Batteries & Chargers

At Yamaha, we like to take a good thing and figure out how to make it even better.
ust take the EF1000iS, the smallest member of our trusted line of inverter generators. As in, just take it anywhere you want: Weighing in at just 12.7 kg, it can be carried with one hand. Inverter technology means that this lightweight 4-stroke beauty combines quality power and clean exhaust that& acute;s in step with the world& acute;s strictest emissions standards.
Type Inverter
Maximum AC Output (watts) 1000
Rated AC Output (watts) 900
Total Ampere (rated / maximum) 7.5 / 8.3 @ 120V
AC Voltage (V) 120
Frequency (Hz) 60
Voltage Regulator Inverter (Pulse width modulation)
Neutral Floating
DC Output (volts / amp) 12V / 6.5A
Model MZ50
Type 4-stroke, OHV, forced air cooled, Single Cylinder
Displacement 50 cm3
Maximum Horsepower 2.2
Starting System Recoil (with auto decompressor)
Recommended Fuel Gasoline
L x W x H mm (in) 450 x 240 x 380 (17.7 x 9.4 x 14.9)
Dry Weight 12.7kg (28 lb)
Fuel Tank Capacity (L) 2.5
Operating Hours (@ 1 / 4 load) **12.0 hrs
Operating Hours (@ rated load) **4.3 hrs
Noise Level (@ 7 metres) **47-57 dBa
(NFB) None-Fuse Circuit Breaker System Standard
Pilot Lamps (AC output) Standard
Warning Lamps (overload / low oil) Standard
Smart Throttle Standard
Oil Watch Warning System Standard
Silent Type (enclosed design) Standard
Spark Arrestor (muffler) Standard
Economy Idle Control System Standard
Instantaneous Less than 20%
Setting Less than 3%
Setting Time Less than 2 sec.
Frequency Stability Within +/- 0.1 Hz
DC Charging Cable Standard
Private Use? 3-years limited
Commercial Use? 2-years limited