Product Overview

YAMAHA EF1000is | 1000W Portable Quiet Inverter/Pure Sine Wave Generator

Ultimate lightweight portable electricity.

Quiet, durable and convenient, the Yamaha EF1000iS is designed for anyone seeking an ultra-portable source of electricity. It combines compact proportions with an impressive maximum operating time of 12 hours*.
Ideal for camping trips and outdoor events, the EF1000iS can be used to power a range of appliances - from radios and TVs to coffee makers. It also has a 12V outlet for battery charging.
The inverter system with pulse width modulation produces higher-quality, cleaner electricity, and sound absorbing materials keep the volume down. Combined with the easy to use single-sided control panel, it makes for a quiet and convenient power source.
*at ¼ rated load Economy Control on.

• Lightest weight in its class
• Compact design
• High quality electricity
• Quiet operation
• Noise level (dBA)(7m) 48.5 (1/4 load) 60.5(rated load)
• 12hr operation (¼ rated load Economy Control on)
• 4-stroke, air-cooled 50cc engine
• 3 Year Warranty!
• Max Output: 1000W/1.2kVA