Juice Box. Subaru claims its Inverter generators are lighter and quieter than alternator-based models. Sizes range from 1,650 to 4,300 watts. Since voltage and frequency are controlled electronically, the power is "cleaner" and better suited for electronic equipment, the company says. Model RG4300iS — purportedly the only 4,300-watt inverter generator available — sells for about $2,600. Subaru, 800/277-6246. www.subarupower.com

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