Does the HC Valley Battery blueprint code still work?

Its code, "EFO01893u5E3O61AuUI73", is copied exactly from the source's own listing, read on 2026-09-20. Endfield Tools does not publish an expiry for a blueprint code; if the game changes its AIC recipes in a future version, an older code may need rebuilding by hand.

What region is this blueprint for?

Americas/Europe. Codes are region-locked: this one will not import on an account on a different region.

How do I import this code?

Open the Blueprints Menu (F1 on PC) from any AIC Area, choose Import Blueprint, paste the code, confirm the summary, save it, then Place it in your AIC. Full steps are below.

Arknights: Endfield · Power generation (Thermal Bank / batteries)

HC Valley Battery

400 likes on the source, 171,044 views. By snooflo, Americas/Europe, mid game stage.

EFO01893u5E3O61AuUI73

HC Valley Battery, Arknights: Endfield AIC blueprint preview

At a glance

Code	`EFO01893u5E3O61AuUI73`
Author	snooflo
Region	Americas/Europe
Stage	Mid game
Topic	Power generation (Thermal Bank / batteries)
Footprint	Not published
Power	525 kW draw, 0 kW generated
Posted	2026-01-24
Likes / views	400 likes / 171,044 views, read 2026-09-20

Products

6/minHC Valley Battery

Inputs

120/minFerrium Ore
180/minOriginium Ore

Description

Sandleaf requiered, Sandleaf self sufficient, only resources needed are below. Can switch out the Protocol Stash for one or two Thermal Banks for Energy.

Requirements

Endfield Tools does not publish a required tech tier or Authority level for a blueprint. If the game refuses to place this layout, unlock the facilities its buildings need first.

Why this one

The single most-liked plan in the entire pool (400 likes): a pure HC Valley Battery line, the highest tier of Valley power storage. Read 400 likes on 2026-09-20.

How to import this blueprint

01
Open the Blueprints Menu
From any AIC Area, open the Blueprints Menu (F1 on PC).
02
Go to Import Blueprint
In the Blueprints Menu, choose Import Blueprint, in the lower-right of the screen.
03
Paste the code
Paste the code above exactly as shown, with no extra spaces or line breaks.
04
Check the summary and save
Confirm the summary page shows this blueprint, then choose Save to Shared Blueprints.
05
Place it
Open the saved blueprint, choose Place, position it in your AIC, and confirm.

CreditBuilt and shared by snooflo on Endfield Tools, the community Factory Plans library this site’s Blueprints section is picked from. See the full blueprint library for every other pick.