Model Number | REC400AA Pure |
STC Rating | 400 |
PTC Rating | 381 |
Open Circuit Voltage (V) | 48.8 |
Short Circuit Current (A) | 10.25 |
Frame Color | Black |
Power Tolerance | 0/+5 Watts |
Weight (lbs) | 45 |
Length (in) | 71.7 |
Width (in) | 40 |
Height (in) | 1.2 |
We carry complete residential REC solar systems.
Perfect for the solar contractor or handy homeowner.
Solar Electric Supply, Inc. is an
REC Authorized Supplier.
REC Alpha Pure REC400AA Pure 400W Solar Panel
SKU REC400AA-Pure
REC Alpha Pure REC400AA Pure 400W Solar Panel
This is the REC Alpha; REC's latest multiple award-winning family of trailblazing solar panels, empowering you to take full advantage of solar energy. Packing in cutting-edge technologies to deliver higher power density, stunning aesthetics, and minimal environmental impact – all with the renowned reliability of REC – REC Alpha is the solar panel of choice for home solar. How does REC do it and what does it mean for you?
Heterojunction (HJT) cell technology
- No LID = no power loss; you get the power you pay for
Leading temperature coefficient means more energy as temperature rises - Higher power for greater savings and accelerated return on investment
- With high power density (watts/m²), REC Alpha panels generate more energy from the same area, getting more from limited spaces
- REC Alpha Series delivers around 20% more power on your roof compared to conventional panels

REC Alpha Pure Series: lead free + higher power density
- REC Alpha Pure Series variant offers next-level power and greater environmental impact
- Innovative gapless cell layout uses the entire panel surface to generate power
- Highly impressive power density of 219 watts/m², with panel power reaching 405 Wp
- Lead-free* for less environmental impact
- Lead removed from all panel components, including cell connections, cross connectors and junction box soldering
- Seamless appearance, lead-free construction, and high power make it a compelling solar panel for rooftops
* ROHS compliant
REC Alpha Pure REC400AA Pure Solar Panel Benefits
The REC Alpha Pure Series unites leading cell technologies in a hybrid design to create a revolutionary, powerful and reliable solar panel:
- High power density maximizes energy generation from limited spaces - up to 20.3 W/ft²
- Advanced cell structure for high efficiency performance
- More power than conventional panels
- More savings from your roof


Contact us toll-free: (877) 297-0014
for latest low wholesale price & expert Alpha Pure solar panel assistance.
SUPER STRONG FRAME
Support bars protect cells and glass from bending under load
Allows extreme loads up to 7000 Pa Panels maintain high performance levels over the installation lifetime 30 mm (1.2") frame height makes panel easier to handle
Frame design allows optimized transportation: more panels/pallet = more panels/container = fewer trucks on the road = more savings
REC400AA Pure Certifications IEC 61215:2016, IEC 61730:2016, UL 61730 |
PREMIUM WARRANTY 25 year product warranty* 25 year performance warranty 25 year labor warranty* |
Quantity REC Solar Alpha Pure wholesale solar panel discounts & complete systems available.
Contact us toll-free: (877) 297-0014
Contractor Discounts Available
Contact us for sales, quantity discounts and expert reviews for the REC400AA Pure solar panel.