One weak link
This review is from: Wagan Corp Power Dome EX (400W)
Pros: A mostly impressive unit with high-grade battery, great air compressor and hoses. AC out is a great feature and an air pressure gage is a great addition. It's an awesome thing to have for minor problems as well as more serious strandings or power failures.
Cons: Wall mounted power supply destroyed its self after a few months. Now what am I supposed to do with a battery that can't be charged? The high-grade battery is an AGM type so you can't safely charge it with a solar panel that has a car adapter on it. I wanted that capability so I'm disappointed with that. The internal charge controller is not good enough for that type of battery so the instructions tell you to charge it all the way but not leave it plugged in too long. Had I known this I would have skipped this product immediately as I want something that can keep plugged in without destroying its battery. That was a serious cheap-out on the designers part.
Other Thoughts: With the power supply that failed, the lack of a proper internal charge controller, and the limitations on charging solutions this is a problem solving device that is rendered useless by one simple weak link.
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