50W photovoltaic model. $77 per panel

The BP 450J is an advanced 50W photovoltaic module that addresses the needs of rural electrification, from remote homes that do not have access to the utility grid, to remote industrial applications such as telemetry and instrumentation systems. This product offers improved efficiency through the use of advanced polycrystalline cells with SiN coating and a 12V nominal output, making it ideal for battery charging applications. It has proven performance at high temperatures and its robust design makes the product durable in the field and easy to install.


  • Rated power (Pmax) 50W
  • Universal frame with an accessible junction box
  • Nominal voltage 12V


Electrical Characteristics BP 450J
Rated power (Pmax) 50W
Voltage at Pmax (Vmp) 17.5V
Current at Pmax (Imp) 2.90A
Module efficiency 11.1%
Short-circuit current (Isc) 3.20A
Open-circuit voltage (Voc) 21.8V
Temperature coefficient of Isc 0.105%/ °C
Temperature coefficient of Voc -0.360%/ °C
Temperature coefficient of Pmax -0.45%/ °C
NOCT (Air 20°C; Sun 0.8kW/m2 ; wind 1m/s) 47±2°C
Maximum series fuse rating 8A
Maximum system voltage 50V (ETL rating)
Mechanical Characteristics BP 450J
Dimensions (mm) 839 x 537 x 50mm
Weight (kg) 6 kg / 13.2 lbs.
Frame Clear anodized aluminum alloy type 6063T6: Silver
Solar Cells 72 monocrystalline silicon cut cells
Junction Box IP65 junction box with four terminal screw connection block. Terminals accept 18-14 AWG wire.


Each panel comes with a mounting bracket.

Battery Protection box available at an additional cost. Please call for additional details.