HC Valley Batteries offer the highest energy yield out of all Valley IV battery types in Arknights Endfield, and it's quite profitable too when sold to the locals. However, such value is offset by its relatively complex production chain that requires advanced materials and tons of raw resources. In this Endfield guide, we'll be sharing with you our HC Valley Battery factory design so you can get some inspiration for your own factory.

All Depot Node Locations In Arknights Endfield
All Depot Node Locations In Arknights Endfield (How To Upgrade Storage)

Unlocking the Depot Node will help Endmins increase their local storage in Arknights: Endfield.

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Arknights Endfield HC Valley Battery Blueprint

Due to how wide this build is, we're unable to share just one blueprint for it, so we've split the share codes into two (valid for Asia server): EFO01E50O51e69o563uIa (1/2) & EFO01521429A0auaaeIoe (2/2)

Similar to our Buck Capsule (A) layout, this setup for HC Valley Batteries will also take a significant chunk of your core AIC's main area, albeit the orientation this time will be wider, not longer. For this build, you'll need the following:

  • 19 Bus Unloader Outputs
    • 12 Originium Ore
    • 3 Sandflower
    • 4 Steel Parts

  • 15 Shredding Units
  • 6 Grinding Units
  • 2 Packaging Units
  • 4 Thermal Banks
  • Protocol Storage Stashes for excess materials

You'll want to keep an eye on your Originium and Ferrium Ore yields. HC Valley Batteries require tons of these, and you might end up with a deficit somewhere, leading to complete production shutdown. Sandleaf, on the other hand, is extremely easy to produce.

Thankfully, we'll only need to worry about producing Dense Originium Powder and Steel Parts, since the rest will be baked into the production lines for both of these.

What About Steel Part Production?

Arknights Endfield Steel Production Line AIC version
Arknights Endfield Steel Production Line AIC version
Image via TheBestWarGames; Source: Gryphline

If you still have enough space around your base core or in any of your sub-PACs on Outposts, just copy the layout above so you can fully utilize the three extra output ports provided by the cores. The design is fairly compact, and you'll likely have plenty of space in the middle of your base as well (unless you're using that for Planting Units). The sequence is as follows:

  1. Set 2 Output Ports to Ferrium Ore, then set a third port to Sandflower Powder.
  2. Connect the Ferrium Ore conveyor line to Refining Units.
  3. Connect the Refining Units to Shredding Units.
  4. Connect the Shredding Units and the Sandflower Powder belt to a Grinding Unit.
  5. Connect the Grinding Unit to a new Refining Unit.
  6. Connect the new Refining Unit to a Fitting Unit
  7. Loop the belt back to one of the base core's Input Ports or a Protocol Storage Stash.

Steel Blueprint

Arknights Endfield Steel Production Line
Arknights Endfield Steel Production Line
Image via TheBestWarGames; Source: Gryphline

Share Code (Asia): EFO0101Oa14o2Ei0E179

If you don't have space around your base core, use the diagram above and attach them to your Depot Bus. This will only produce Steel, though, so if you want to make Steel Parts, connect a Refining Unit, Fitting Unit, and stash at the end of the production line.

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Arknights: Endfield
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Action
RPG
Action RPG
Strategy
Base Building
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Systems
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Developer(s)
Hypergryph
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WHERE TO PLAY

DIGITAL
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Publisher(s)
Hypergryph
Multiplayer
Online Multiplayer
Number of Players
Single-player
Genre(s)
Action, RPG, Action RPG, Strategy, Base Building
Platform(s)
Android, iOS, PC, PlayStation 5