Before you jump into a Vulture try a Viper with turrets on the small hard points, they compensate for the lower agility of the ship, two small pulse wont drain the weapon cap and it'll fire all four energy weapons for 10 seconds or so.
http://coriolis.io/outfit/viper/03A3A3A2D3A3D2C1b1b19190404-40-24.Iw1+kA==.CwBhrSs4g===?bn=Viper LR
http://coriolis.io/outfit/viper/03A3A3A2D3A3D2C1b1b19190404-40-24.Iw1+kA==.CwBhrSs4g===?bn=Viper LR