The Energy Transfer Module is an upgrade in Metroid Prime 2: Echoes. It is used by Samus Aran to transfer planetary energy from Dark Aether to Light Aether. It is used to retrieve the Light of Aether from Dark Aether, the latter which is destroyed when the planetary energy is removed. The Luminoth created the device in the hopes of using it to recover their missing energy from Dark Aether, only to have the Ing steal it from them and use it to take almost all of Aether's planetary energy.

Samus must defeat the Dark Alpha Splinter in order to obtain the Energy Transfer Module. The upgrade appears as a glowing ball of blue-white energy that floats in the center of the Temple Sanctuary. When Samus reaches out to obtain this upgrade, it darts around the room before entering her suit, and is not recognized by her systems. U-Mos explains what it is and states that the Ing have taken the device before her arrival and taken most of Aether's planetary energy, implying that they were positioned in the Great Temple to complete their takeover when Samus stepped in. This item also renders Samus immune to any form of Ing-possession for the entire duration of her mission on Aether, as the Energy Transfer Module's core produces a constant supply of light energy within her, thus repelling any Ing who attempt to possess Samus.

Official data

In-game notifications

"System Alert. Unknown item acquired.
Alien technology has bonded to armor systems.
Threat scan complete. No negative impact on suit performance."

Inventory data

Metroid Prime 2: Dark Echoes Q&A

QUESTION: How come Samus doesn’t get possessed by the Ing? And are there no Metroids?

ANSWER: The Energy Transfer Module Samus received from the Ing protects her. And there are Metroids![1]

Trivia

• The sound clip that plays after the Energy Transfer Module is bonded to Samus differs between the North American/PAL GCN and Japanese GCN versions of the game. This change carries over into the Wii versions.
• When Warrior Ing transform into their gaseous form and throw themselves at Samus in an attempt to possess her, they will be unable to enter her suit and simply remain on its surface in a liquid form. However, Samus will receive damage for the duration of the time her suit is covered in the Ing. Moments later, the Ing will remove itself from her.
• When Samus acquires the Energy Transfer Module, it does not immediately appear in her Inventory. It only appears after U-Mos speaks to Samus. This may be because of its initial unrecognized status.
• Initially, the Energy Transfer Module is referred to as an Unknown Item by Samus's suit, similar to the Gravity Suit, Plasma Beam, and Space Jump in Metroid: Zero Mission. The scan calls it an Unknown Technology.
• From a gameplay perspective, the Energy Transfer Module is useless. If the player skips it thanks to speedrun techniques, the lights from the temples can still be absorbed and transferred to Light Aether. Samus will also not be possessed by any Ing if the item is skipped.
• After taking planetary energy from Dark Aether, the area's sky will take on an orange/crimson hue from the original purple. This is most noticeable in the Dark Agon Wastes, though it does not occur in the Sky Temple Grounds.
  • Additionally, after taking an area's energy, it has been noted that the amount of Ing will increase drastically, and they will become much more aggressive. This is likely an effort by the Ing to prevent Samus from returning the planetary energy to Aether.
• Samus discovers the Energy Transfer Module after defeating the Alpha Splinter in the Great Temple. If the chronology of the Ing’s attacking of Aether is similar to Samus’s throughout her journey, it can be safely assumed that had Samus not intervened, the Ing were very soon to conduct their final assault on the Great Temple and recover the last portion of Aether’s planetary energy.

Gallery

In-game model.

Metroid Prime: Episode of Aether