Looking to boost your solar setup with something efficient and versatile for a home or small commercial project, the Longi Solar 420W bifacial panel from the Hi-MO 6 series (like the LR5-54HTB model) is a great pick that’s all about getting more bang for your buck. This bifacial beauty uses advanced monocrystalline cells to capture light from both sides, so if you’ve got a reflective surface below like a white roof or ground, it can pull in extra energy—up to 20-30% more in optimal spots. At 420W, it’s compact enough for limited space but powerful for daily needs, and the double-glass design makes it super durable against weather, dust, and even hail. Folks in sunny areas like Kenya are using these to cut down on grid dependence, and with Longi’s reputation for low degradation, you’ll be getting reliable power for years. Easy to install with a silver frame, it pairs well with most inverters for grid-tied or off-grid systems, helping you save on bills while keeping things green.
Longi Solar 420W bifacial panel Key Features
- Bifacial Design with Double Glass: Allows light capture from both front and back for increased yields (bifaciality factor ~80%); 2.0mm tempered glass on both sides for enhanced durability and fire resistance.
- High-Efficiency Monocrystalline Cells: Up to 21.5% module efficiency with HPBC tech, excellent low-light performance, and low temperature coefficient for consistent output in hot climates.
- Robust Mechanical Build: Withstands high wind (5400Pa front) and snow loads (2400Pa rear), hail resistant to 25mm, and IP68 junction box for weatherproofing in tough environments.
- Anti-PID and Low Degradation: Minimizes power loss over time, with positive tolerance (0~+3%) for reliable energy production even after years of use.
- Easy Installation and Compatibility: Compact size with anodized aluminum frame, MC4 connectors, and compatibility with standard mounting systems for quick setup.
- Extended Warranties: 15-year product warranty and 25-year linear power warranty (down to 88.9% output), ensuring long-term value and peace of mind.
Longi Solar 420W bifacial panel Technical Data Table
| Specification | Value/Details |
|---|---|
| Model | LR5-54HTB-420M (or similar) |
| Cell Type | Monocrystalline HPBC, Bifacial |
| Number of Cells | 108 (half-cut) |
| Maximum Power (Pmax) | 420 W |
| Open Circuit Voltage (Voc) | 38.73 V |
| Short Circuit Current (Isc) | 14.00 A |
| Voltage at Maximum Power (Vmp) | 32.44 V |
| Current at Maximum Power (Imp) | 12.98 A |
| Module Efficiency | 21.5% |
| Bifaciality Factor | 80% |
| Power Tolerance | 0 ~ +3% |
| Temperature Coefficient (Pmax) | -0.29%/°C |
| Temperature Coefficient (Voc) | -0.23%/°C |
| Temperature Coefficient (Isc) | +0.05%/°C |
| Nominal Operating Cell Temp (NOCT) | 45 ± 2°C |
| Operating Temperature | -40°C to +85°C |
| Maximum System Voltage | 1500 V DC |
| Maximum Series Fuse Rating | 25 A |
| Front Static Load | 5400 Pa |
| Rear Static Load | 2400 Pa |
| Hail Resistance | 25 mm at 23 m/s |
| Dimensions (L x W x H) | 1722 mm x 1134 mm x 30 mm |
| Weight | 20.8 kg |
| Frame | Anodized Aluminum Alloy |
| Glass | 2.0 mm + 2.0 mm Dual Tempered AR Coated |
| Junction Box | IP68 Rated, 3 Bypass Diodes |
| Cable Length | 1200 mm |
| Connector | MC4 Compatible |
| Product Warranty | 15 Years |
| Power Warranty | 25 Years (88.9% Output) |
| Certifications | IEC 61215, IEC 61730, UL 61730, CE |
Buy Longi Solar 420W bifacial panel at the best price from SolarShop Africa.
checkout: Longi Solar
;%20tough%202mm%20glass%20on%20each%20side%20for%20better%20durability%20and%20fire%20resistance./li%20listrongHPBC%202.0%20Cell%20Technology/strong:%20Monocrystalline%20cells%20with%20high%20efficiency%20(up%20to%2024.1%),%20low%20degradation,%20and%20better%20performance%20in%20low-light%20or%20hot%20weather—keeps%20producing%20even%20on%20cloudy%20days./li%20listrongHigh%20Power%20Output/strong:%20650W%20rating%20under%20standard%20test%20conditions,%20with%20positive%20tolerance%20(0~+5W)%20for%20reliable%20energy%20production;%20ideal%20for%20large-scale%20or%20space-constrained%20installs./li%20listrongRobust%20Mechanical%20Strength/strong:%20Handles%20front%20loads%20up%20to%205400Pa%20(snow/wind)%20and%20rear%20up%20to%202400Pa;%20hail-resistant%20to%2025mm%20at%2023m/s—built%20to%20last%20in%20harsh%20environments./li%20listrongAnti-Dust%20and%20Easy%20Maintenance/strong:%20Anti-dust%20frame%20design%20reduces%20buildup,%20and%20the%20module's%20IP68%20junction%20box%20keeps%20it%20weatherproof%20for%20minimal%20upkeep./li/ul&media=https://solarshop.co.ke/wp-content/uploads/2025/11/longi-650-watts.webp){kind=link}