Battalion's Backup

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Now don't get me wrong, YOU don't need back-up, but please dig deep in that war torn black pea of a heart and feel pity for the rest of your good-for-nothing team. All you need is the Battalion's Backup to give them a helping hand. Just make sure you ain't too busy kicking somebody's ass when they call.
Battalion's Backup publicity blurb

The Battalion's Backup is a community-created secondary weapon for the Soldier. It is a military backpack-mounted radio transceiver, featuring a folded map secured by two brown straps, along with an attached black magnetic compass. Accompanying it is a bronze-colored bugle with a pewter mouthpiece, and a tattered yellow triangular banner, patched up and reattached in the middle, that is displayed when the buff is active.

Essentially the counterpart to the Buff Banner, this weapon aims to support teams defensively, rather than offensively. Similar to the Buff Banner, the player's Rage meter, displayed in the HUD, is filled through dealing damage to other players in a single life; once filled, the pack can be used (playing a short tune that's different on RED than on BLU) to grant all nearby teammates within 450 Hammer units, as well as the player themselves, immunity to critical hits, 35% resistance to regular damage, and a 50% resistance to Sentry Gun damage for 10 seconds. It is possible to delay the release of the effect of the Battalion's Backup after the bugle call, and thereby delaying the buffing effect, by holding down the primary fire key (default key: MOUSE1). Additionally, equipping the Battalion's Backup increases the Soldier's maximum health by 20 points to 220.

The critical damage immunity applies to critical hits and mini-crits for all teammates within the radius, regardless of critical/mini-crit application method. The critical immunity also prevents all increases to knockback normally incurred by a critical hit. The damage resistance stacks multiplicatively with all other damage modifiers, such as Pain Train's hitscan weakness and the Chargin' Targe's explosive resistance.

Damage and function times

See also: Damage
Damage and function times
Effect range 450 Hammer units
Charge fill damage 600
Function times
Effect duration 10 s
Activation time 2.645 s
Values are approximate and determined by community testing.


Main article: Health
Class Health Overheal Quick-Fix Overheal
Leaderboard class soldier.png Soldier 200 300 251
With the Battalion's Backup equipped 220 330 276

Item set

Main article: Item sets
The Tank Buster
Backpack The Tank Buster Bundle.png

Leave a Calling Card on your victims



See also: Crafting


Buff Banner Reclaimed Metal Battalion's Backup
Item icon Buff Banner.png + Item icon Reclaimed Metal.png = Item icon Battalion's Backup.png
Class Token - Soldier Slot Token - Secondary Scrap Metal Possible Results
Item icon Class Token - Soldier.png + Item icon Slot Token - Secondary.png + Item icon Scrap Metal.png =
Item icon Buff Banner.png Item icon Gunboats.png Item icon Battalion's Backup.png Item icon Concheror.png
Item icon Mantreads.png Item icon Reserve Shooter.png Item icon Righteous Bison.png Item icon B.A.S.E. Jumper.png
Item icon Panic Attack.png

As a crafting ingredient

Refined Metal Tank Buster weapon Grenadier's Softcap
Item icon Refined Metal.pngx4 + Item icon Black Box.pngItem icon Battalion's Backup.png = Item icon Grenadier's Softcap.png
Battalion's Backup Scrap Metal Concheror
Item icon Battalion's Backup.png + Item icon Scrap Metal.png = Item icon Concheror.png
Battalion's Backup Reclaimed Metal Righteous Bison
Item icon Battalion's Backup.png + Item icon Reclaimed Metal.png = Item icon Righteous Bison.png

Strange variant

Related achievements

Leaderboard class soldier.png Soldier

The Boostie Boys
The Boostie Boys
Buff 15 teammates with the Buff Banner in a single life.

Mvm navicon.png Mann vs. Machievements

Buff 4 or more teammates as a Soldier at the same time in a single wave.

Update history

September 30, 2010 Patch (Mann-Conomy Update)
  • The Battalion's Backup was added to the game.

October 6, 2010 Patch

  • Soldiers no longer maintain their rage level when changing loadout.
  • The Battalion's Backup no longer gives rage for falling damage.

October 8, 2010 Patch

February 14, 2011 Patch

  • Fixed players getting set bonuses applied on tournament servers when the server is restricting the player's weapons using the item_whitelist.
  • [Undocumented] Fixed players getting set bonuses applied on Medieval maps for items that are not allowed in medieval mode.

March 15, 2011 Patch

  • [Undocumented] The Battalion's Backup was added in the crafting blueprint for the Concheror.

April 14, 2011 Patch (Hatless Update)

  • Reduced rage generation rate by 50%.

June 10, 2011 Patch

  • Fixed a bug that caused players to see the wrong backpacks on some classes.

July 20, 2011 Patch

  • [Undocumented] The Battalion's Backup was added in the crafting blueprint for the Righteous Bison.

October 13, 2011 Patch (Manniversary Update & Sale)

  • The Battalion's Backup now uses the Buff Banner's taunt.

January 11, 2012 Patch

  • Fixed incorrect player animations for the Battalion's Backup.

March 15, 2012 Patch

  • Fixed Soldier buffs and rage meters not always being reset.

July 10, 2013 Patch

  • Changed attributes:
    • Added additional +15% Sentry damage resistance to all teammates while banner effect is active (50% damage reduction while banner is active).
    • Rage is now generated from damage dealt instead of damage received.
    • [Undocumented] Added a shield emblem next to the health bar when under the effects of the Battalion's Backup.

August 27, 2013 Patch

  • [Undocumented] Added Strange quality.

November 12, 2013 Patch

December 20, 2013 Patch

  • Changed attribute:
    • Added +20 max HP passive for the wearer.

July 2, 2015 Patch #1 (Gun Mettle Update)

  • Fixed an issue that caused rocket jumps to be decreased when it was active.

November 9, 2015 Patch

  • Fixed a bug that did not prevent crits while using items like the Battalion's Backup.

November 25, 2015 Patch

  • [Undocumented] Added new sounds for the Battalion's Backup.


  • The damage resistance provided does not actually reduce damage by a flat 35%, rather taking the base damage of the weapon and then applying rampup or falloff.
  • If the player switches to another secondary weapon while the rage is active, the damage reduction buff is deployed until the rage is depleted.
  • If the user switches to another banner, and then touches a Resupply locker, the rage is carried over.
  • The Strange variant of the item can rank up during battles against bots and when sv_cheats is set to 1.


See also