Solar cell module and subassembly and system thereof

The utility model relates to a solar cell module and subassembly and system thereof. The utility model discloses a solar cell module, including solar cell?module and backplate, inlayed metal electric conduction plate on the backplate, solar cell?module includes NULL's of each other P type solar cell base member and N type solar cell base member, the negative electrode and the positive electrode of N type solar cell base member front surface of P type solar cell base member front surface are connected, solar cell?module sets up on metal electric conduction plate. Its technological effect is: the utility model discloses a solar cell module need not to use and welds the area connection, has practiced thrift material equipment cost, silver -colored main grid and vice bars that the wire can replace prior art to use have not only reduced positive shading loss but also have reduced the use cost who contains silver -colored thick liquids, the utility model discloses can practice thrift general 50% the silver -colored