SUA3800iED

A-iPower product table: 3,500 / 3,800 W on gasoline and 3,200 / 3,500 W on propane, 120 V, THD under 3%, Senci 223 cc, 2.6 gal, 121 lb, CO Alert, electric and recoil start. The owner's manual is linked from the product page.

Dual-fuel inverter from the Senci factory

Running: 3,500 W
Peak: 3,800 W
Noise: 63 dBA
Weight: 121 lb

Specifications

Fuel	Dual-fuel
Voltage	120V
Gasoline running / peak	3,500 W / 3,800 W
Propane running / peak	3,200 W / 3,500 W
Engine	Senci 223 cc OHV
Displacement	223 cc
Tank	2.6 gal
Runtime	12 hr
Runtime note	12 hr at 25% on gasoline. 8.5 hr at 50%. 5.5 hr at full load.
Noise note	63 dBA at half load, 21 ft, on the product spec table
Start	Electric, recoil
CO sensor	Yes
THD	<3%
Warranty	See the manual
Price	$750
Price note	$749.99 sale on A-iPower.com. Regular price shown as $1,199.99.
Source	A-iPower SUA3800iED product page and owner's manual

Manuals and parts

The spec table names the engine maker as Senci. No separate exploded-parts PDF was linked.