Aptos DNA-108 N-Type 440
#1 in 150 W and upFull review
A low-cost all-black rooftop panel with an unusually long 30-year product warranty, for a home system bought as a full set of panels.
Signature Solar $189.20$189.20
The Aptos DNA-108 N-Type 440 is the better rigid solar panel overall, rated 4.7 to 4.0. The Aptos DNA-108 N-Type 440 leads on durability, value and efficiency. The Aptos DNA-108 N-Type 440 costs $80.78 less ($189.20 vs $269.98).
LIVOSUN 435W Bifacial
#26 in 150 W and upFull review
A low-cost large bifacial panel for a home rooftop, shed or ground-mount array on a 24 V or 48 V system with an MPPT controller. Buy it for the price, not the paperwork, since the seller publishes very few specs.
Amazon $269.98$269.98
Prices were last checked October 26, 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 Aptos DNA-108 N-Type 440 for durability (IP68, 30-year warranty vs no IP rating, 10-year warranty), value ($0.43 per rated watt vs $0.62 per rated watt) and efficiency (22.5% module efficiency vs 22% module efficiency (from size and rated power)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 150 W and up rigid solar panel; a clear win is highlighted. How we rank explains each one.
| Factor weight | Aptos DNA-108 N-Type 440 | LIVOSUN 435W Bifacial |
|---|---|---|
| Overall rating | 4.7/5 | 4.0/5 |
| Value 45% | 100 $0.43 per rated watt | 84 $0.62 per rated watt |
| Tested output 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Durability 25% | 100 IP68, 30-year warranty | 60 no IP rating, 10-year warranty |
| Efficiency 15% | 91 22.5% module efficiency | 80 22% module efficiency (from size and rated power) |
Specifications
| Aptos DNA-108 N-Type 440 | LIVOSUN 435W Bifacial | |
|---|---|---|
| Output | ||
| Rated power | 440 W | 435 W |
| Module efficiency | 22.5% | 22% (rated power over panel area) |
| Claimed efficiency | 22.5% (module efficiency from the datasheet; Aptos publishes no headline figure (the 450 W version is 23.04%)) | - |
| Cells | Monocrystalline (N-type, 108 split (half) cells, Aptos DNA) | Monocrystalline (N-type) |
| Bifacial | No | Yes |
| Electrical | ||
| Open-circuit voltage (Voc) | 39 V | 37.3 V |
| Voltage at max power (Vmp) | 33.5 V | 31.6 V |
| Short-circuit current (Isc) | 13.7 A | - |
| Current at max power (Imp) | 13.2 A | 13.8 A |
| Voc temperature coefficient | -0.2%/°C | - |
| Series / parallel | Yes | - |
| Connections | ||
| Output connector | Stäubli EVO2 | MC4 |
| Build | ||
| Weight | 46.3 lb (21 kg) | - |
| Dimensions | 67.7 x 44.6 x 1.3 in | 68 x 45 x 1.5 in |
| Frame | anodized aluminum alloy | aluminum |
| Glass | 3.2 mm anti-reflection, low-iron tempered | tempered |
| Junction box rating | IP68 | - |
| Warranty | 30 years | 10 years |
| Output warranty | 30 years; Aptos's standard module warranty (April 2023) allows 2% loss in year 1 and 0.54% a year after, 82.9% at year 30 | "over 30 years" power output warranty; no percentage given |