Direct current power source anti-thunder box circuit

The utility model discloses a direct current power source anti-thunder box circuit comprising an anti-thunder circuit and an alarm circuit, wherein the anti-thunder circuit and the alarm circuit are arranged on a circuit board of a direct current power source, the anti-thunder circuit comprises a number of anti-thunder modules which are connected in parallel between a power source input end and a power source output end, the anti-thunder modules are directly interconnected with each other, the alarm circuit comprises a third electric resistor which is connected with high potentials of an anti-electricity module output end and the power source input end, and the third electric resistor is orderly connected with a second diode and an LED green lamp. The LED green lamp is orderly connected with a second electric resistor, a first diode an a first electric resistor, wherein the first electric resistor is connected with a low potential of the power source output end. An LED red lamp connected with the LED green la