Compact Microwave with USB Charging & Allocator by Summit
- Compact Microwave Oven
- 0.7 cu ft
- 700 watts
- 1
A guest-room oriented compact microwave, notable for combining a small footprint, charging ports and a surge-conscious power allocator.
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How it ranks among the 16 compact microwave ovens we track
0 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 16 compact microwave ovens we track - how the scorecard works · full compact microwave ovens data report. Confidence: limited - limited rating history.Last refreshed Jun 13, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
Summit's SM904WA is a 700W compact microwave built for hospitality settings, adding two USB charging ports and a built-in power allocator to a guest room countertop appliance.
The power allocator is the notable detail here, meant to help prevent power surges in a shared electrical setup like a hotel room, a different concern than home kitchen use. Combined with the USB ports, this reads as purpose-built for guest rooms rather than a general kitchen microwave repackaged with charging ports.
- 700W compact microwave
- Two built-in USB charging ports
- Built-in power allocator
- Multistage cooking and auto defrost
Who it's for
Suits hotels, short-term rentals or dorm-style rooms wanting a compact microwave that doubles as a phone charging spot. A home kitchen buyer who just wants a small microwave has simpler options without the allocator feature aimed at multi-room power management.
Strengths and trade-offs
Drawn from this product's published specifications.
- Two USB ports for guest device charging
- Built-in power allocator for in-room electrical safety
- Child lock and mute options suited to hospitality use
- Eco mode dims the display to save power
- 700W output is modest, better for reheating than full cooking
- No rating or review data available yet
Performance notes
At 700W it cooks at a lower output than full-size kitchen microwaves, suited to reheating and light cooking rather than large meals. The digital panel offers one-touch settings, multistage cooking, cook-by-weight and auto defrost, plus a child lock and a mute option for the end-of-cycle alert, both useful in a shared lodging setting.
Specifications
| Brand | Summit Appliance |
|---|---|
| Model | SM904WA |
| Dimensions & fit | |
| Item Weight | 35 pounds |
| Capacity & performance | |
| Capacity | 0.7 cu ft |
| Heating Method | Microwave |
| Power & efficiency | |
| Wattage | 700 watts |
| Voltage | 115 volts |
| Construction & materials | |
| Color | White |
| Included components | |
| Unit Count | 1 |
| Warranty & support | |
| Warranty Description | 90 days |
| Other details | |
| Additional Features | Easy-grab handle in brushed stainless steel elevates the look for the microwave |
How it compares
This product against the closest alternatives we track in compact microwave ovens.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Compact Microwave with USB Charging & Allocator by SummitThis product | - | - | 2.7 / 5 |
| COMFEE' EM720CPL-PMB Countertop Microwave Oven with Sound On/OffCOMFEE' | 4.4 / 5 | 28,000 | 4.4 / 5 |
| Farberware 1.1 Cu. Ft. Countertop Microwave OvenFarberware | 4.4 / 5 | 1,100 | 4.3 / 5 |
| 1.6 cu. ft. Countertop Microwave Oven in WhiteMagic Chef | 4.4 / 5 | 403 | 4.2 / 5 |
| FRIGIDAIRE EMW788RETRO 0.7 cu. ft. Retro MicrowaveFrigidaire | 4.2 / 5 | 480 | 4.0 / 5 |
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Questions about the Summit Appliance SM904WA
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What does the power allocator on the Summit SM904WA do?
It is a pre-installed feature meant to help allocate refrigerator or in-room power and reduce the chance of surges in a shared room setup.
Can guests charge phones on this microwave?
Yes, it has two built-in USB ports for charging mobile devices.
Does it have a child lock?
Yes, it includes a child lock safety feature.