solar controller with compititive price and high quality. Features:1 ... long life MOSFET as the main switch device of solar controller3,Adopting the cascade PWM charge main loop,reduced ... charge,and float auto control mode will make the system working longer,meanwhile,the temperature compensate function included.4, ... 5500mDimension140×90×27Mounting hole measurement132.5×70 SWL-05AP solar controller