How To Activate Hellbomb Backpack PC | Step by Step Process

To activate the Hellbomb backpack in Helldivers 2 on PC, you need to use the “Use Backpack Function” keybind. Unlock the B‑100 Portable Hellbomb via the Servants of Freedom Warbond and equip it in your backpack slot before missions.

If you’re trying to activate the Portable Hellbomb (B‑100) backpack in Helldivers 2 on PC, here’s how it works—based on reliable sources and player experiences:

How to Activate the Hellbomb Backpack (PC)

1. Equip the Stratagem

• Unlock the B‑100 Portable Hellbomb via the Servants of Freedom Warbond and equip it in your backpack slot before missions.

2. Arm the Hellbomb (Start the 10‑Second Timer)

• Press the “Use Backpack Function”, by default key 5 on PC.

• This initiates the countdown, accompanied by a loud alarm and flashing visual cues.

3. Drop the Hellbomb

• Press and hold the “X” key to bring up the radial “drop item” menu.

• Select the backpack slot to drop the Hellbomb safely.

4. Get Clear Before Detonation

• Once armed, the bomb will explode after 10 seconds no matter what.

• It’s highly recommended to sprint away, take cover, go prone, or use stims to increase your chances of survival.

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What Other Players Say

Community members on Reddit confirm this setup clearly:

• “If you’re on PC, your backpack function button is 5 on the keyboard… Press 5 to activate it and hold X to drop it.”

• “On PC, we hold X to select what we want to drop from a selection wheel. Our Interaction button is E by default and the Backpack Action button is… 5.”

• “Press 5 to use your backpack. Hold [X] to open a radial menu to drop things. Once armed, the portable hellbomb cannot be disarmed.”

Summary Table

Pro Tips

• No abort button—once armed, detonation is inevitable.

• Team awareness is critical; teammates can also arm your backpack or vice versa.

• Plan your exit—use stims, cover, or armor perks like Democracy Protects to increase survival odds.