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Emergency Use

Portable backup generators are the generators that are ideal for your home in times of power outages.  They are also designed to work well with transfer switches making it simple to connect to your home wiring systems. Here is comparison and analysis of the best and reliable portable backup generators. They offer convenient and reliable backup for your home. We have provided the best analysis for you to make best informed decision in purchasing these generators.

Below is a chart of comparison of the best sellers portable inverter generators.

 DuroStar DS4000SDuroStar DS4000SDuroMax XP4400EGenerac LP3250Generac LP3250 portable generatorGenerac GP7500EGenerac GP7500E Briggs & Stratton 30471Briggs & Stratton 30471 portable generator
Amazon Ratings4.4/54.0/54.0/53.7/54.1/5
Amazon BestSellerYesYesYesYesYes
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BrandDuroStarDuroMaxGeneracGeneracBriggs & Stratton
Typeair - cooled OHV 4-Cycleair - cooled OHV 4-CycleOHVOHVOHV
Starting System :Recoil Start12V Button Start w/ RecoilRecoil Start12V Button Start w/ Recoil12V Button Start w/ Recoil
HP/CC :7.0 hp7.0 hp212cc420cc420cc
RPM :3600 RPM3600 RPM3600 RPM3600 RPM3600RPM
Low Oil Alert/ShutdownYesYesYesYesYes
Idle ControlNoNoNoNoNo
Hour MeterNoNoNoYesYes
CARB CompliantNoNoNoNoNo
Cast Iron Sleeve/EnclosureOpen Steel FrameOpen Steel FrameUnknownYesYes
Rated / Maximum AC Output3300/4000 Watts3500/4400 Watts3250/3750 Watts7500/9375 Watts8000/10000 Watts
Rated / Maximum AC Current20/30 Amps @ 120 V Single Phase20/30 Amps @ 120/240 V Single Phase14 Amps@240 V Single Phase31 Amps @240 V Single Phase33 Amp@240 V Single Phase
Voltage120 Single-Phase120/240 Single-Phase120/240 Single-Phase120/240 Single-Phase120/240 Single-Phase
DC OutputNoYesUnknownUnknownUnknown
Auto Voltage Regulator (AVR)UnknownYesYesYesYes
Alternator :UnknownUnknownBrushBrushBrush
Voltage MeterYesYesNoNoNo
Neutral TypeUnknownUnknownUnknownBonded
Tank Size4 Gallons4 Gallons8 Gallons7 Gallons
Run Time (50% Load)8 hours8 hours7 Hours12 Hours9 Hours
Tank MaterialMetalMetalMetalMetalMetal
BatteryNot ApplicableIncludedNot ApplicableIncludedIncluded
Portability KitOptionalPneumatic Solid FilledNeverFlatNeverFlatNeverFlat
Noise Level69 dbA69 dbAUnknownUnknownUnknown
Lifting EyeNoNoNoNoNo
Weight93 lbs (42.18kg)116 lbs (52.62kg)137(w/o LP Tank lbs (62.14 kg)220 lbs (81.65 kg)251 lbs (113.85 kg)
Dimensions27" L x 20" W x 22" H (68.58 x 50.8 x 55.88)35.5" L x 26.3" W x 36.5" H (90.17 x 66.80 x 92.71 cm)27.25" L x 27" W x 25" H (69.22 x 68.58 x 63.50 cm)
34.8" L x 22.2" W x 25.9" H (88.39 x 56.39 x 65.79 cm)
Consumer1 Year1 Year2 Years2 Years3 Years
CommercialNot AvailableNot Available1 Year1 Year1 Year


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