Solar power system for automatic gate openers. Solar power is a great alternative to mains power when mains power is not easily accessible. Ideal for farmlands. During the daytime with the sun light solar panel produces electric current. This electric current then uses to charge the batteries through a controller. Power supply to gate opener is also regulated through the controller. If the battery voltage down to 10V or so, system completely cut-off power feed to the gate opener. Maximum Current is 30Amp.