In terms of power output it is best to separate solar panels into two categories.
Are all solar panels the same size.
Every solar panel is made up of individual solar photovoltaic pv cells.
The size almost always corresponds with the cell count.
Mc4 connectors are single contact electrical connectors commonly used for connecting solar panels the mc in mc4 stands for the manufacturer multi contact now stäubli electrical connectors and the 4 for the 4 mm diameter contact pin mc4s allow strings of panels to be easily constructed by pushing the connectors from adjacent panels together by hand but require a tool to disconnect them to.
Most solar panels are sized from about 17 square feet to 23 square feet and weigh anywhere from 40 pounds to 50 or so pounds.
60 cell panels are smaller while 72 cell panels are the larger size for commercial and industrial uses.
60 cell solar panels are typically 5 4 feet tall by about 3 25 feet wide and have a power output in standard test conditions of between 270 watts to 300 watts depending on the exact efficiency of the cells in them.
Typical residential solar panel dimensions today are about 65 inches by 39 inches or 5 4 feet by 3 25 feet with some variation among manufacturers.
The power output size not all solar panels are the same.
Sunpower panels are 61 3 inches by 41 2 inches.
60 cell solar panels and 72 cell solar panels.
Sunpower 96 cell panels are about the same size as other manufacturers 60 cell designs.
Pv cells come in a standard size of 156 mm by 156 mm which is approximately 6 inches long and 6 inches wide.
This doesn t mean that monocrystalline and polycrystalline solar panels aren t physically the same size in fact both types of solar panels tend to come with 60 silicon cells each with 72 or 96 cell variants usually for large scale installations.