Once they are used up, it is no longer possible to use the alien blaster again. The cells obtained from the captain are the only alien power cells in the game. The alien captain will drop up to around 222 alien power cells along with the alien blaster. These are only obtainable if the Wild Wasteland trait is active (if Wild Wasteland is not active, hostile mercenaries with the unique YCS/186 Gauss rifle will be there instead). Represented in groups from 11-25 by a small cylindrical battery-like object, alien power cells are light blue and luminescent, easily identifiable from other ammunition types. This alien ammunition type is used with the alien blaster. The alien power cell is a type of ammunition in Fallout: New Vegas. The use of images to illustrate articles concerning the subject of the images in question is believed to qualify as fair use under United States copyright law, as such display does not significantly impede the right of the copyright holder to sell the copyrighted material. All trademarks and registered trademarks present in the image are proprietary to Game publisher. Meaning that you can get back the harpoon you just. Plus, compared to similar weapons in Fallout 4, the ammo is much lighter and retrievable. This is a fair trade-off since the harpoons of this weapon are significantly cheaper than other ammo types. This image comes from Fallout Mod or from websites created and owned by Game publisher or Game developer, who hold the copyright of Fallout Mod. The frustrating part is its magazine size which contains only 1 harpoon before having to reload.

Fallout new vegas ammo types