Microinverter. 7 models, 415 W–445 W AC at 240 V.
| Model | Nominal AC | Grid voltage | CEC continuous | CEC weighted eff. | DC test window | CEC listed | UL 1741 SB |
|---|---|---|---|---|---|---|---|
| Q.TRON BLK M-G2.D1+/AC 415 | 415 W | 240 V | 349 W | 97.0% | 31–40 V | Aug 11, 2026 | SB |
| Q.TRON BLK M-G2.D1+/AC 420 | 420 W | 240 V | 349 W | 97.0% | 31–40 V | Aug 11, 2026 | SB |
| Q.TRON BLK M-G2.D1+/AC 425 | 425 W | 240 V | 349 W | 97.0% | 31–40 V | Aug 11, 2026 | SB |
| Q.TRON BLK M-G2.D1+/AC 430 | 430 W | 240 V | 349 W | 97.0% | 31–40 V | Aug 11, 2026 | SB |
| Q.TRON BLK M-G2.D1+/AC 435 | 435 W | 240 V | 349 W | 97.0% | 31–40 V | Aug 11, 2026 | SB |
| Q.TRON BLK M-G2.D1+/AC 440 | 440 W | 240 V | 349 W | 97.0% | 31–40 V | Aug 11, 2026 | SB |
| Q.TRON BLK M-G2.D1+/AC 445 | 445 W | 240 V | 349 W | 97.0% | 31–40 V | Aug 11, 2026 | SB |
| Inverter | Power | CEC weighted eff. | DC test window | UL 1741 SB | Latest CEC | SoCal permits |
|---|---|---|---|---|---|---|
| Qcells Q.TRON BLK M-G2.D1+/AC | 415 W–445 W | 97.0% | 31–40 V | Yes | 2026 | 0 |
| Enphase Energy IQ8 Series | 240 W–633 W | 97.5% | 25–95 V | 44 of 45 | 2025 | 1,104 |
| Enphase Energy IQ7 Series | 190 W–384 W | 97.5% | 22–64 V | 114 of 119 | 2022 | 471 |
| Hoymiles HM-xxxNT | 295 W–1.44 kW | 96.5% | 29–48 V | 11 of 12 | 2023 | 3 |
| Enphase Energy IQ9 Series | 405 W–440 W | 97.5% | 28–45 V | Yes | 2026 | — |
The California Energy Commission lists a weighted efficiency of 97.0% for Qcells Q.TRON BLK M-G2.D1+/AC models, measured at six power levels and three DC voltages.
The CEC list includes 7 models from 415 W to 445 W AC: Q.TRON BLK M-G2.D1+/AC 415, Q.TRON BLK M-G2.D1+/AC 420, Q.TRON BLK M-G2.D1+/AC 425, Q.TRON BLK M-G2.D1+/AC 430, Q.TRON BLK M-G2.D1+/AC 435, Q.TRON BLK M-G2.D1+/AC 440, Q.TRON BLK M-G2.D1+/AC 445.
Yes — the CEC Grid Support Inverter List shows UL 1741 SB for all models.
CEC tested it at 31–40 V DC.