# Ralesia upgrade (technology)

internal name `ralesia-upgrade` · tier 5 (Chemical science pack, [tier 5](https://factorio.kalzumeus.com/tier/5.md))
HTML page: https://factorio.kalzumeus.com/tech/ralesia-upgrade/

## Cost

900 units of (1 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 2 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 3 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 6 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 10 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md), 2 × [Military science pack](https://factorio.kalzumeus.com/item/military-science-pack.md)), 120 s each.

## Requires (4)

- [Helium processing](https://factorio.kalzumeus.com/tech/helium-processing.md)
- [Military science pack](https://factorio.kalzumeus.com/tech/military-science-pack.md)
- [Ralesia - Stage 2](https://factorio.kalzumeus.com/tech/ralesia-mk02.md)
- [Thermosolar Power - Stage 1](https://factorio.kalzumeus.com/tech/thermal-mk01.md)

## Leads to (0)

- none

## Unlocks (0 recipes)

Other effects: nothing

None.