Old Capacitor is an unlockable trinket in The Binding of Isaac, added in the Repentance DLC.

Prevents active items from charging normally when clearing rooms.

Adds a luck-based chance to spawn a Lil' Battery when clearing a room, alongside the original drop.

The chance to spawn a battery is equal to 20% + 3% × LuckStat, starting at 20% with 0 luck, but maxing out at 33% with 4.34 luck.

The room must drop a clear reward in order for the chance to apply.

This page shows information as of the latest Repentance release.
To see latest up-to date information about this trinket for the new Repentance+ (Online Co-op) DLC, check this page instead.

Kill 10 Battery Bums.

The following tags are applied to this trinket:

The following special synergies and interactions for Old Capacitor have been documented.

* Note that not all possible synergies and interactions are listed here.

• Check out the trinket description on the external Isaac Wiki.