JA Solar 420W Modules. These are from the LR series of modules from JA Solar’s DeepBlue 3.0 Pro range. Assembled with 11BB PERC cells, the half-cell configuration of the modules offers many advantages including; higher power output All-black finish (S31 modules only) better temperature-dependent performance reduced shading effect on the energy generation lower risk of hot spot enhanced tolerance for mechanical loading. These modules come with JA Solar’s upgraded warranty. This includes a linear output warranty of 25 years at 84.8%, with the product warranty set at 15 years. Note: These modules are 1762mm x 1134mm and a 30mm frame height.
