Dead Battery is the first order (01) on page 3 of DMZ Orders in Modern Warfare 4, in the Underground chapter (CH. UNDERGROUND 2/2). It has two tasks. You print a DDOS Field Upgrade at your base, then use it to knock out three enemy vehicles or drones. Printing it is easy. Getting the ingredients home is the hard part.
Quick answer: Exfil with 30 Electronics and 3 Detonators, open the 3D Printer at base, print the DDOS from the Field Upgrades category, then equip it in your Field Upgrade slot (or print it straight to your operator) and set it off near enemy drones or vehicles.
Dead Battery tasks and DDOS recipe cost
The order appears on the FOB orders board as DMZ ORDERS PG 3, under CHAPTER: CH. UNDERGROUND 2/2 (see how the DMZ Orders chapters work). The other two orders on that page are 02 Death From Above and 03 Operation Shopping Hacks. Dead Battery’s two tasks read:
- Print a DDOS Field Upgrade
- Disable 3 Enemy Vehicles or Drones With the DDOS Field Upgrade (0/3)
The board also lists REWARDS FOR PG3: a Basic Restock Kit, an operator rescue reward and a weapon insurance reward.
The DDOS is printed at the 3D Printer at your FOB, under the FIELD UPGRADES category. Its card has PRINT TO OPERATOR, PRINT TO STASH, TRACK RECIPE and INGREDIENT LOCATIONS buttons.
| Ingredient | Amount | Rarity |
|---|---|---|
| Electronics | 30 | — |
| Detonators | 3 | Uncommon |
The printer shows how much of each ingredient is already in your base inventory. A count like 0/3 Detonators tells you exactly what to bring home from your next run. The finished DDOS is a RARE Field Upgrade. Its in-game description says it “activates a device that deactivates electronics, and disrupts enemy sensors in the immediate area for a short time.”
Detonators location in MW4 DMZ
Detonators are the ingredient that holds most players up. Open the Ingredient Locations sub-menu from the recipe and the game gives you a one-line hint. Detonators are “found in military and industrial areas,” so aim your drop at those zones.
The Detonators card lists them as UNCOMMON, worth “3D PRINTER | $200”, and used for Smelling Salts, Artillery Beacon and DDoS. One place they turn up is the BASIC WEAPONS LOCKER in Compound Alpha, a LOW-threat compound. Several compounds sit around Imjin Farmland and its Rice Mill on the Tac Map, so you can check a few in one deployment. Detonators also come from the carriages of the moving train, enemy operators’ backpacks and Commander Colossus’s loot (see weapon manuals and 3D Printer recipes).
Search loot containers and duffel bags in those areas. Supply drops are worth opening too: one at the Russian Border, on the edge of Cheongun Village, gave up a Detonator along with a Frag Grenade and a Sedative Inhaler.
Before you head for exfil, open your backpack and make sure it shows all three Detonators. Leaving with two means another full run.
Detonators can also be printed, under UNCOMMON INGREDIENTS for 20 Electronics and 20 Chemicals, but the recipe stays locked with the note “Print Uncommon Ingredient Printing Upgrade to unlock.” That upgrade sits under the 3D Printer’s UPGRADES (“Unlocks access to higher-rarity crafting materials.”) and costs $50,000 Cash, 20 Biomaterials, 10 High-Tenacity Fibers and 5 Comms Modules. Biomaterials are “Found in hospitals and in chemical lockers.” High-Tenacity Fibers are “Found primarily in the Chang-san Air Base armory, barracks, and the Songdo Wharf La Grande Vie rooftop.”
Electronics location for the DDOS recipe
Electronics are much easier to find. Ordinary residential and commercial buildings are full of them. Clearing houses in Cheongun Outskirts works well. Check every duffel bag, shelf and container inside, and use a vehicle to hop between buildings.
Any spare Electronics already in your base inventory count too. If the printer shows more than 30, you only need to bring Detonators.
How to print and equip the DDOS Field Upgrade
Disabling 3 enemy vehicles or drones with the DDOS
With the DDOS equipped, deploy and set it off close to enemy vehicles or drones. Its pulse shuts down electronics in the immediate area. The task counter tracks progress toward 3, and you can check it on the Dead Battery entry. A hit shows EMPED VEHICLE with an XP popup.
One quick way to find drones: start the story mission OPERATION SILENT LEDGER from Story Missions. It opens in Cheongun Village (LOW) with the objective “Approach the Casino”, and small drones circle high overhead there. Set off the DDOS beneath them.
If one DDOS does not catch three targets, print another and repeat. Progress carries over between deployments: a counter at 2/3 stays at 2/3 on the FOB orders board and on the deployment map. Bringing spare Detonators home on each run saves you a dedicated farming trip.
Both tasks are done once the order shows the print task complete and the counter reads 3/3. Dead Battery is then finished, and you can move on to the rest of the Underground page.
