Side-by-side comparison workbench
Make the tradeoffs impossible to miss.
Compare up to four models, choose what matters most, and see a traceable leader across specs, fit, price, offer quality, and evidence coverage.
What matters most for this decision?
Change the lens to recalculate the leader. Scores use only documented values and expose missing evidence below.
ERAYAK 4500P & FIRMAN WH03562OF
72/100 for balanced decision
88/100 fit · 61/100 class score · 40% offer confidence · 80% data coverage.
This is the leader under the selected rule, not a universal winner. Confirm suitability and safe installation for your use case.
ERAYAK 4500P
FIRMAN WH03562OF
Champion 201318
Champion 201274
Comparison table
14 of 19 rows differ across these models.
| Decision factor | ||||
|---|---|---|---|---|
| Decision scores | ||||
| Balanced decision scoreBased on your selected decision lens | 72/100 Best available | 72/100 Best available | 68/100 | 69/100 |
| Starter fit scorePower, budget, fuel, portability, and noise | 88/100 · Strong fit | 94/100 · Excellent fit Best available | 88/100 · Strong fit | 88/100 · Strong fit |
| Class scorePerformance within a similar product class | 61/100 · Competitive in its class Best available | 32/100 · Best for specific needs | 47/100 · Best for specific needs | 51/100 · Best for specific needs |
| Power | ||||
| Running outputContinuous power | 3,500 W Best available | 3,500 W Best available | 3,500 W Best available | 3,500 W Best available |
| Peak outputShort startup surge | 4,500 W Best available | 4,400 W | 4,250 W | 4,500 W Best available |
| Portability & comfort | ||||
| WeightLower is easier to move | 54 lb Best available | 119 lb | 83.8 lb | 92.2 lb |
| NoiseLower is quieter; distance and load matter | 60.5 dBA Best available | 69 dBA | 64 dBA | 61 dBA |
| Buying intelligence | ||||
| Best listed priceCurrent ranked offer; delivered total may differ | No verified numeric price | $1,200 · FIRMAN | No verified numeric price | No verified numeric price |
| Verified sellersExact-model destinations currently compared | 2 sellers Best available | 1 seller | 1 seller | 1 seller |
| Offer confidencePrice, freshness, stock, shipping, and terms | 40/100 · rank 32/100 | 65/100 · rank 67/100 Best available | 40/100 · rank 32/100 | 40/100 · rank 32/100 |
| Delivered totalListed price plus known shipping | Not confirmed | Not confirmed | Not confirmed | Not confirmed |
| Running watts per dollarUses the best currently listed price | Not available | 2.92 W/$ | Not available | Not available |
| Evidence & safety | ||||
| Data coverageCore comparison fields documented | 80% documented | 100% documented Best available | 80% documented | 80% documented |
| Evidence gapsMissing fields are exposed, never scored as zero | listed price | No core spec gaps | listed price | listed price |
| Recall screenExact-model text match in the current CPSC snapshot | No exact-model match in current screen | No exact-model match in current screen | No exact-model match in current screen | No exact-model match in current screen |
| Data checkedCatalog verification date | Sep 15, 2026 | Sep 15, 2026 | Sep 15, 2026 | Sep 15, 2026 |
| Product basics | ||||
| Fuel / energySupported power source | Gasoline | Propane | Gasoline | Gasoline |
| Product classComparison cohort | mid output inverter generators | mid output inverter generators | mid output inverter generators | mid output inverter generators |
| Best forPrimary use cases | RV and camping power & Selected home essentials | Camping & Home Projects | Home essentials & RV power | Home essentials & RV power |
“Best available” marks the strongest documented numeric value in this comparison. Ties are marked together; missing values do not win or lose.
Recall screening is not a safety certification. Confirm current specifications, notices, price, installation, and safe-use requirements with the manufacturer and seller.