Energy Bank is an unlockable machine in The Bimbing of AIsaac, a mod for The Binding of Isaac.

Spawns with 0-4 charge.
Spawns with 6-12 max capacity. (not represented visually)

If charged beyond its capacity, explodes.

On Touch
If Isaac has an active item that has some charge, drains 1 charge and adds it to Energy Bank.

If Isaac has an active item that has no charge, uses Energy bank's charge to charge it.

When Explodes
• 40% to spawn a random Battery Bum item.
• Otherwise, spawns 1-2 Bulbs (the charge-sucking enemy).

When destroyed
• Spawns several random pickups.

Has a 5% chance to replace any Battery Bum.
Spawns naturally in some rooms.
Gets replaced with Micro Battery if not unlocked.

Defeat Mega Satan as Tainted AIsaac.

• Download The Bimbing of AIsaac from the Steam Workshop.