Plus, you can even activate this skill while airborne. Also by adding Ability Efficiency Mods, you can decrease the energy drain. Ability Range Mods can increase the charge distance and the impact radius of this skill.
But it’s important to take note that the charge speed isn’t affected by speed or Ability Duration Mods. Rhino’s Charge damage can be increased by using Mods that boost Ability Strength. The question now is, how to mod Rhino? He can become immune to any damage, can buff himself defensively and offensively, and he has good crowd control capabilities. Rhino is the best starting Warframe after Excalibur because of how beefy and versatile he is.
After selecting your starting Warframe and going through some missions, your next goal should be getting Rhino.