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Thermal Bank is an AIC building in Arknights: Endfield. See how to unlock Thermal Bank, how to use the Thermal Bank, best Fuel to use, all Thermal Bank recipes, the best thermal bank layout, and more!
List of Contents
| AIC Building Information | ||
|---|---|---|
Thermal Bank
|
Tree | Power |
| AIC Tier | Basic II | |
| Node | Power I | |
| Research Cost | 1 Index Pt(s). | |
| Area | 2x2 | |
| Crafting Materials | ||
|
|
||
| Input | Time | Output |
|---|---|---|
|
|
8s | 50 Power |
|
|
40s | 220 Power |
|
|
40s | 420 Power |
|
|
40s | 1100 Power |
The Thermal Bank can convert Originium Ore or batteries into Power, increasing your AIC's total power capacity. As long as the Thermal Bank has access to Originium Ore or batteries, it will continuously provide all of your AICs with power.
Although you will start by powering your Thermal Bank with Originium Ore, it is essential to switch to Batteries as soon as possible to maximize your power output, as batteries have a more efficient Originium-to-power conversion.
For example, to provide 200 Power for 40 seconds using Originium Ore, you will need to burn 20 Originium Ore over four Thermal Banks. Converting the Originium Ore into LC Valley Batteries (10 Originium Ore per Battery) will provide 440 Power for 40 seconds over two Thermal Banks instead.
To be able to build the Thermal Bank, players need to unlock the Power I Node in the AIC Planning Interface. This node can be found as part of the Power Tree, in the Basic II Tier.
The AIC Basic II Tier can be unlocked using the Basic Expansion Core, which you receive by completing the Main Quest Paving the Way.
Once you have unlocked the AIC Basic II Tier, you can then use a Basic AIC Index to unlock the Power I Node. Make sure that the Electricity I and Power Relay Nodes are also unlocked, as these are prerequisites for the Power I Node.
| Thermal Bank Crafting Materials | ||
|---|---|---|
|
|
To craft the Thermal Bank, you will need Origocrust and Amethyst Parts. Origocrust can be crafted by putting Originium Ore through a Refining Unit. Amethyst Parts, on the other hand, are made by putting Amethyst Ore through a Refining Unit to get Amethyst Fiber, which you then feed through a Fitting Unit to get Amethyst Parts.
| Thermal Bank Setup |
|---|
|
|

Additional Thermal Banks will increase your total Power Grid Output, allowing you to place down more AIC facilities. As such, make sure to expand your Thermal Bank setup as you progress the game to ensure that you have enough energy for your facilities.
You will, however, need to make sure that your power source production can support your Thermal Banks, as failure to do so can lead to power fluctuations.

When using a Thermal Bank, you must first decide what power source you will use. You will likely be using Originium Ore when starting, as it is the simplest power source for your Thermal Bank. Once you unlock Packaging Units, you can then swap over to LC Valley Batteries.
If you are using Originium Ore to power your Thermal Bank, it is enough to directly connect your Thermal Bank to a PAC Output Port that outputs Originium Ore. Otherwise, you will need to create a battery production line that automatically crafts batteries for your Thermal Bank.

Above is a sample production line that automates the production of LC Valley Batteries.

Once your power source logistics are laid out, you must then place down your Thermal Bank to start producing power. Make sure that the conveyor belts are feeding into the Thermal Bank.
For the most efficient power generation, it is highly suggested to use 4 Thermal Banks for every output of the PAC. You may either use the manifold layout or the load-balanced layout to feed the batteries into your Thermal Banks.

The easiest layout to make is the manifold, as it will only require a small amount of space and the thermal banks form a straight line. This makes manifolds a easy fit in every factory, especially if you're managing space.
The drawback for this is the required ramp-up time. Since the fuel will come from a single line and will split four times, the farthest Thermal Bank will take a long time to fill. To bypass this, fill the farthest two thermal banks with fuel to kickstart the manifold quicker.

The most efficient layout to make on the other hand is the load balanced layout. This ensures that all Thermal Banks are always working at the same time, eliminating the need for any ramping up.
The drawback for this layout is mostly the space, as it is marginally bigger than the Manifold. It is also a lot harder to fit these in factories, especially if you're managing space.

| Valley IV Progression | ||
|---|---|---|
| Early Game Guide | Mid Game Guide | Late Game Guide |
| Wuling Progression | ||
| Starter Factory in Wuling | ||
| All Facility Types | |
|---|---|
| Resourcing | Logistics |
| Processing | Power |
| Combat | Exploration |
| AIC Buildings List | ||
|---|---|---|
Relay Tower
|
Electric Pylon
|
Thermal Bank
|
Depot Loader
|
Depot Unloader
|
|
Thermal Bank (Generator) Layouts and How to Use

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