The Yamaha EF1000iS inverter generator is the ultimate in lightweight portable electricity. The EF1000iS - with its inverter system - features Pulse Width Modulation (PWM). That means these generators deliver clean power so you can use them confidently for powering computers, solid-state appliances with built-in computer functions or microcomputer-controlled power tools.
 

• Lightweight Design / Easy to Carry - Newly designed exterior and compact lightweight inverter unit reduces weight to 27.9 lbs. Lightest weight generator in its class.

• Noise Block Acoustically designed sound reduction system - Molded casing, noise-absorbing glass wool construction and a newly designed muffler produce unbeatable noise reduction.

• Long Run Time - Runs continuously for up to 12 hours without refueling (at 1/4 load with "Economy Control" function on).

• Smart Throttle Load sensing throttle control - Automatically adjusts engine speed to precisely match load, resulting in greater fuel efficiency and noise reduction.

• 12 Volt DC Output (Battery Charging Cables Included) - Recharge 12 volt batteries for RV, auto, marine, aircraft, etc.

• Inverter System with Pulse Width Modulation - Industry-leading system produces higher-quality and cleaner electricity. Results in pure sine wave as clean or cleaner than commercial power and can operate products with built in microcomputers.

• Exclusive Dual Coil Alternator Stator - Lower engine speed. Reduced noise, fuel consumption and engine wear.

• Centralized Control Panel - Control panel enables easy access to controls.

• Fuel Petcock - Reduces carburetor contamination by turning off gasoline flow and allowing the carburetor to run dry.

• OHV 50cc Engine (overhead valve) - Provides improved efficiency, increased reliability, low oil consumption and noise-reducing operation.

• Large Fuel Fill Access - Wide mouth fuel fill reduces spilling and overflow during refueling.

                                           $799
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                                                  Specifications    

Type	Inverter
Maximum AC Output	1000 watts
Rated AC Output	900 watts
Rated / Maximum AC Current	7.5 / 8.3
Voltage Stability	± 1%
Frequency Stability	± 0.1 HZ
Engine	OHV MZ50, Air-Cooled, Four-Stroke, Single Cylinder
Displacement / HP	50cc / 2.2 hp
DC Output	12 volt 8 amps
Overall Length	17.7"
Overall Width	9.4"
Overall Height	14.9"
Dry Weight	27.9 lbs.
Fuel Tank Capacity	.66 gallons
Continuous Operation at 1/2 Rated Load	12.0 hrs.
Noise Level	47dBA - 57 dBA
Warranty	2 Years Limited Warranty