APsystems DS3
#1 in Two panelFull review
The two panel pick for big modern panels: the highest input current here and a low price per watt from retailers.
APsystems $295 US Solar Supplier $193.19$193.19
The APsystems DS3 is the better microinverter overall, rated 4.7 to 3.4. The APsystems DS3 leads on warranty, efficiency and value. The APsystems DS3 costs $105.81 less ($193.19 vs $299).
APsystems EZ1-LV
#8 in Two panelFull review
For a small two panel system that plugs into an outlet circuit where your utility allows it. For a permanent roof array, a 240 V unit has a longer warranty and better efficiency.
APsystems $325 Shop Solar Kits $299 US Solar Supplier $299.99$299
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 APsystems DS3 for warranty (25-year warranty vs 12-year warranty), efficiency (97% CEC weighted efficiency vs 95% CEC weighted efficiency) and value ($0.22 per watt ($193.19, 880 W) vs $0.33 per watt ($299, 900 W)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every two panel microinverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | APsystems DS3 | APsystems EZ1-LV |
|---|---|---|
| Overall rating | 4.7/5 | 3.4/5 |
| Value 25% | 73 $0.22 per watt ($193.19, 880 W) | 43 $0.33 per watt ($299, 900 W) |
| Grid listing 20% | 100 UL 1741 listed, meets rapid shutdown | 100 UL 1741 listed, meets rapid shutdown |
| Efficiency 15% | 80 97% CEC weighted efficiency | 0 95% CEC weighted efficiency |
| Input current 15% | 100 20 A per input | 100 18 A per input |
| Warranty 25% | 100 25-year warranty | 35 12-year warranty |
Specifications
| APsystems DS3 | APsystems EZ1-LV | |
|---|---|---|
| Output | ||
| Panel inputs | 2 | 2 |
| AC output | 880 W | 900 W |
| Grid voltage | 240 V split phase or 208 V | 120 V |
| CEC efficiency | 97% | 95% |
| Peak efficiency | 97.3% | 96% |
| Panel input | ||
| Largest panel | 660 W | 660 W |
| Current per input | 20 A | 18 A |
| MPPT range | 28 to 45 V | 27 to 45 V |
| Listing and build | ||
| UL 1741 | Yes | Yes |
| Rapid shutdown | Yes | Yes |
| Monitoring | gateway (sold separately) | Wi-Fi built in |
| Enclosure | NEMA 6 | NEMA 6 |
| Weight | 6.8 lb | 9.3 lb |
| Warranty | 25 years | 12 years |
| Released | 2021-09 | 2026-07 |