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Model SS8-54HSB-420M | PERC Monocrystalline | 108 Half-Cut Cells | Monofacial | 1500V System Voltage
The SolarSpace SS8-54HSB-420M mono PERC solar panel delivers 420 watts of high efficiency power for modern rooftop systems. This all black module combines sleek aesthetics with advanced cell technology for reliable long term energy production. With 108 half cut monocrystalline PERC cells, it is engineered to perform strongly in real world conditions. The module efficiency reaches up to 21.51 percent, which helps maximize output from compact roof areas. A 12 year product warranty and 25 year linear power warranty support dependable operation over decades. Gallium doped wafers and optimized circuitry reduce annual degradation and improve performance under partial shading. The panel uses robust tempered glass, a black anodized aluminium frame, and an IP68 junction box for harsh weather resistance. This SolarSpace SS8-54HSB-420M 420W Mono PERC Solar Panel is well suited for residential rooftops and small commercial arrays. It offers a refined all black finish that blends cleanly with modern architecture while delivering strong energy yields. Installers gain a balanced combination of power density, reliability, and visual appeal in one compact module.
High power in a compact footprint: The module delivers up to 420 watts with 21.51 percent efficiency, enabling more energy from limited roof space.
All black premium aesthetics: The uniform black cells, frame, and backsheet create a clean appearance that enhances modern homes and visible arrays.
Reliable long term performance: Gallium doped wafers and advanced half cell design reduce light induced degradation and improve durability over time.
Strong output in real conditions: Optimized circuitry and PERC cell technology support higher yields under mixed weather, lower irradiance, and partial shading.
Robust construction and safety: Tempered glass, an anodized aluminium frame, 1500V system rating, and IP68 junction box help ensure safety and structural reliability.
This SolarSpace mono PERC panel converts sunlight into usable DC power through high efficiency monocrystalline cells. Each of the 108 half cut PERC cells captures solar energy and transforms it into electrical current with reduced internal losses. The cells are wired in an optimized circuit layout that supports higher power density and better behavior under shade. Generated DC power flows through the low resistance busbars into the junction box and then out via MC4 compatible connectors. From there, the current is directed to a compatible inverter, which converts the DC electricity into AC power for onsite consumption. Surplus energy can be exported to the grid or stored in batteries, depending on system design and local regulations. The module’s robust materials and sealed IP68 junction box protect the internal electronics from moisture and dust ingress. Temperature coefficients are optimized so output remains more stable as cell temperatures rise during hot weather. In everyday operation, this design helps deliver consistent generation and strong energy yields across varied climates. The result is a dependable rooftop panel that quietly produces clean electricity throughout its long service life.
Mono PERC cell conversion: Monocrystalline PERC cells capture incoming sunlight and reflect previously unused photons back into the cell layer. This process improves electron generation, boosts efficiency, and allows more energy from each square meter of panel area.
Half cut layout and circuitry: Each cell is split into two smaller units, which reduces resistive losses and lowers internal heating. This configuration also improves behavior under partial shading, because only part of the string is affected while the rest continues to produce power.
System integration and protection: Power from the module passes through an IP68 rated junction box with three bypass diodes that help limit hot spots during shading. MC4 compatible connectors simplify series and parallel wiring to inverters or optimizers, supporting safe and flexible array design.
| Brand | SolarSpace Technology Co., Ltd |
| Country of Origin | China |
| Module Type | All black monofacial rooftop module |
| Cell Technology | Monocrystalline PERC, multi busbar, gallium doped wafers |
| Number of Cells | 108 half cut cells (6 x 18 layout) |
| Maximum Power (Pmax, STC) | 420 Wp |
| Module Efficiency (STC) | 21.51 % |
| Power Range Series | 410 Wp to 420 Wp module series |
| Open Circuit Voltage Voc (STC) | 37.58 V |
| Voltage at Maximum Power Vmpp (STC) | 31.8 V |
| Short Circuit Current Isc (STC) | 14.1 A |
| Current at Maximum Power Impp (STC) | 13.21 A |
| Maximum Power (Pmax, NMOT) | 318 Wp at NMOT |
| Open Circuit Voltage Voc (NMOT) | 35.5 V |
| Voltage at Maximum Power Vmpp (NMOT) | 30.07 V |
| Short Circuit Current Isc (NMOT) | 11.28 A |
| Current at Maximum Power Impp (NMOT) | 10.59 A |
| Power Tolerance | 0 to +3 % positive tolerance only |
| Nominal Module Operating Temperature (NMOT) | 45 ± 2 °C |
| Operating Temperature Range | -40 °C to +85 °C |
| Temperature Coefficient of Pmax | -0.335 % per °C |
| Temperature Coefficient of Voc | -0.265 % per °C |
| Temperature Coefficient of Isc | +0.045 % per °C |
| Maximum System Voltage | 1500 V DC (IEC) |
| Maximum Series Fuse Rating | 25 A |
| Product Warranty | 12 years limited product warranty |
| Power Warranty | 25 year linear power warranty to 84.8 % |
| First Year Degradation | ≤ 2 % in the first year |
| Annual Degradation After Year One | ≤ 0.55 % per year from year two onward |
| Panel Dimensions (H x W x D) | 1722 x 1134 x 30 mm |
| Panel Weight | 21 kg |
| Glass Type and Thickness | 3.2 mm coated tempered glass, single glass construction |
| Frame Type | Black anodized aluminium alloy frame |
| Junction Box | IP68 rated junction box with 3 bypass diodes |
| Connector Type | MC4 EVO2 or MC4 compatible connectors |
| Output Cables | 4 mm² (IEC) / 12 AWG (UL), 300 mm length or customized |
| Packaging Configuration | 36 pieces per pallet, 936 pieces per 40’ container |
Certifications: IEC 61215, IEC 61730, IEC 61701 salt mist corrosion test, IEC 62716 ammonia corrosion test, IEC 60068 dust and sand test, ISO 9001:2015, ISO 14001:2015, ISO 45001:2018.
Inverter Compatibility: Designed for use with most modern string inverters, hybrid inverters, and optimizers rated for 1500V DC systems.
Environmental: Single glass design qualified for harsh outdoor environments, including coastal, agricultural, and dusty locations when installed per guidelines.
Warranty: 12 year limited product warranty plus 25 year linear performance warranty, with first year degradation ≤ 2 percent and annual degradation thereafter ≤ 0.55 percent, ending at 84.8 percent of initial power.
● Available | Contact us for lead time and pricing
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