9 Volt
ItemRebirthUnlocked
passiveGame ID 116★★★★
How do you unlock 9 Volt?
Verified starting unlockSource data confirms that no unlock is required.
Reduces the charge of any activated item by 1. Any 1 charge items instead have timed recharges.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking 9 Volt leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13