Get yours today!
In the last 7 days
Delivery timeframe shown above at checkout
Unlimited lifetime support, always available.
Trade pricing on 169 authorized brands. Full OEM warranties. 7-10 business days delivery.
Shop All ProductsPremium monocrystalline and bifacial panels with 25-year warranties from authorized manufacturers.
Shop Solar PanelsString, micro, and hybrid inverters from 8+ authorized brands. Full warranty and technical support.
Shop InvertersHome and commercial battery systems from leading manufacturers. Grid-tied and off-grid options.
Shop BatteriesRoof and ground mount systems from IronRidge, Unirac, and Quick Mount PV. All components in stock.
Shop RackingMPPT and PWM charge controllers for off-grid and hybrid solar systems from 5+ authorized brands.
Shop ControllersHome standby, portable, and commercial generators. Automatic transfer switches and installation accessories.
Shop GeneratorsLevel 1, Level 2, and commercial EV chargers from leading brands. Smart connectivity and universal compatibility.
Shop EV ChargersBreakers, panels, wire, conduit, and safety switches from Square D, Siemens, Eaton, and more. Not just solar.
Shop Electrical50,000+ SKUs, 169 authorized brands. Our team helps you find the right products for any project.
Get a Quote
Model SAS400M-108H | Monocrystalline PERC | 108 Half-Cell | Monofacial | 1500V System Voltage
The Sail Solar SAS400M-108H 400W monocrystalline solar panel delivers reliable performance for residential and commercial arrays. This high efficiency module is part of the 395–420W Hi Pro 4 family from Sail Solar Energy Co., Ltd in China. The panel provides up to 400W output under standard test conditions with a module efficiency of 20.48 percent. A power tolerance of 0 to +1 percent helps ensure consistent real world yield over its lifetime. The 108 half cell layout uses 182 mm monocrystalline cells to balance high power density with improved thermal behavior. Its compact footprint of 1722 by 1134 mm suits rooftop, ground mount, and small commercial installations. The robust anodized aluminum frame, 3.2 mm tempered glass, and IP68 junction box support long term outdoor durability. With a 1500V system voltage rating and 25A series fuse rating, this panel integrates easily into modern string inverter designs. The SAS400M-108H is designed to deliver stable output even at higher cell temperatures around 45 degrees Celsius NOCT. It offers an attractive option where dependable energy production and efficient use of roof space are priorities.
High power density in a compact footprint: Up to 400W output and 20.48 percent module efficiency help maximize energy from limited roof space. The 108 half cell layout supports dense array designs without oversizing mounting structures.
Reliable performance across the 395–420W range: The SAS400M-108H sits in a product range spanning 395 to 420W power classes. This consistency makes system design flexible while keeping electrical characteristics closely aligned.
Stable output at real operating temperatures: A nominal operating cell temperature of 45 ±2 degrees Celsius supports reliable production in warm climates. Low temperature coefficients help reduce performance losses as cells heat under strong sun.
Durable construction for long service life: The panel uses 3.2 mm coated tempered glass and an anodized aluminum alloy frame. An IP68 junction box with three diodes and robust MC4 compatible connectors helps protect the module in harsh outdoor conditions.
Flexible system integration: A maximum system voltage of 1500V and 25A series fuse rating suit modern high voltage strings. The 4 mm², 300 mm output cables support straightforward connection to inverters and combiner boxes.
This Sail Solar SAS400M-108H monocrystalline module converts sunlight into usable DC electricity through high efficiency silicon cells. The panel uses 108 half cut cells arranged in a 2 by 54 layout to manage current more efficiently. When the panel is exposed to sunlight, photons strike the silicon cells and release electrons. These electrons flow through the cell circuits and generate a direct current output at the module terminals. At standard test conditions, the panel delivers 400W at a voltage around 31.02 volts and a current of 12.9 amperes. Under typical outdoor operation near its NOCT value, the panel produces about 302W at 29.26 volts and 10.32 amperes. By connecting several panels in series and parallel, the array output is matched to a compatible inverter. The inverter then converts the DC energy into AC power suitable for building loads or grid export. Protective features like bypass diodes and robust insulation help keep operation stable and safe over many years.
Monocrystalline half cell energy generation: Each 182 mm monocrystalline cell is cut into two halves to reduce internal resistive losses. The half cell design lowers the current per cell string, which improves efficiency and reduces heat buildup under strong irradiance.
Power output at STC and NOCT conditions: At STC, the module reaches 400W with a Vmpp of 31.02V and Impp of 12.9A. Under NOCT, typical operating power is around 302W with slightly lower voltage and current, reflecting real outdoor performance.
Thermal and electrical protection: Temperature coefficients define how output changes as cells warm or cool. The panel uses three diodes in the IP68 junction box to limit hot spots and protect shaded cell strings, supporting long term reliability for the array.
| Module Type | Monocrystalline Hi Pro 4, SAS400M-108H |
| Power Range | 395 Wp to 420 Wp product family |
| Maximum Power at STC (Pmax) | 400 Wp |
| Maximum Power at NOCT (Pmax) | 302 Wp |
| Open Circuit Voltage (Voc) STC | 37.07 V |
| Open Circuit Voltage (Voc) NOCT | 34.88 V |
| Short Circuit Current (Isc) STC | 13.79 A |
| Short Circuit Current (Isc) NOCT | 11.03 A |
| Voltage at Maximum Power (Vmpp) STC | 31.02 V |
| Voltage at Maximum Power (Vmpp) NOCT | 29.26 V |
| Current at Maximum Power (Impp) STC | 12.9 A |
| Current at Maximum Power (Impp) NOCT | 10.32 A |
| Module Efficiency Range | 20.23% to 21.51% across the series |
| Module Efficiency (SAS400M-108H) | 20.48% |
| Power Tolerance | 0 to +1% |
| Nominal Operating Cell Temperature (NOCT) | 45 ±2 °C |
| Operating Temperature Range | -40 °C to +85 °C |
| Temperature Coefficient of Pmax | -0.29 %/°C |
| Temperature Coefficient of Voc | -0.25 %/°C |
| Temperature Coefficient of Isc | +0.045 %/°C |
| Maximum System Voltage | 1500 V DC (IEC/UL) |
| Maximum Series Fuse Rating | 25 A |
| Panel Dimensions (H × W × D) | 1722 × 1134 × 30 mm |
| Weight | 20.5 kg ±3% |
| Cell Size and Type | 182 mm monocrystalline cells |
| Cell Configuration | 108 cells (2 × 54 half cell layout) |
| Front Glass | 3.2 mm coated tempered glass, single glass |
| Frame Material | Anodized aluminum alloy frame |
| Junction Box Rating and Diodes | IP68 junction box with 3 bypass diodes |
| Connector Type | MC4 compatible connectors |
| Cable Cross Section and Length | 4 mm², 300 mm length, customizable on request |
| Mechanical Load Rating (Front) | 5400 Pa maximum static load front side |
| Mechanical Load Rating (Back) | 2400 Pa maximum static load back side |
| Seller and Origin | Sail Solar Energy Co., Ltd, China |
Certifications: Designed to meet common IEC and UL standards for crystalline PV modules. Please check the official Sail Solar datasheet for the latest certification list.
Inverter Compatibility: Suitable for most modern string and hybrid inverters that support 1500V DC systems and 25A string fuse ratings.
Environmental: Engineered for outdoor use with IP68 junction box, wide operating temperature range, and high static load ratings for wind and snow.
Warranty: Standard Sail Solar product and performance warranties apply. Refer to the manufacturer’s warranty documentation for exact terms and coverage periods.
● Available | Contact us for lead time and pricing
From hurricanes to blackouts, reliable solar power ensures you're able to keep your home & family safe no matter what comes your way.
Making one-click solar solutions simple since 2018. Whether you’re powering a cabin, charging devices, or backing up your home.
Say goodbye to reliance on the energy companies. Enjoy the same freedom that 50,000+ customers have with their own solar power system.
$150 Value - Free Offer (Limited Time Only!) No Strings Attached. Totally Free. Takes Less than 2 Minutes.