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Posted: **Sun Jul 04, 2021 12:51 am**

I've made a custom lab which works on "battery" type fuel. Charged batteries become used batteries in this process. The problem I'm having is that inserters don't take out used batteries. They take out science packs, as with normal labs, but they refuse to take out used batteries even when it's the only thing left in the lab. Here is the relevant part of lab setup:

Code: Select all

energy_source = {
      burnt_inventory_size = 2,
      effectivity = 1,
      fuel_category = "battery",
      fuel_inventory_size = 2,
      type = "burner"
    },

Posted: **Sun Jul 04, 2021 8:48 am**

https://mods.factorio.com/mod/BurntExtractor

Posted: **Sun Jul 04, 2021 9:59 am**

Thanks. I see this is known problem and not a misconfiguration on my part.

Rseding91 wrote: ↑
Wed Dec 27, 2017 3:36 pm
This is a limitation of how inserters work at the moment. They can only ever extract items from 1 inventory which means you simply can't use the burnt-result system with any entity that produces items otherwise.

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How to make inserters take out used fuel

How to make inserters take out used fuel

Re: How to make inserters take out used fuel

Re: How to make inserters take out used fuel