9 Volt

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Font TeamMeat 9.png   Font TeamMeat V.pngFont TeamMeat o.pngFont TeamMeat l.pngFont TeamMeat t.png
Item icon
Item altar

Table dividing line 1.png
Character appearance
Table dividing line 2.png
Item Pool Shop.png Shop
Added in AfterbirthGreed mode onlyItem Pool Shop.png Shop
Table dividing line 3.png
Added in Afterbirth (page 1, column 13, line 6)
Removed in Afterbirth (page 2, column 3, line 2)

9 Volt is a passive item.

Effects[edit | edit source]

  • Fully charges the current activated item upon first pickup.
  • If the current activated item has a recharge time of more than 1 bar, then it will grant 1 bar of charge whenever the item is activated.
  • If the current activated item has a recharge time of 1 bar, then it will change the item to have a timed recharge of 15 seconds. The recharging of the item only triggers so long as there are enemies present in the room in any fashion. Empty rooms do not cause recharging to start.
    • An enemy spawned in a cleared room will also cause recharging to start.
  • If the current activated item has a real-world unit-based recharge time, the effect of the 9 Volt may vary.

Interactions[edit | edit source]

  • Sharp Plug Sharp PlugSharp Plug Icon.pngUsing an activated item while it's not charged will charge it and Sharp Plug does 2 full heart damage to Isaac. - Renders the Sharp Plug unusable. Sharp Plug can only be used if the item is at 0 charge, but 9 Volt instantly gives +1 charge to the item upon activation.

Synergies[edit | edit source]

  • AAA Battery AAA BatteryAAA Battery Icon.pngAutomatically recharges the last energy slot of an activated item, effectively reducing recharge rates by one. - Even faster item charging (9 Volt gives 1 extra bar after any item use, while AAA Battery reduces the number of bars required for using the activated item).
    • AAA Battery + The Book of Belial The Book of BelialThe Book of Belial Icon.png3 roomsUpon use increases damage by 2 for the current room and by a further +50% if the character also has the Blood of the Martyr.
      Removed in Afterbirth Guarantees a Devil Room or Angel Room will be open after beating a boss while holding it, or Added in Afterbirth increases the chance by 12.5%.
      or other 3-room charge items - Fills the entire gauge in a single room, effectively granting the opportunity for the item to be used every room (e.g.: in practice, a constant damage bonus from the Book of Belial).
  • The Battery The BatteryThe Battery Icon.pngActivated Items can be "overcharged" to allow for an additional use. - Charges faster and stores an extra level of charge.
  • Added in Afterbirth † The Candle The CandleThe Candle Icon.png4 secondsThrows out a blue flame that can pass over gaps (but not through rocks). The flame damages anything in its path. - The Candle starts at half charge after use.
  • Red Candle Red CandleRed Candle Icon.png4 secondsThrows a persistent flame that deals high damage and diminishes as it damages enemies or blocks shots. - Red Candle recharges quicker than normal.
  • Added in Afterbirth †Brown Nugget Brown NuggetBrown Nugget Icon.png7 secondsSpawns a stationary fly familiar that fires tears at nearby enemies. - Brown Nugget starts at half charge after use.

Notes[edit | edit source]

  • Enemies generated through a slot machine, shell game beggar, or breaking pots/skull will restart the charging process, even though a cleared room still counts as cleared if enemies are spawned in it.

In-game Footage[edit | edit source]

Unlockable achievements[edit | edit source]

Trivia[edit | edit source]

The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth
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