Duracell D350-M1A
#1 in One panelFull review
A low cost one panel unit for 400 to 450 W panels, with input current to spare and the same 25 year warranty as Enphase.
Signature Solar $110.38$110.38
3.9/5
The best value in the Enphase line for 350 to 450 W panels. It takes more current than the IQ8M for less money.
- 320 WAC output
- 1Panels
- YesUL 1741
- 25 yearsWarranty
Check price at US Solar Supplier$149.46Check price at Signature Solar$211
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- The lowest price of any Enphase unit here
- A 14 A input handles modern high current panels without clipping
- Works on 208 V commercial grids as well as 240 V homes
- Listed for rapid shutdown and covered for 25 years once registered
Cons
- 320 W continuous clips panels much above 400 W
- Monitoring needs an IQ Gateway, sold separately
The Enphase IQ8 Commercial family
Every Enphase IQ8 Commercial model we rank, smallest first. Ratings compare each against its own panel count.
| Model | AC output | Rating | Price |
|---|---|---|---|
| Enphase IQ8MC (this one) | 320 W | 3.9/5 | $149.46 |
| Enphase IQ8AC | 349 W | 3.9/5 | $173.96 |
| Enphase IQ8HC | 384 W | 4.0/5 | $161 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its panel count. How we rank explains each one.
Specifications
| Model number | IQ8MC-72-M-US |
|---|---|
| Output | |
| Panel inputs | 1 |
| AC output | 320 W |
| Grid voltage | 240 V split phase or 208 V |
| CEC efficiency | 97% |
| Peak efficiency | 97.4% |
| Panel input | |
| Largest panel | 460 W |
| Current per input | 14 A |
| MPPT range | 25 to 45 V |
| Listing and build | |
| UL 1741 | Yes |
| Rapid shutdown | Yes |
| Monitoring | gateway (sold separately) |
| Enclosure | NEMA 6 |
| Weight | 2.4 lb |
| Warranty | 25 years |
Alternatives in this panel count
Enphase IQ8HC
#2 in One panelFull review
The Enphase choice for today’s 450 W and larger panels. It gets the most output per panel in the line at its lowest price per watt.
altE $161 US Solar Supplier $185.44 Signature Solar $239.75$161
Hoymiles HMS-500-1T-NA
#4 in One panelFull review
A single panel inverter for big 500 W+ panels where shade or odd roof planes call for one inverter per panel. For a plain array, a Hoymiles four panel unit costs much less per watt.
Self2Solar $199$199
Compare
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