Aptos Solar DNA-120-BF26 370W Specifications & Review
Aptos Solar DNA-120-BF26 is a 370W bifacial all-black panel with up to 30% rear-side energy gain, ideal for residential installations seeking extra output.
What Makes the Aptos Solar DNA-120-BF26 370W Different
The Aptos Solar DNA-120-BF26 370W delivers 370W at 20.28% efficiency using PERC Mono Bifacial cells in a 120-cell configuration. Aptos Solar brings proven PERC monocrystalline technology to a compact residential form factor measuring 1762×1048mm at 20.5 kg. The -0.36%/°C temperature coefficient is standard for the cell technology. The bifacial design captures reflected ground light for additional energy gain of 5-15% when mounted above reflective surfaces. With a 25-year product warranty and 30-year performance guarantee, the DNA-120-BF26 370W provides 1% first-year and 0.54% annual degradation — standard degradation rates for the technology.
Key Specifications
| Brand | Aptos Solar |
| Model | Aptos Solar DNA-120-BF26 370W |
| Power Output | 370W |
| Efficiency | 20.28% |
| Power Density | 18.6 W/sq ft |
| Cell Type | PERC Mono Bifacial |
| Cell Count | 120 cells |
| Dimensions | 1762 x 1048 x 35 mm |
| Weight | 20.5 kg |
| Open Circuit Voltage (Voc) | 40.8V |
| Max Power Voltage (Vmp) | 34.06V |
| Short Circuit Current (Isc) | 11.51A |
| Max Power Current (Imp) | 10.87A |
| Temp Coefficient (Pmax) | -0.36%/°C |
| Product Warranty | 25 years |
| Performance Warranty | 30 years |
| First Year Degradation | 1% |
| Annual Degradation | 0.54% |
| Country of Manufacture | Vietnam |
| Certifications | UL 1703, UL 61730, IEC 61215, IEC 61730 |
| Panel Type | Bifacial |
| Snow Load | 5400 Pa (112.8 psf) — Heavy Snow Rated |
| Wind Load | 4000 Pa (83.5 psf) |
Pros & Cons
Pros
- ✓ Bifacial design for up to 30% additional rear-side energy
- ✓ All-black aesthetic
- ✓ Lightweight and easy to install
- ✓ 30-year performance warranty
Cons
- ✗ Lower 370W base output
- ✗ Bifacial gain requires proper mounting conditions
- ✗ 20.28% efficiency below top-tier panels
Best For
Homeowners with elevated mounting or reflective surfaces who want an aesthetically pleasing bifacial panel.
Is the Aptos Solar DNA-120-BF26 370W Worth It?
The Aptos Solar DNA-120-BF26 370W delivers 370W of power at 20.28% module efficiency, which is near the current industry average of approximately 21%. While not the highest-efficiency option on the market, it may offer compelling value depending on price and your available roof space.
From a warranty perspective, the DNA-120-BF26 370W comes with a industry-leading 25-year product warranty and a 30-year performance guarantee. The industry standard for product warranties ranges from 12 to 25 years, so this panel sits at the top of that range, giving you long-term peace of mind. At the end of 30 years, the panel is guaranteed to still produce approximately 83.3% of its rated output, with first-year degradation of 1% and just 0.54% per year after that.
At around $0.36 per watt before installation, the DNA-120-BF26 370W offers excellent value for budget-conscious buyers. For a typical 8 kW system using 22 panels, the panel cost alone would be approximately $2,880 before installation and incentives.
For hot climates, the temperature coefficient of -0.36%/°C is average. This is on the higher end, meaning noticeable power reduction when temperatures climb well above 25°C (77°F). If you live in a consistently hot climate, consider a panel with a lower temperature coefficient. Overall, the Aptos Solar DNA-120-BF26 370W can be a reasonable choice depending on your budget and performance requirements.
Real-World Performance
In real-world conditions, the Aptos Solar DNA-120-BF26 370W delivers consistent energy production shaped by its -0.36%/°C temperature coefficient. On a hot summer day when panel surface temperatures reach 65°C (40°C above STC), the DNA-120-BF26 370W loses approximately 14.4% of rated output — typical for PERC technology. Over a full year in a typical US location, expect annual specific yield of 1,400-1,700 kWh per kW installed, depending on location, tilt, and shading. The 1% first-year degradation settles into 0.54% annual degradation thereafter; after 25 years the DNA-120-BF26 370W should still produce approximately 86.0% of its original rating. In bifacial installations on light-colored ground surfaces or trackers, expect 5-15% additional energy beyond the rated front-side output. The 120 half-cut cells provide improved shade tolerance compared to full-cell designs — when one cell is shaded, only one sub-string is affected rather than an entire string, limiting production losses to approximately one-third of the panel rather than one-half.
Who Should Buy the Aptos Solar DNA-120-BF26 370W?
System Design Tips
For string inverter systems, the Aptos Solar DNA-120-BF26 370W's Voc of 40.8V allows up to 14 panels per string on a 600V inverter, or 11 panels per string on 480V systems. The Isc of 11.51A is within the input range of all major residential string inverters and microinverters. For microinverter pairing, the Enphase IQ8A (366VA) or IQ8H (384VA) handles the 370W output well with a DC/AC ratio of 1.0-1.0. SolarEdge P505 optimizers pair well for optimizer-based systems. Size your inverter at 75-90% of total DC wattage for optimal clipping management — for a 28-panel array (10.4 kW DC), a 8 W AC inverter is a good match. The panel handles 5400 Pa snow load and 4000 Pa wind load.
Price Estimate
The Aptos Solar DNA-120-BF26 370W is priced at approximately $0.36/W, putting each panel at roughly $133. A 28-panel system (10.4 kW) costs approximately $3730 for panels alone. Total installed system cost including inverter, racking, wiring, permitting, and labor typically runs $2.50-$3.50/W for residential, or $25900-$36260 before the 30% federal ITC. After ITC: $18130-$25382.
How the Aptos Solar DNA-120-BF26 370W Compares
| Model | Wattage | Efficiency | W/sq ft | Warranty | Snow Load | Cell Type |
|---|---|---|---|---|---|---|
| Aptos Solar DNA-120-BF26 370W (this panel) | 370W | 20.28% | 18.6 | 25 yrs | 5400 Pa | PERC Mono Bifacial |
| Q CELLS Q.PEAK DUO 370W | 370W | 20.4% | 17.6 | 12 yrs | 5400 Pa | PERC Mono |
| Silfab SIL-370-BK 370W | 370W | 20.4% | 17.6 | 25 yrs | 2400 Pa | PERC Mono |
| CertainTeed Solstice Solar Panel 365W | 365W | 19.9% | 18.5 | 10 yrs | 5400 Pa | Monocrystalline PERC |
Compare This Panel
Installation & Compatibility
System Voltage & String Sizing
- Open Circuit Voltage (Voc)
- 40.8V
- Max Power Voltage (Vmp)
- 34.06V
- Short Circuit Current (Isc)
- 11.51A
- Max Power Current (Imp)
- 10.87A
- Max Panels per String (600V)
- 14 panels
Based on NEC 600V residential limit. Actual string sizing should account for cold-temperature Voc rise. Consult your installer or use a string sizing tool for your specific location.
Mounting Requirements
- Dimensions
- 1762 x 1048 x 35 mm
- Weight
- 20.5 kg (45.2 lbs)
- Area per Panel
- 19.9 sq ft
- Weight per sq ft
- 2.3 lbs/sq ft
Recommended Inverter Types
- - Microinverters: Ideal for shaded roofs or complex layouts. Match to panels rated 370W+.
- - String Inverters: Cost-effective for unshaded arrays. Ensure MPPT range covers 34.06V.
- - Hybrid Inverters: Best if adding battery storage. Check DC input specs match panel Voc of 40.8V.
Frequently Asked Questions
How efficient is the Aptos Solar DNA-120-BF26 370W compared to other panels?
The DNA-120-BF26 370W achieves 20.28% module efficiency, which is standard for PERC residential panels. PERC panels typically range from 20.0% to 21.8%, and the DNA-120-BF26 370W delivers standard performance within that range. Higher efficiency means more watts per square foot of roof space.
What is the warranty on the Aptos Solar DNA-120-BF26 370W?
Aptos Solar provides a 25-year product warranty covering manufacturing defects and a 30-year performance warranty guaranteeing output levels. The performance warranty typically starts at 99% after year 1 and degrades by 0.54% per year, guaranteeing approximately 86.0% output at year 25. The extended product warranty coverage exceeds the industry standard of 10-12 years.
How many Aptos Solar DNA-120-BF26 370W panels do I need for my home?
For a typical US home using 10,000 kWh per year, you need approximately 28 panels (10.4 kW system) assuming 4-5 peak sun hours per day. This varies significantly by location — homes in Arizona may need 25-27 panels while homes in the Pacific Northwest may need 30-32 panels. Your installer will calculate the exact number based on your utility bills, roof orientation, shading, and local solar resource.
What is the efficiency of the Aptos Solar DNA-120-BF26 370W?
The Aptos Solar DNA-120-BF26 370W achieves 20.28% module efficiency using PERC Mono Bifacial cell technology. This is around the industry average for residential solar panels in 2026.
What warranty does the Aptos Solar DNA-120-BF26 370W include?
It comes with a 25-year product warranty and a 30-year performance warranty guaranteeing output at approximately 83.3% of rated power at the end of the warranty period.
How does the Aptos Solar DNA-120-BF26 370W perform in hot weather?
With a temperature coefficient of -0.36%/°C, the DNA-120-BF26 370W experiences moderate power reduction in high temperatures. Every degree above 25°C reduces output by 0.36%.
What size system can I build with the Aptos Solar DNA-120-BF26 370W?
At 370W per panel, you would need approximately 22 panels for an 8 kW system or 28 panels for a 10 kW system. Each panel measures 1762 x 1048 mm (19.9 sq ft).
What inverter is best with the Aptos Solar DNA-120-BF26 370W?
The Aptos Solar DNA-120-BF26 370W works well with both string inverters and microinverters. For string inverters, choose one with a maximum input voltage above 40.8V and an MPPT voltage range that covers 34.06V. Microinverters rated for 370W+ panels are also an excellent choice, offering panel-level monitoring and shade tolerance. Popular options include Enphase IQ8 series microinverters and SolarEdge string inverters with power optimizers.
How long will the Aptos Solar DNA-120-BF26 370W last?
The Aptos Solar DNA-120-BF26 370W is built to last well beyond its 30-year performance warranty. With first-year degradation of 1% and annual degradation of 0.54% thereafter, the panel will still produce approximately 83.3% of its rated power after 30 years. Most modern solar panels continue generating useful power for 30-40 years, though output gradually decreases over time.
Is the Aptos Solar DNA-120-BF26 370W good for Arizona and other sunny states?
The Aptos Solar DNA-120-BF26 370W can work in hot states like Arizona, Nevada, and Texas, though its temperature coefficient of -0.36%/°C means it will lose some output on the hottest days. Consider panels with a lower (closer to 0) temperature coefficient if you live in an area with extreme heat. Higher sun exposure in these states means more total energy production throughout the year, often offsetting any heat-related losses.
Is the Aptos Solar DNA-120-BF26 370W worth the money?
The Aptos Solar DNA-120-BF26 370W delivers 20.28% efficiency at approximately $0.36/W, which is near the industry average of ~21%. Combined with a industry-leading 25-year product warranty and 30-year performance guarantee, it offers reasonable value for homeowners seeking reliable solar generation.
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Last updated: February 2026