Galanz 1.3 Cu. Ft. ExpressWave Sensor and Inverter Microwave, Stainless Steel review: pros, cons & who it suits

THE SHORT ANSWER

Our take

Galanz GEWWD13S1SV11 is a 1.3-cu.-ft. sensor/inverter microwave with an unusually clear output/input split in its model-specific manual: 1,100 W rated microwave output and 1,350 W microwave input. Galanz documents six sensor-cook programs, seven sensor-reheat programs and ten power levels. The current Amazon page confirms that B08P5M8MSR is the exact S1 model and gives UPC 190873005728. Installation copy is inconsistent: Amazon calls it countertop or built-in, but the model manual says it shall only be used on a countertop, and Lowe's lists no compatible trim kit. Plan for countertop use and follow Galanz's clearances.

Consider it for

Consider GEWWD13S1SV11 when sensor cooking, inverter operation, 1.3 cu. ft. and a 12.8-in. tray fit the need. Use it as a countertop appliance according to Galanz's manual, which calls for 8 in. above and 2 in. at the sides; do not plan a built-in installation from marketplace wording alone..

Look elsewhere if

Do not choose it for built-in installation or commercial use: the manual limits it to a countertop and excludes commercial-use damage from warranty coverage.

Pros & cons

What could work for you, and what to consider before buying.

What works in its favor

Galanz documents 1,100 W rated microwave output separately from 1,350 W input.
The official feature set includes inverter heating, six sensor-cook programs, seven sensor-reheat programs and ten levels.
The exact Amazon ASIN is identified as model GEWWD13S1SV11 with matching UPC 190873005728; item details list a 12.8-in. turntable.

What to weigh up

The exact manual says countertop-only use, despite Amazon's built-in listing text; the manual calls for 8 in. overhead and 2 in. on both sides.
Lowe's states that a compatible trim kit is not available, so no documented cabinet route is supported.
The Galanz manual excludes commercial-use damage from warranty coverage; it does not describe a commercial-duty certification.

The key details

Published product specifications
Model covered	GEWWD13S1SV11
Capacity	Galanz page heading identifies exact model GEWWD13S1SV11 at 1.3 cu. ft., though the URL ends in S2SV11.
Microwave output	The exact-model manual rates microwave output at 1,100 W and separately lists 1,350 W input.
Cooking approach	Inverter operation, six sensor-cook programs, seven sensor-reheat programs and ten levels are documented.
Installation options	The exact manual gives 120 V/60 Hz and countertop-only use; marketplace built-in copy conflicts and Lowe's lists no compatible trim kit.
Finish and turntable	Stainless finish and 12.8-in. glass turntable are documented by exact-model sources.

Performance figures are manufacturer claims. Source checked October 4, 2026. Regional models and included accessories can differ.

What the features mean for you

The printed model code resolves the page-slug mismatch

Galanz's product page URL ends with GEWWD13S2SV11, but the heading and product details repeatedly print GEWWD13S1SV11. The current Amazon detail page for B08P5M8MSR independently lists S1SV11 as model name, model number and manufacturer part number, plus UPC 190873005728. This supports the exact ASIN route and the printed S1 code; do not change the model to S2 based on the URL alone. Amazon's color/material fields and Galanz's product page identify the stainless variant.

The manual separates rated output from input

The model-specific Galanz manual lists 1,100 W as rated microwave output and 1,350 W as microwave power consumption, with a 120-V/60-Hz supply. Those numbers describe different sides of the appliance: compare 1,100 W as the cooking-output rating and retain 1,350 W as electrical input. This avoids treating the historical title's 1,100-W figure as input. The manual's separate ratings are more specific than the current marketplace's generic wattage fields.

Sensor cooking and inverter operation are real features

Galanz identifies six sensor-cook programs and seven sensor-reheat programs, and the model manual has dedicated Sensor Cook and Sensor Reheat controls. The manual says a humidity sensor monitors vapor during sensor cooking. The official page also describes inverter operation and ten variable power levels. These are documented product features, not results from a personal cooking test; use the program guidance in the manual for the food and quantity involved.

Treat the unit as countertop-only

The model manual calls for a stable countertop, at least 8 in. of space above and 2 in. at both sides; it also says the appliance shall only be used on a countertop and not to remove the feet. Amazon's current listing separately says countertop or built-in with trim kits not included, but Lowe's exact-model structured specification says no compatible trim kit is available. The model-specific installation instructions do not support a cabinet opening, so trimKitCompatible is false. The official product manual itself does not state the 12.8-in. tray diameter; that figure comes from exact Amazon details and Lowe's.

Commercial warranty limits are explicit

Galanz's model manual excludes damage caused by commercial use from its warranty. This supports commercialDuty false for ordinary commercial kitchen use, but it is not a foodservice certification or duty-cycle specification. Confirm intended workload directly with Galanz before using it in a shared commercial setting. The specified 120-V/60-Hz supply and exact ASIN-to-model match are documented separately from that warranty limitation.

What else to compare

GE Profile PEM31SFSS offers 1.1 cu. ft., 800 W IEC output, sensor cooking, a 10.625-in. tray and manufacturer-listed optional trim kits. The Galanz is larger at 1.3 cu. ft. and has 1,100 W output, but its manual restricts it to countertop use while GE documents a trim-kit route. Compare the verified cavity, output, tray and installation evidence rather than treating the word built-in on a marketplace page as approval.

Amana Amana RMS10DSA 0.8-Cu.-Ft. Commercial Dial-Control Countertop Microwave Commercial 0.8-cu.-ft. countertop model with 1,000-W output and six-minute dial timer. RMS10DSA is a compact, explicitly foodservice-classified countertop microwave with 1,000-W IEC output, stainless interior/exterior, a 12-in. platter and simple dial operation. Its six-minute timer and full-power-only interface distinguish it from touch-programmed commercial models.Mainstay Mainstays EM720CGA-W 0.7-Cu.-Ft. White Countertop Microwave 0.7-cu.-ft. white model with 700-W output and 10-in. turntable. The exact white EM720CGA-W identity is independently tied to B06Y5M61H3, and its family manual provides concrete size and electrical figures: 0.7 cu. ft., 700-W output, 1,050-W input and a 10-in. tray. This supports a tagged direct product link without relying on a title alone.Sharp Sharp SMC1131CB 1.1-Cu.-Ft. Black Countertop Microwave 1.1-cu.-ft. black model with 1,000-W output and 11.2-in. Carousel turntable. SMC1131CB pairs a 1.1-cu.-ft. black countertop body with 1,000-W output and an 11.2-in. tray. Sharp documents ten power levels, simple one-touch controls, auto defrost and express cook, giving the model more usable comparison points than its renewed offer title alone.

Explore this category →

Before you buy

What is the GEWWD13S1SV11 microwave output?

The Galanz manual rates microwave output at 1,100 W and separately lists 1,350 W as microwave power consumption/input.

Does it have true sensor cooking?

Yes. Galanz documents six sensor-cook programs and seven sensor-reheat programs, with separate sensor controls in the exact-model manual.

Can I install it as a built-in microwave?

The Amazon listing says countertop or built-in, but the exact model manual says it shall only be used on a countertop; Lowe's lists no compatible trim kit.

Does ASIN B08P5M8MSR match this model?

The current Amazon item details list GEWWD13S1SV11 as model, model name and manufacturer part number, with UPC 190873005728.

What size turntable does it use?

Exact Amazon details and Lowe's specifications list a 12.8-in. glass turntable; Galanz's official model page does not publish that diameter.

Where can I check the current price?

Use the Amazon link for current offers. Check the exact model, seller, product condition, delivery, and return terms. This page does not display a live price or confirm stock.

Sources & review basis

We use the following manufacturer documentation for the product features above. Our suitability notes and buying advice are editorial judgments based on those features, not measured performance results.

Galanz official model page and GEWWD13S1SV11 owner manual, corroborated by current exact Amazon item details ↗ — checked October 4, 2026.
Galanz official product page: printed S1 model, capacity, stainless finish, sensor programs, inverter, controls and supply ↗ — checked October 4, 2026.
Galanz-copyrighted GEWWD13S1SV11 owner manual: output/input ratings, sensor controls, countertop-only installation and warranty limitation ↗ — checked October 4, 2026.
Current exact Amazon item details: ASIN-to-model/MPN/UPC mapping and 12.8-in. turntable ↗Paid link · We may earn a commission. — checked October 7, 2026.
Lowe's exact-model specifications: sensor controls, 12.8-in. turntable and no compatible trim kit ↗ — checked October 4, 2026.

Read our research and update process →

The decision

Galanz GEWWD13S1SV11 is a verified 1.3-cu.-ft. stainless sensor/inverter microwave with 1,100 W rated output, 1,350 W input and a 12.8-in. tray. B08P5M8MSR maps to the exact S1 model and can be linked directly with the affiliate tag. Galanz's model manual says countertop-only use, despite conflicting marketplace built-in text, and excludes commercial-use damage from warranty coverage.

Is it the right fit?

Check the exact model and today’s offers on Amazon.

Search this model on Amazon ↗Paid search link · We may earn a commission. Confirm the exact model and seller in the results.

As an Amazon Associate I earn from qualifying purchases.

Find the countertop microwave that fits you.