# Battery - Stage 3 (technology) internal name `battery-mk03` · tier 6 (pY science pack 3, [tier 6](https://factorio.kalzumeus.com/tier/6.md)) HTML page: https://factorio.kalzumeus.com/tech/battery-mk03/ ## Cost 1750 units of (1 × [pY science pack 3](https://factorio.kalzumeus.com/item/py-science-pack-3.md), 2 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 3 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 6 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 10 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 20 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 180 s each. ## Requires (2) - [Kmauts](https://factorio.kalzumeus.com/tech/kmauts.md) - [Lithium Niobate](https://factorio.kalzumeus.com/tech/lithium-niobate.md) ## Leads to (1) - [Machine Components - Stage 3](https://factorio.kalzumeus.com/tech/machine-components-mk03.md) ## Unlocks (1 recipes) ### Bio battery (`biobattery`) - 10 s · tier 6 · productivity modules allowed - Ingredients: 6 × [Lithium niobate](https://factorio.kalzumeus.com/item/lithium-niobate.md), 15 × [Plastic bar](https://factorio.kalzumeus.com/item/plastic-bar.md), 2 × [Nanofibrils](https://factorio.kalzumeus.com/item/nanofibrils.md), 3 × [Cobalt chromium alloy](https://factorio.kalzumeus.com/item/crco-alloy.md), 10 × [Glass fibers](https://factorio.kalzumeus.com/item/glass-fiber.md), 100 × [Alien bacteria](https://factorio.kalzumeus.com/fluid/bacteria-1.md), 5 × [Ceramic](https://factorio.kalzumeus.com/item/ceramic.md), 10 × [Neodymium magnet](https://factorio.kalzumeus.com/item/re-magnet.md), 5 × [Nylon](https://factorio.kalzumeus.com/item/nylon.md), 1 × [Mechanical Parts 02](https://factorio.kalzumeus.com/item/mechanical-parts-02.md) - Results: 5 × [Bio battery](https://factorio.kalzumeus.com/item/biobattery.md) - Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04 - Unlocked by: [Battery - Stage 3](https://factorio.kalzumeus.com/tech/battery-mk03.md)