Name: Samlex NTX-1500-12
Brand: Samlex America
Price: 422.50 USD

For RVs and vans that want a listed inverter for a microwave or coffee maker at a fair price.

Price checked October 24, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros

Cons

The Samlex NTX family

Every Samlex NTX model we rank, smallest first. Ratings compare each against its own size.

Model	Continuous	Rating	Price
Samlex NTX-400-12	400 W	3.1/5	-
Samlex NTX-600-12	600 W	3.0/5	-
Samlex NTX-1000-12	1,000 W	3.1/5	$373.32
Samlex NTX-1500-12 (this one)	1,500 W	3.4/5	$422.50
Samlex NTX-2000-12	2,000 W	3.4/5	$511.88
Samlex NTX-3000-12	3,000 W	3.4/5	$741.97
Samlex NTX-3000S-12	3,000 W	3.5/5	$732.40

How it scores

The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.

Value $0.28 per continuous watt47
Idle draw 0.8 A idle (about 9.6 W) with nothing plugged in80
Safety listing Intertek ETL listed; conforms to UL 458 and certified to CSA C22.2 No. 107.1100
Warranty 2-year warranty25
Features remote included; no app25
Efficiency 90.5% peak efficiency (maker rating)61

Output
Model number	NTX-1500-12
Type	Pure sine wave inverter
Continuous power	1,500 W
Surge power	3,000 W for 1 s
DC input range	10.5 to 16.3 V
Idle draw	0.8 A (9.6 W)
Peak efficiency	90.5%
Connections
AC outlets	2
GFCI outlets	Yes
Hardwire terminal	No
USB ports	None
Transfer switch	No
Parallel units	No
Control and build
Remote	Included
App	No
Display	No
Safety listing	Intertek ETL listed; conforms to UL 458 and certified to CSA C22.2 No. 107.1
Cooling	load-controlled fan
Dimensions	216 x 333 x 92 mm
Weight	7.8 lb
Warranty	2 years