Compact 6 Per Minute HC Valley Battery Production Blueprint
Arknights: Endfield Endfield HC Valley Battery 6 Per Minute Full Automation is a complete, hands-on walkthrough for players who want a reliable, compact, and fastest blueprint to produce HC Valley Batteries at the target rate of 6 per minute while maximizing facility utilization and minimizing footprint. This guide assumes you want a production chain that is fully automated, fits within a practical area expansion, and integrates cleanly with depot logistics or Thermal Bank power storage. The build described here is tuned for Valley IV battery production and aims to deliver 1100 Power per battery consistently, with all upstream processes balanced so shredders, grinders, assemblers, and PACs run at or near 100% utilization. The blueprint code used by many community creators is a proven baseline for a 6/min farm and is designed to be the fastest practical layout for players with the required area expansions and depot upgrades.
Overview
This section explains what the farm does, why it matters, and the high-level constraints you must meet before attempting the build. The HC Valley Battery is a top-tier Valley IV battery that provides 1100 Power when slotted into Thermal Banks or used for other power needs. Producing six of these per minute yields a steady stream of high-value power items that can either be stored, consumed, or traded. A fully efficient 6/min chain typically occupies a moderate footprint (roughly a 30×30 tile area in common community blueprints) and requires upstream raw material throughput such as Originium Ore and Ferrium Ore at rates that match the recipe ratios. Several community-tested layouts converge on the same throughput target and differ mainly in compactness, ease of wiring, and whether they produce side products like Sandleaf Powder. If you want direct Thermal Bank charging instead of stash output, the final output node is swapped to feed Thermal Banks rather than a Portable Stash.
Prerequisites and Requirements
Before placing the blueprint, ensure you meet these prerequisites. Minimal upgrades and inputs are necessary to keep the chain stable and avoid bottlenecks.
Area Expansion: At least Area Expansion I; many compact blueprints assume a single expansion slot but some variants require two.
Depot Bus Upgrades: Depot Bus II or equivalent to handle high throughput of raw materials.
Raw Material Rates: Expect to allocate roughly 180/min Originium Ore and 120/min Ferrium Ore to the chain depending on the exact sub-PAC and integrated PAC choices; adjust if your server or region has different recipe multipliers.
Facility Types: Seed-Picking Units (for Sandleaf if used), Shredders, Grinders, Assemblers, PACs, Protocol Storage, Depot Nodes, and optionally Thermal Banks for direct power storage.
Blueprint and Layout Principles
The fastest 6/min HC Valley Battery farms follow a few consistent design principles: ratioed sub-PACs, integrated Sub-PAC or Sub-Assembly clusters, a single-area compact footprint where possible, and a closed-loop or near-closed-loop design that recycles excess byproducts into storage or other production lines. The blueprint code commonly shared by creators (the community blueprint used in many video guides) is a single-area layout that integrates a Sub-PAC for Sandleaf handling and a protocol storage buffer for excess powders. That Sub-PAC is placed so the main assembly chain never starves and the shredders and grinders operate at 100% utilization.
Key layout choices to follow when you copy or adapt a blueprint:
Place input depots and bus unloaders so raw materials enter the chain at consistent rates; avoid long conveyor runs that cross other facility zones.
Use Protocol Storage as a buffer for any excess Sandleaf Powder or intermediate powders; this prevents upstream stalls and gives you a place to siphon off extras for other factories.
Keep PAC outputs and assembler inputs adjacent where possible to minimize travel time and reduce the number of transfer nodes.
If you plan to feed Thermal Banks directly, reserve the final output lane for a Thermal Bank input rather than a Portable Stash; this converts the farm from “stash output” to direct power storage.
Step by Step Placement and Tuning
Start with a clean area expansion and follow these steps in order. The sequence matters because early placement decisions determine whether later facilities can be placed compactly and whether the chain will be balanced.
Place Depot Bus Unloader and Input Nodes: Position the depot bus unloader at the edge of the expansion so Originium Ore and Ferrium Ore flow in without crossing the main assembly area. Set the unloader to the exact rates required by the blueprint (the community blueprint expects specific per-minute rates; match them).
Lay Down Sub-PAC and Seed-Picking Units: Place the Sub-PAC cluster that handles Sandleaf and seed picking. If your blueprint uses Sandleaf as a side input, configure the Seed-Picking Units to output Sandleaf and route their outputs into the Sub-PAC. This step ensures the Sandleaf Powder flow is stable and that the PAC output ports are set correctly.
Install Shredders and Grinders: Place shredders and grinders in the ratio specified by the blueprint. The goal is to keep these running at 100% utilization; if you see idle time, increase input rates or add a small buffer. Grinders should feed directly into assemblers or intermediate storage to avoid travel delays.
Place Assemblers and PACs: Assemblers are the heart of the battery production chain. Place them centrally and ensure their input lanes are short. PACs that produce intermediate powders should be adjacent to assemblers to minimize transfer time.
Add Protocol Storage Buffers: Place protocol storage units where the blueprint indicates; these buffers absorb excess Sandleaf Powder or other byproducts. Configure them to accept overflow and to release only when downstream demand exists.
Final Output Node: Decide whether you want a Portable Stash output or direct Thermal Bank input. For direct power, place Thermal Banks at the output and configure them to accept HC Valley Batteries. If you prefer stash output for trading or manual use, place a Portable Stash.
Fine-Tune Rates and Item Controls: Use item control settings on PACs and Seed-Picking Units to ensure only the intended items are produced and routed. If your blueprint includes optional outputs (like extra Sandleaf Powder), set those ports to the correct item to avoid contamination.
Run a Test and Observe Bottlenecks: Start the factory and watch for idle facilities or backed-up conveyors. Common bottlenecks are depot unloaders not matching the blueprint rates, or protocol storage thresholds set too low. Adjust rates and storage thresholds until all facilities run smoothly.
Optimization Tips for Maximum Speed
To achieve the fastest practical throughput and keep the farm stable under load, apply these optimizations. They are subtle but compound into a much more reliable farm.
Balance Upstream Supply: The most common cause of underperformance is insufficient upstream ore supply. Ensure your depot bus and ore inputs match the blueprint’s required per-minute rates. If you have multiple factories drawing from the same depot, dedicate a bus lane or increase depot capacity.
Use Protocol Storage Strategically: Protocol Storage is not just a buffer; it’s a throttle. Configure it to hold a small reserve so short-term fluctuations don’t starve assemblers. For long-term overflow, route excess to a secondary storage or a different production line.
Minimize Travel Distance: Place assemblers and PACs so that transfer times are minimized. Even a few extra tiles of travel time per item can reduce effective throughput when scaled to six items per minute.
Monitor Facility Utilization: Use the in-game facility utilization readouts to identify underused machines. If a shredder or grinder is below 95% utilization, check upstream inputs and adjust.
Thermal Bank Integration: If your goal is to convert battery output into stored power, feed the final output into Thermal Banks. Each HC Valley Battery adds 1100 Power to a Thermal Bank; four filled banks from a 6/min farm yield a large, immediate power increase when filled. This is an efficient way to convert production into usable power without manual handling.
Compact Variants and Footprint Reduction
If you’re constrained by area expansions, there are compact variants that trade off a little ease of maintenance for a smaller footprint. These variants typically integrate the Sub-PAC into the main assembly area and stack PACs and assemblers more tightly. The trade-offs are slightly more complex item routing and a higher sensitivity to input rate fluctuations. Community blueprints labeled as “Sub-PAC integrated” or “single-area compact” are ideal if you want to fit the farm into a single expansion slot. When using a compact variant, be extra careful with depot bus placement and protocol storage sizing to avoid cascading stalls.
Troubleshooting Common Problems
Even a well-built blueprint can run into issues. Here are the most common problems and how to fix them quickly.
Idle Assemblers: Usually caused by upstream shortages. Check depot bus rates, seed-picking outputs, and protocol storage levels. Increase input rates or add a small buffer.
Backed Up Conveyors: Often the result of misconfigured PAC output ports or wrong item selections. Verify PAC outputs and ensure no unintended items are being routed into the chain.
Protocol Storage Overflow: If protocol storage fills and stops accepting items, the upstream chain will stall. Either increase downstream demand, add a secondary sink for the overflow, or reduce production rates temporarily.
Thermal Bank Not Registering Power: If you feed batteries into Thermal Banks and the power value doesn’t increase, confirm the Thermal Bank accepts HC Valley Batteries and that the output node is correctly configured. Some players accidentally feed the wrong item type into the bank.
Integration With Other Factories
A 6/min HC Valley Battery farm is a high-value node in any factory network. You can integrate it in several ways:
Direct Power Network: Feed batteries into Thermal Banks to increase your base power capacity. This is ideal for players who want to convert production into usable power without manual handling.
Trade and Stash Output: If you prefer to trade or manually use batteries, route the final output to a Portable Stash. This keeps the farm modular and easy to disconnect for maintenance.
Byproduct Use: Excess Sandleaf Powder or other byproducts can be routed to other production lines or sold. Use protocol storage as a junction point to siphon off extras.
Maintenance and Long Term Operation
For long-term, unattended operation, set conservative thresholds on protocol storage and configure depot bus unloaders to maintain a steady supply. Periodically check facility utilization and clear any long-term overflow that might accumulate in protocol storage. If you plan to run multiple farms, stagger their maintenance windows so you can address issues without all farms stalling simultaneously.
Minimal Bullet Checklist
Area Expansion: Confirm required expansions.
Depot Bus: Ensure Depot Bus II or equivalent.
Raw Inputs: Allocate required Originium and Ferrium rates.
Final Output: Decide between Thermal Bank or Portable Stash.
Frequently Asked Questions
How many tiles does a typical 6/min HC Valley Battery farm use Community blueprints for fully efficient 6/min farms commonly occupy a footprint in the ballpark of 30×30 tiles, though compact single-area variants can reduce that slightly at the cost of more complex routing.
Can I feed HC Valley Batteries directly into Thermal Banks Yes. HC Valley Batteries are designed to increase Thermal Bank power capacity; feeding batteries into Thermal Banks converts production directly into stored power. Replace the final Portable Stash with Thermal Bank inputs to convert the farm into a direct power source.
What upstream ore rates do I need Blueprints vary, but a common requirement for a 6/min farm is around 180/min Originium Ore and 120/min Ferrium Ore for the integrated Sub-PAC variants. Always match the blueprint’s specified rates and adjust depot bus allocations accordingly.
What if my assemblers are under 100% utilization Check upstream supply, depot bus rates, and protocol storage buffers. Often the fix is to increase input rates or add a small buffer to smooth short-term fluctuations.
Is there a blueprint code I can copy Yes, community creators often publish blueprint codes for the 6/min HC Valley Battery farm; the blueprint used in many video guides is a reliable starting point and includes a Sub-PAC integrated layout for compactness. Use the blueprint as a baseline and tune rates to your server’s resource availability.
Closing Notes and Final Recommendations
If your goal is a fast, compact, and fully automated HC Valley Battery farm that reliably produces 6 per minute and yields 1100 Power per battery, follow the blueprint placement order, ensure depot and ore rates match the blueprint, and use protocol storage as a buffer. Decide early whether you want direct Thermal Bank integration or stash output; this choice changes the final node placement but not the upstream balancing. For players who want the absolute fastest setup, use the community single-area Sub-PAC integrated blueprints and dedicate depot lanes to the farm so upstream supply never competes with other factories. Regularly monitor facility utilization and protocol storage levels to keep the chain running at peak efficiency. Community-shared blueprints and video guides provide tested codes and layout examples that you can copy and adapt to your own base.
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