Perma Charge has a permanent super fast attack speed. Ability increases the lethality even more.
~ BTD6 description

Perma Charge is the final upgrade in Path 2 for the Boomerang Monkey in BTD6. It buffs the tower to attack permanently with the stats of Turbo Charge's activated ability but with an additional +2 damage, alongside a new activated ability that increases damage by +8 for 15 seconds. The cooldown is also decreased from 45 seconds to 40 seconds. Additionally, there is a special interaction with Red Hot Rangs that grants +4 damage instead of +1 damage, giving the 0-5-2 crosspath with 8 damage per boomerang instead of 4.

It costs $29,750 on Easy, $35,000 on Medium, $37,800 on Hard, and $42,000 on Impoppable.



Perma Charge is a very good tower due to the recent buff making it a very powerful ability. Combined with Monkey Intelligence Bureau and Overclock, it creates a force to be reckoned with. Freeplay does not offer it much because it does not have any status properties and is not strong enough. It can certainly be harder to use than some other towers due to its status as an ability, synergy with another ability, Overclock, and unique projectile movement, but is certainly not an option to look over. If given a MIB, it can solo Round 95 on Logs.


  • On most occasions, it is better to get a 2-5-0 Perma Charge rather than a 0-5-2 Perma Charge, due to how Glaives provides both extra pierce and attack speed, both of which help immensely with tightly packed groups and rushes. This generally outweighs the extra damage at a lesser attack speed with little pierce.
    • However, it's worth noting that the damage bonus from the Red Hot Rangs crosspath is increased from +1 to +4, which means each Perma Charge boomerang will deal up to 8 damage each. This essentially doubles the damage of the base attack and makes the tower better against smaller groups of tough bloons, such as ZOMGs and BADs.
  • Perma Charge should be placed around a loop where the arced boomerangs can optimize its attacks.
  • Perma Charge is much better than Archmage against ceramics, but is slightly worse than Archmage at dealing with MOAB-class bloons. However, Perma Charge also comes with an ability that essentially quadruples the damage of the Perma Charge for 15 seconds.
  • It is often worth to get a Primary Mentoring Village (4xx Village) and a Call to Arms Village (x4x) for the Perma Charge. Primary Mentoring will help reduce the ability cooldown and increase its range, and also give it +1 pierce from the Primary Training benefit.

Update HistoryEdit


Buff Ability now has increased damage (+4 → +8).


Buff Cooldown reduced (45 seconds → 40 seconds)

  • Buff Perma Charge ability speed multiplier increased from x5 to x7
  • Buff Perma Charge base damage increased from 2 to 4
  • Buff Perma Charge with Red Hot Rangs now (correctly) deals +1 damage to bloons.
  • Buff 052 Red Hot Rangs bonus to Permacharge increased from +1 to +4. This increases the base 052 Boomerang damage from 5 to 8.
  • Buff 250 Perma Charge should (correctly) no longer lose its bonus +1 damage to MOABs





  • There was once a bug where Perma Charge with Red Hot Rangs after Version 7.0 did not deal +1 damage. This was discovered most notably in Version 11.0, but was likely present since the Version 7.0 Red Hot Rangs damage buff. In Version 12.0, Perma Charge with Red Hot Rangs now correctly deals +1 damage to bloons.
    • The lack of +1 damage buff to the earlier Turbo Charge with Red Hot Rangs still exists as a bug, which means it only deals 2 damage instead of 3.
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