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
The Duracell D350-M1A is the better microinverter overall, rated 4.3 to 3.9. The Duracell D350-M1A leads on value and input current. The Enphase IQ8AC wins on efficiency. The Duracell D350-M1A costs $63.58 less ($110.38 vs $173.96).
Enphase IQ8AC
#5 in One panelFull review
The Enphase pick for 400 to 500 W panels, replacing the IQ8A with a higher input current at a lower price.
US Solar Supplier $173.96 Signature Solar $211 altE $227.44$173.96
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Duracell D350-M1A for value ($0.32 per watt ($110.38, 350 W) vs $0.50 per watt ($173.96, 349 W)) and input current (20 A per input vs 14 A per input).
- Choose the Enphase IQ8AC for efficiency (97% CEC weighted efficiency vs 96.5% CEC weighted efficiency).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every one panel microinverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Duracell D350-M1A | Enphase IQ8AC |
|---|---|---|
| Overall rating | 4.3/5 | 3.9/5 |
| Value 25% | 46 $0.32 per watt ($110.38, 350 W) | 13 $0.50 per watt ($173.96, 349 W) |
| Grid listing 20% | 100 UL 1741 listed, meets rapid shutdown | 100 UL 1741 listed, meets rapid shutdown |
| Efficiency 15% | 60 96.5% CEC weighted efficiency | 80 97% CEC weighted efficiency |
| Input current 15% | 100 20 A per input | 50 14 A per input |
| Warranty 25% | 100 25-year warranty | 100 25-year warranty |
Specifications
| Duracell D350-M1A | Enphase IQ8AC | |
|---|---|---|
| Output | ||
| Panel inputs | 1 | 1 |
| AC output | 350 W | 349 W |
| Grid voltage | 240 V | 240 V split phase or 208 V |
| CEC efficiency | 96.5% | 97% |
| Peak efficiency | - | 97.3% |
| Panel input | ||
| Largest panel | 525 W | 500 W |
| Current per input | 20 A | 14 A |
| MPPT range | 22 to 55 V | 28 to 45 V |
| Listing and build | ||
| UL 1741 | Yes | Yes |
| Rapid shutdown | Yes | Yes |
| Monitoring | power line to a gateway | gateway (sold separately) |
| Enclosure | IP67 (NEMA 6) | NEMA 6 |
| Weight | - | 2.4 lb |
| Warranty | 25 years | 25 years |