The utility model discloses an external power supply equipment carries out cigar lighter of igniteing, including casing and electronic ignition subassembly, the casing includes shell body and interior casing, interior casing slides and sets up in the shell body, including the electronic ignition subassembly sets up in the casing, the one end of interior casing is equipped with power source, be equipped with the through -hole that lets power source stretch out the casing on the shell body, be equipped with the slider on the interior casing, be equipped with logical groove on the shell body, the slider reveals logical groove and along leading to the groove setting of sliding, be equipped with cigarette lighter side by side with the slider on the interior casing, the interior casing slip of slider drive makes cigarette lighter expose the setting in leading to the groove and power source stretches out the shell body setting. Can know through above -mentioned scheme, power source external power supply equipment, like cell -phone, the treasured that charges, its not external power supply can not ignite, consequently do not belong to inflammables, conveniently carry and board a plane, when sliding block, cigarette lighter exposes and stretches out with power source for the point cigarette is more convenient.