
APRIL 4 2026 STOCK UPDATE: OUT OF STOCK - CONTACT US FOR AVAILABILITY OR OTHER COMPATIBLE MODULES TO REPLACE THIS MODEL IN YOUR SYSTEM
405W JA Solar JAM54S31-405/MR monocrystalline solar module
Model JAM54S31-405/MR
Max Power 405 Watts
Panel Efficency 20.7%
Open Circuit Voltage 37.23 V
Short Circuit Current 13.87 Amps
Voltage at Pmax (Vmp) 31.21V
Max Power Amps (Impp) 12.98 Amps
Dimensions 1722 mm x 1134 mm x 30 mm - 67.78 in x 45 in x 1.17in
Weight 21,5kg (46.8lb)
TEXT MESSAGE US (number at top) FOR CURRENT AVAILABILITY OF SOLAR MODULES IN REAL-TIME - WE WILL ALSO BE IN TOUCH IMMEDIATELY AFTER AN ORDER IS PLACED
FREE PICKUP IN STORE
See contact page for ADDRESS & HOURS. Place your order with local pickup selected and we’ll contact you via CALL/TEXT for your pickup appointment.DIRECT DELIVERY is available for solar modules within CALIFORNIA and adjacent states. Contact us for more details or see THIS PAGE for active delivery rates. We deliver ourselves to ensure no damage in transit that occurs in typical mail and freight carriers!.
For delivery OUTSIDE of CA/OR/NV/AZ need to ship freight. The cost of this is $650-$1,000 for up to 10 panels. CONTACT US for more details
STANDARD CARRIER SHIPPING (UPS/FedEx) is NOT available unless a solar module is below 95 inches of LENGTH + HEIGHT. This will not disqualify all typical residential models; it would apply for RV style modules < 275 watts.
PARTS SALES
Returns accepted in store or office within 5 days with restocking fee of 10%. Item must be in same condition as sold.Items returned after 5 days and less than 30 days subject to 20% restocking fee.
Ask us about more flexible trade-back options.
WARRANTY INFORMATION:
18 Month guarantee on Pre-Owned solar modulesAll modern solar panels are designed for 25 years of production from manufacturer.New solar modules have industry standard 25 year warranty.