Go Power! ASW-1800-12-TS vs Renogy PUH 2000W with Transfer Switch

Last updated: October 24, 2026

The Renogy PUH 2000W with Transfer Switch is the better 12V inverter overall, rated 3.8 to 3.0. The Renogy PUH 2000W with Transfer Switch leads on value, features and idle draw. The Go Power! ASW-1800-12-TS wins on warranty. The Renogy PUH 2000W with Transfer Switch costs $256.28 less ($364.99 vs $621.27).

Go Power! ASW-1800-12-TS vs Renogy PUH 2000W with Transfer Switch

Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every 1,100 to 2,000 W 12V inverter; a clear win is highlighted. How we rank explains each one.

Factor weightRenogy PUH 2000W with Transfer SwitchGo Power! ASW-1800-12-TS
Overall rating3.8/53.0/5
Value 30%74 $0.18 per continuous watt29 $0.34 per continuous watt
Idle draw 15%33 1.5 A idle (about 18 W) with nothing plugged in0 2 A idle (about 24 W) with nothing plugged in
Safety listing 15%100 UL certified to UL 458 and CSA C22.2 No. 107.1-01100 Certified UL 458; cULus certified
Warranty 15%0 1-year warranty25 2-year warranty
Features 15%95 remote included, app, transfer switch, hardwire terminal52 optional remote, transfer switch, hardwire terminal; no app
Efficiency 10%78 92% peak efficiency (maker rating)67 91% peak efficiency (maker rating)

Specifications

Renogy PUH 2000W with Transfer SwitchGo Power! ASW-1800-12-TS
Output
TypePure sine wave inverterPure sine wave inverter
Continuous power2,000 W1,800 W
Surge power4,000 W for 2 s3,600 W for 3 s
DC input range11 to 15.5 V10 to 16.5 V
Idle draw1.5 A (18 W)2 A (24 W)
Power-saving draw-0.1 A
Peak efficiency92%91%
Connections
AC outlets20
GFCI outletsYesNo
Hardwire terminalYesYes
USB ports1None
Transfer switchYesYes
Parallel unitsNoNo
Control and build
RemoteIncludedOptional extra
AppBuilt inNo
Display-No
Safety listingUL certified to UL 458 and CSA C22.2 No. 107.1-01Certified UL 458; cULus certified
Coolingfan-
Dimensions18.3 x 9.9 x 3.8 in253 x 86 x 376 mm (9.96 x 3.39 x 14.80 in)
Weight12.8 lb9.7 lb
Warranty1 year2 years

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