Both solar street lamps and off -grid systems require a solar controller,because the solar charge controller can protect battaries and prevent the battery overcharging or over discharging.Today I'd like to talk about the differents between solar light controller and solar system controller.

       1、solar light controller

The solar light controllers are waterproof because of it's working environment.All lamp controllers must be IP68 waterproof.although the stormy weather it can work incessantly for 24 hours.Solar street lamp controller must also have the function of light control on and off or time control off.

       2、solar system controller

Solar system controllers use for off-grid systems、monitoring and so on.It must be has output for 24 hours.Most system controllers have LCD display, due to some user want to check the working date of solar off-gird systems.