AE2 Lightning Tech 2.1.0-beta.4 (forge 1.20.1) is a beta file of the Minecraft mod AE2 Lightning Tech for Forge, made for Minecraft 1.20.1. It was published on September 7, 2026 and is 5.4 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the AE2 Lightning Tech mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
