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Powering Your Defenses

Survival during the Blood Moon in 7 Days to Die (7D2D) requires more than just high walls. Active defenses such as Blade Traps, Electric Fences, and Auto Turrets are essential. To keep these systems operational, you must establish a consistent and reliable electrical grid within your base.

Difficulty

Beginner Friendly

Time

10 Minutes

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Power Sources

Selecting the appropriate power source depends on your available resources and whether you want to maintain a low profile.
  • Fuel: Converts Gasoline into electrical power.
  • Pros: Highly reliable and accessible early in the game.
  • Cons: Generates significant noise and heat, which can attract Screamer zombies to your location.

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Wiring Your Base

To build your electrical grid, you will need to use the Wire Tool.
1

Equip the Wire Tool

Place the Wire Tool in your active hotbar and select it.
2

Connect Source to Device

Right-click your power source (e.g., Solar Bank), then right-click a switch or relay, and finally right-click the specific device you wish to power.
3

Manage Wire Length

Electrical wires have a maximum length of 15 meters. If your base design requires longer connections, use Electric Relays to bridge the distance.

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Monitor Your Load

Each power source has a maximum wattage output. For instance, a Solar Bank equipped with six high-tier cells provides 180W. If your total power draw exceeds this capacity, the entire grid will fail.

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Advanced Power Strategies

A highly effective strategy is to connect a Solar Bank to a Battery Bank, then connect the Battery Bank to your traps. This allows the sun to charge your batteries throughout the day, ensuring you have silent power available all night long.
Save power by using Motion Sensors or Pressure Plates. By only activating your traps when zombies are nearby, you can significantly extend the life of your battery banks and reduce fuel consumption in generators.

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Component Quality

The quality of your Solar Cells and Batteries directly affects the efficiency of your grid. Higher-tier components provide more wattage and higher storage capacity, respectively.

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Need Extra Help?

If you encounter any issues, our support team is ready to assist:

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Last Updated: January 2026 | Electricity: Keeping the lights on in the apocalypse.