EF1000IS - Product Description

The Yamaha EF1000iS Inverter Generator Is The Ultimate In Lightweight Portable Electricity That Is Quiet, Durable And Convenient.
The Yamaha EF1000iS meets the strong demand from the market for a light, portable generator, which offers long continuous running capability and supplies high quality energy required nowadays to power electronic products with built-in micro-computers, such as laptops.
The EF1000iS weighs only 12.7kg and is equipped with a new 4-stroke OHV 50cc engine. The Yamaha exclusive double coil system gives better fuel economy, a continuous running time of 12 hours and less noise. Designed to supply commercial-equivalent power, the EF1000iS is compact and combines a convenient carry handle making it extremely portable. Noise Block, acoustically designed sound reduction system helps to make the EF1000iS the quietest portable generator in its class.
The EF1000iS… lightweight, powerful, clean and quiet. A powerhouse performer at your fingertips. Clean Output The EF1000iS - with its inverter system - features Pulse Width Modulation (PWM) so Voltage stability is within ± 1%, and Frequency stability is ± 0.1 HZ. Its pure sine wave is as clean or cleaner than commercial power, improving the efficiency and versatility of your electronic equipment and accessories compared to other portable power.

TypeInverter type
Rated Voltage(V)220
Rated output(kVA)0.9
Max. output(kVA)1.0
Rated output(kVA) in Parallel use−−
DC output12V/8A
TypeMZ50:4ST OHV forced air-cooled
Starting systemRecoil
L x W x H(mm)450 x 240 x 380
Dry weight(kg)12.7
Fuel tank capacity(full)(l)2.5
Operating hours(Hr/ 1/4 load)*112.0
Operating hours(Hr/ rated load)*14.3
Noise level(dBA)(7m)*148.5(1/4 load) ~ 60.5(rated load)
Voltage regulatorInverter
Circuit breaker systemElectronic
Fuel level gauge−−
Oil level warning systemAvailable
Pilot lampAvailable
Economy control systemAvailable
Hour meter 
InstantaneousLess than 35%
SettingLess than 1%
Setting timeLess than 3sec.
Frequency stabilityLess than ±0.1Hz
Transportation kit−−
DC charging cordAvailable
Wireless remote control kit