AAA Battery

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Trinket icon

Table dividing line 1.png

AAA Battery is a trinket.

Effects[edit | edit source]

  • Automatically recharges the last energy slot of an activated item, effectively reducing recharge rates by one.

Notes[edit | edit source]

  • Has no effect on items with only one bar of charge or those with automatic recharge.
  • Effect stacks with the 9 Volt 9 Volt9 Volt Icon.pngReduces the charge of any Activated Items by 1. Any 1 charge items instead have timed recharges..
  • Does not work with the second level of charge granted by The Battery The BatteryThe Battery Icon.pngActivated Items can be "overcharged" to allow for an additional use..
  • This trinket will only take effect when the item gains its penultimate charge upon completing a room. Recharging an item by taking damage with Habit HabitHabit Icon.pngWhen Isaac is hit, 1 point of an item's charge is filled. will not activate the trinket's effect.
  • It takes effect after Added in AfterbirthWatch Battery Watch BatteryWatch Battery Icon.pngIncreased chance of batteries spawning. Has a chance to add an extra charge to Isaac's activated item upon completing a room. if Watch Battery triggers and gives the item its penultimate charge.
    • Added in Afterbirth † The same applies to the bonus charge from completing a quadruple room or L-shaped room.

Interactions[edit | edit source]

  • Added in Afterbirth †Schoolbag SchoolbagSchoolbag Icon.pngAllows Isaac to hold two active items. - The trinket activates based on the primary item slot, but it grants an extra point of charge to the second item as well. With careful swapping, it is possible to get extra charges this way.

In-game Footage[edit | edit source]

Unlockable Achievements[edit | edit source]

Gallery[edit | edit source]

The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth
MainPageAchievements.png Achievements MainPageAttributes.png Attributes MainPageBosses.png Bosses TarotCard.png Cards and Runes MainPageChallenges.png Challenges MainPageChapters.png Chapters
Isaac App.png Characters MainPageBabies.png Co-op MainPageItems Small.png Items Item Pools Item Pools MainPageMonsters.png Monsters MainPageObjects.png Objects
Red heart.png Pickups BlueBlue.png Pills MainPageRooms.png Rooms MainPageSeeds2.png Seeds Guppy App.png Transformations The Left Hand Icon.png Trinkets