Call 888-876-0007 for lead time & availability
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 K2. All components in stock.
Shop RackingMPPT and PWM charge controllers for off-grid and hybrid solar systems from authorized brands.
Shop ControllersHome standby, portable, and commercial generators. Automatic transfer switches and installation accessories.
Shop GeneratorsHome and commercial EV chargers. 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

420W Power Output | 21.7% Module Efficiency | 132 Half-Cut Heterojunction (HJT) Cells | All-Black Design | 1000V Max System Voltage | MC4 Connectors | 20-Year Product & 25-Year Power Warranty
The REC Solar REC420AA-PURE-2 Alpha Series 420 Watt Module is a premium all-black solar panel built with REC's advanced heterojunction (HJT) cell technology. Featuring 132 half-cut monocrystalline HJT cells on a black backsheet with a black anodized aluminum frame, it combines a sleek, compact design with strong energy density, making it well suited for residential installations where both aesthetics and performance matter. At 420W with 21.7% panel efficiency, it delivers excellent output per square foot of roof space.
The Alpha Pure 2 Series is built with lead-free, gapless cell technology and rated for a module current of 10.74 A, making it compatible with module-level power electronics such as microinverters and power optimizers. Its low temperature coefficient and durable construction help maintain strong performance across a wide range of operating conditions, while REC's warranty coverage adds long-term confidence for system owners.
Wattage: 420W
Panel Efficiency: 21.7%
Cell Technology: 132 Half-Cut Heterojunction (HJT) Monocrystalline Cells
Manufacturer: REC Solar
Warranty: 20-Year Product / 25-Year Performance
| Model | REC420AA-PURE-2 |
| Nominal Power (Pmax) | 420 W |
| Power Tolerance | 0 / +10 W |
| Panel Efficiency | 21.7% |
| Voltage at Max Power (Vmp) | 42.2 V |
| Current at Max Power (Imp) | 9.96 A |
| Open-Circuit Voltage (Voc) | 49.1 V |
| Short-Circuit Current (Isc) | 10.74 A |
| Cell Type | 132 Half-Cut REC Heterojunction (HJT), Lead-Free |
| Dimensions (L × W × H) | 73.4 × 40.9 × 1.2 in (1865 × 1040 × 30 mm) |
| Weight | 47.8 lb (21.7 kg) |
| Frame | Anodized Aluminum, Black |
| Backsheet | Highly Resistant Polymer, Black |
| Junction Box | 3-Part, 3 Bypass Diodes, IP68 Rated |
| Connectors | Stäubli MC4 (12 AWG) |
| Max System Voltage | 1000 V DC |
| Temperature Coefficient (Pmax) | −0.24%/°C |
| Operating Temperature Range | −40°C to +70°C |
| Warranty | 20-Year Product / 25-Year Performance (≥92% Output in Year 25) |
Purchase the REC Solar REC420AA-PURE-2 Alpha Series 420 Watt Module from Portlandia Electric Supply, your authorized dealer. We offer competitive pricing, fast shipping, and expert support to help you get the most from your solar investment.
● Available | Order now and power your future with clean energy!
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.