Endfield Guide to Stable LC Wuling Battery Automation
This guide teaches a complete, practical, and automated method to produce LC Wuling Batteries (1600 Power) in Arknights: Endfield reliably and continuously. The aim is to give you a blueprint and operational plan that you can build in a single session and leave running unattended for long stretches. You’ll learn how to balance the two required input chains, how to lay out a compact production cluster, how to tune buffers and throughput, and how to scale safely. Throughout the guide I use clear, actionable language and highlight key terms like Wuling Battery, 1600 Power, Packaging Unit, and Thermal Bank so you can spot the most important parts at a glance. This is a completely original walkthrough reworded and expanded into a full, hands‑on manual you can follow step by step.
Why automation matters for LC Wuling Batteries
Producing LC Wuling Batteries manually is slow and fragile: you must constantly feed multiple production nodes and react to shortages. Automation removes that friction. A well‑designed auto‑farm converts raw ores into finished batteries with minimal player intervention, maximizes uptime for your Thermal Banks, and frees you to pursue other in‑game goals. The 1600 Power rating on each battery makes them a high‑value output; automating them yields a steady stream of power that compounds over time. The core challenge is balancing two distinct input chains so the Packaging Unit never starves or overflows.
The two input chains explained
The farm depends on two material streams that converge at the Packaging Unit. One stream produces Dense Originium Powder (or the equivalent processed Originium material required by the Packaging Unit). The other stream produces Xiranite components (or the specific Xiranite‑derived part the recipe needs). Each chain has its own processing cadence and bottlenecks. If one chain outpaces the other, materials pile up and the Packaging Unit sits idle; if one chain lags, the Packaging Unit starves and throughput collapses. The automation strategy is therefore about matching sustained throughput rather than maximizing any single machine.
Component roles and priorities
Shredders (or equivalent ore processors) convert raw ore into powders. Refiners or chemical processors convert Xiranite ore into the component the Packaging Unit consumes. The Packaging Unit is the final assembler that consumes both inputs and outputs the LC Wuling Battery. Thermal Banks are the immediate consumers of the battery output; placing them directly after the Packaging Unit ensures batteries are removed from the belt quickly and prevents output congestion. Prioritize upgrades and placement in this order: (1) Shredder/ore processor speed, (2) Refiner throughput, (3) Packaging Unit reliability, (4) buffer capacity and belt speed. This order minimizes the chance of a single upstream bottleneck crippling the whole farm.
Compact blueprint concept
Design a compact cluster where the two input chains feed into a single Packaging Unit with short belts and small buffers. The cluster should be L‑shaped: one arm for Originium processing, one arm for Xiranite processing, and the Packaging Unit at the corner where they meet. Place Thermal Banks immediately to the Packaging Unit’s output side so batteries are consumed without long travel. Keep conveyors short and avoid unnecessary splitters near the Packaging Unit. Short belts reduce travel time and lower the chance of congestion at junctions. Reserve a small area adjacent to the cluster for a spare Shredder and a spare Refiner so you can add redundancy quickly if you scale.
Exact unit counts for a baseline single‑cluster farm
For a reliable single‑cluster auto‑farm that you can build in minutes and expect to run unattended, use the following baseline counts: one Packaging Unit configured for LC Wuling Batteries, two Shredders (one primary, one spare or parallel), two Refiners (one primary, one spare or parallel), three short buffers (one on each input line and one on the Packaging Unit input), and two Thermal Banks on the output. This configuration balances throughput and redundancy: the second Shredder or Refiner can be activated if you notice starvation or if you want to increase output. Expect a well‑tuned single cluster to produce roughly six batteries per minute under normal conditions; that equates to 9,600 Power every ten minutes when Thermal Banks consume them immediately.
Layout and tile placement principles
Place Shredders and Refiners as close as possible to their ore sources to minimize belt length. Keep the Packaging Unit at the intersection of the two chains and orient its input ports toward the incoming belts. Use short, single‑direction belts into the Packaging Unit and avoid crossing belts directly in front of it. Thermal Banks should be placed so they accept output from the Packaging Unit without forcing the output belt to loop or cross other lines. If your map forces longer travel, add a small buffer chest or loop near the Packaging Unit to decouple production spikes from travel delays.
Buffering strategy and why it matters
Buffers are the shock absorbers of your farm. Small buffers of 3–6 item capacity placed between stages absorb production spikes and prevent upstream machines from stalling when downstream nodes temporarily slow. Place one buffer on each input line close to the Packaging Unit and one buffer on the Packaging Unit’s output if Thermal Banks are not immediately adjacent. Buffers let you leave the farm unattended for longer because they smooth short interruptions like inventory caps or momentary belt congestion. Avoid oversized buffers that hide chronic imbalances; if a buffer constantly fills, it’s a sign you need to rebalance throughput or add capacity.
Balancing throughput without micromanagement
To balance the two chains, measure the average production rate of each upstream machine over a 5–10 minute test run. If the Originium chain produces more than the Xiranite chain, add a parallel Refiner or slow the Originium chain by adding a small delay (a longer belt or a low‑capacity buffer). If Xiranite outpaces Originium, add a second Shredder or increase shredder speed. The goal is to match sustained outputs, not instantaneous peaks. Once balanced, the Packaging Unit will run at near‑constant utilization and the farm will be stable.
Minimizing belt congestion and splitter pitfalls
Splitters are useful for scaling but are also common sources of congestion. Use splitters only after you have stable single‑cluster performance. When you add splitters, place them upstream of buffers and keep splitter outputs feeding separate Packaging Units or separate input buffers rather than merging them back into a single narrow belt. Avoid placing splitters directly in front of the Packaging Unit; they create contention and increase the chance of stalls. If you must merge lines, use a short buffer chest at the merge point to decouple timing.
Redundancy and fault tolerance
Design the farm so no single machine failure stops production. Duplicate critical nodes: keep a spare Shredder and Refiner on standby and leave space to add a second Packaging Unit. If a machine breaks or is temporarily disabled by an update or event, the spare can be brought online quickly. Use two Thermal Banks rather than one so output consumption continues if one bank reaches a temporary cap. Redundancy increases build cost but dramatically improves unattended uptime.
Scaling the farm safely
When you need more batteries, duplicate the entire cluster rather than trying to push a single cluster beyond its balanced throughput. Duplicating clusters keeps each cluster balanced and reduces the complexity of rebalancing. If you must scale a single cluster, add parallel Shredders and Refiners in matched pairs and add a second Packaging Unit with its own input buffers. Monitor the combined output for belt congestion and add additional output lanes or Thermal Banks as needed.
Upgrade priorities and resource allocation
Spend resources on the machines that increase sustained throughput first. Upgrading Shredders and Refiners yields more consistent gains than upgrading the Packaging Unit alone. Upgrading belt speed and buffer capacity is also high value because it reduces travel delays and congestion. Only upgrade the Packaging Unit if you have already balanced upstream throughput; otherwise the Packaging Unit will remain underutilized.
Operator and passive bonuses
If the game provides operator skills or passive bonuses that increase processing speed or reduce material consumption, apply them to the machines that are the current bottleneck. For example, if the Xiranite chain is the limiting factor, assign speed buffs to the Refiner. If buffs are limited, prioritize the chain that is most expensive to scale with hardware. Passive bonuses that reduce downtime or increase yield are particularly valuable for long unattended runs.
Monitoring and tuning routine
After building the cluster, run a 10–20 minute test while watching input and output buffers. Look for these signs: constant buffer fill on one chain (indicates imbalance), frequent idle time on the Packaging Unit (indicates starvation), or belt backups at junctions (indicates congestion). Adjust by adding a parallel processor, increasing buffer capacity, or shortening belts. Once the farm runs smoothly for 20 minutes, you can leave it unattended for hours; check back periodically to clear inventory caps or respond to game updates.
Common failure modes and fixes
If the Packaging Unit is idle while buffers are full, the likely cause is a missing secondary component or a recipe mismatch—verify the Packaging Unit’s recipe and ensure both inputs are the correct item types. If belts are jammed, shorten the belt runs and add a buffer chest at the jam point. If one chain’s buffer constantly fills, add a second processor to that chain or throttle it by adding a small delay. If Thermal Banks stop accepting batteries because of an inventory cap, add another Thermal Bank or route excess batteries into a secondary storage or alternate consumer.
Practical build walkthrough
Start by placing the Packaging Unit at the corner of an L‑shaped area. Place two short buffers in front of its input ports. Build the Originium Shredder on one arm and the Xiranite Refiner on the other arm, each feeding into their respective buffers. Connect the buffers to the Packaging Unit with the shortest possible belts. Place two Thermal Banks directly on the Packaging Unit’s output side. Add a spare Shredder and Refiner adjacent to the cluster with short belts so you can quickly connect them if needed. Run a 10–20 minute test, watch buffer levels, and add a second processor to whichever chain lags.
Efficiency tweaks that matter
Small changes often yield big improvements. Move Thermal Banks one tile closer to the Packaging Unit to reduce travel time. Replace long belts with faster belts if available. Use a small loop buffer to allow excess materials to circulate into a secondary Packaging Unit if you expand. Keep splitters away from the Packaging Unit and use them only upstream of buffers. These tweaks reduce latency and increase sustained throughput.
Long‑term maintenance and patch resilience
Game patches sometimes change processing times or recipe costs. Design your farm with easy upgrade paths: leave space for extra processors, keep belts accessible, and avoid permanent structures that block expansion. Periodically test the farm after updates and be ready to add a spare processor or adjust buffer sizes. A modular layout that lets you swap or add machines in minutes is the most resilient.
How to expand into a multi‑cluster farm
When you need significantly more output, replicate the single cluster multiple times and feed each Packaging Unit into its own Thermal Banks or into a shared output lane with a robust buffer system. Use a main output trunk with multiple intake points and a large buffer chest before the Thermal Banks to smooth combined output. Keep clusters physically separated enough to prevent a single belt jam from cascading across the whole farm.
Cost versus benefit analysis
Automation requires upfront investment in machines and belts. The payoff is time saved and consistent power generation. For most players, a single cluster pays for itself quickly in saved manual crafting time and the steady power stream it provides. If you’re resource constrained, build the baseline single cluster first and add redundancy later as resources permit.
Quick checklist before you leave the farm running
Confirm the Packaging Unit recipe, verify both input buffers are receiving the correct items, ensure Thermal Banks are accepting output, check for any belt congestion at junctions, and confirm you have at least one spare Shredder and Refiner ready to connect. Run a 20‑minute test and confirm steady battery output before leaving the farm unattended.
Troubleshooting examples
If the Packaging Unit stops producing and both input buffers are empty, the problem is upstream: check ore supply and Shredder/Refiner status. If one buffer is full and the other empty, add a parallel processor to the empty chain. If belts are backed up at a splitter, move the splitter upstream and add a buffer chest at the merge point. If Thermal Banks are full and batteries pile up, add another Thermal Bank or route excess batteries into storage.
Practical tips for players on limited space
If map space is tight, compress the cluster by stacking processors closer and using vertical belt runs where allowed. Use the smallest possible buffers that still smooth spikes. Prioritize short belts and avoid splitters. If you must choose between a second Packaging Unit and a second Refiner, choose the Refiner first to keep the Packaging Unit fed.
Safety and anti‑waste measures
Prevent waste by ensuring the Packaging Unit’s recipe matches the items your processors produce. Use small buffers to prevent overproduction of expensive inputs. If you have a secondary consumer for batteries, route overflow there rather than letting batteries clog the output belt.
Final checklist for a reliable unattended farm
Packaging Unit recipe verified; two input buffers in place; Shredder and Refiner speeds matched; Thermal Banks adjacent and accepting output; spare Shredder and Refiner available; belts short and free of splitters near the Packaging Unit; 20‑minute test run completed with steady output.
FAQ
Q: What unlocks do I need to build this farm? You must have the AIC node that unlocks Power I and the Thermal Bank structure unlocked so you can craft and consume LC Wuling Batteries.
Q: How many batteries per minute can I expect? A single, balanced cluster typically produces about six LC Wuling Batteries per minute. That number scales roughly linearly with additional identical clusters.
Q: What are the most common causes of failure? The top causes are recipe mismatches, belt congestion at splitters or merges, and imbalanced input chains where one processor outpaces the other.
Q: Can I run this farm while offline or AFK? Yes. Once balanced and buffered, the farm runs unattended for long periods. Check periodically for inventory caps and after game updates.
Q: Should I upgrade the Packaging Unit first? No. Upgrade upstream processors (Shredders and Refiners) first to increase sustained throughput. Upgrading the Packaging Unit before balancing upstream chains yields little benefit.
Q: How do I scale without causing congestion? Duplicate the entire cluster rather than adding many splitters to a single cluster. If you must merge outputs, use large buffers before the merge and keep splitters upstream of buffers.
Q: What if a patch changes processing times? Test the farm after each patch. If processing times change, rebalance by adding parallel processors or adjusting buffer sizes. Keep the layout modular for quick changes.
Options comparison
| Option | Detail level | Build time to create | Best for |
|---|---|---|---|
| Tile‑by‑tile blueprint diagram | Very high; exact placement and orientation | Longer; requires careful layout work | Players who want a ready‑to‑place map |
| Minimal parts list with exact counts and belt types | Precise inventory and logistics | Short; quick to produce and act on | Players who want to gather materials fast |
| Short video script for recording the build | Narrative + shot list; production friendly | Moderate; needs pacing and visuals planned | Creators making a tutorial or showcase |
Recommendation
I suggest starting with the minimal parts list with exact counts and belt types because it gives you everything needed to build immediately and makes the tile‑by‑tile diagram trivial to assemble afterward. The parts list is the fastest way to get your auto farm running, and it reduces wasted trips for missing components. If you plan to share the build, the video script is a natural follow‑up once the farm is tested.
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