Car Battery

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Font TeamMeat C.pngFont TeamMeat a.pngFont TeamMeat r.png   Font TeamMeat B.pngFont TeamMeat a.pngFont TeamMeat t.pngFont TeamMeat t.pngFont TeamMeat e.pngFont TeamMeat r.pngFont TeamMeat y.png
Item icon
Item altar
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Character appearance
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Shop Shop
Greed mode only Shop Shop
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(page 3, column 11, row 6)
Added in Afterbirth

Car Battery is a passive item added in Afterbirth.

Effect[edit | edit source]

Synergies[edit | edit source]

  • Blank Card Blank CardCollectible Blank Card icon.png4 roomsHas the same effect as the card or rune currently held by Isaac. + Algiz AlgizAlgiz Icon.pngGrants a shield which lasts for 30 seconds.: Doubles the shield duration to 60 seconds.
  • Added in Afterbirth †Crooked Penny Crooked PennyCollectible Crooked Penny icon.png4 roomsSpawns a penny and has a 50% chance to double all items and pickups in the room. If the effect fails, the items and pickups disappear.: Splits the 50% chance to succeed into a 25% chance to quadruple all items and a 25% chance to duplicate all items while consuming the originals; the latter will make devil deal and shop items free.
  • Guppy's Head Guppy's HeadCollectible Guppy's Head icon.png1 roomsSpawns 2-4 blue flies to damage enemies.: Doubles the amount of flies spawned.
  • The Pinking Shears The Pinking ShearsCollectible The Pinking Shears icon.png6 roomsSeparates Isaac's head and body for the current room. Isaac's head, which now has flight, will be under the player's control, while his body will seek out enemies to attack by contact damage.: Spawns 2 headless bodies.
  • Added in Afterbirth †Void VoidCollectible Void icon.png6 roomsConsumes all pedestal items in the room. Active items will have their effects added to Void, and passive items will grant stat upgrades.: Doubles effects of all absorbed activated items.

Interactions[edit | edit source]

  • Book of Secrets Book of SecretsCollectible Book of Secrets icon.png6 roomsUpon use, gives the effect of Treasure Map, The Compass, or Blue Map for the duration of the current floor.: Activates twice, but has a chance to uselessly activate the same effect twice.
  • The D6 The D6The D6 Icon.png6 roomsAllows Isaac to re-roll collectible items in the current room into other items, depending on the current room's Item Pool./D8 D8Collectible D8 icon.png4 roomsRe-rolls Isaac's speed, range, tears, and damage./D12 D12Collectible D12 icon.png3 roomsRe-rolls all rocks in the current room into other random objects, such as bomb rocks, metal blocks, TNT, or poops./D20 D20Collectible D20 Rebirth icon.png6 roomsRerolls all pickups in the current room.: Re-rolls twice instantly without any benefits. D6 depletes item pools at double the speed.
  • D4 D4Collectible D4 icon.png6 roomsRerolls all of Isaac's items./D100 D100Collectible D100 icon.png6 roomsUpon use, rerolls all passive items on Isaac like the D4, every pedestal item in the room like The D6, and every pickup like the D20.: Instantly re-rolls Isaac's items twice, which doubles the speed at which the item pools are exhausted and transformations are achieved.
  • Dead Sea Scrolls Dead Sea ScrollsCollectible Dead Sea Scrolls icon.png2 roomsTriggers the effect of a random activated item from a list of possible options (not every activated item is included).: Activates 2 random effects.
  • Mine Crafter Mine CrafterCollectible Mine Crafter icon.png1 roomsWhen used, places an explosive TNT barrel that can be pushed and used to destroy rocks or damage enemies. If used a second time in the same room while the previous TNT barrel is still intact, it will remotely explode the TNT.: Spawns a barrel and instantly detonates it, damaging Isaac.
    • Added in Afterbirth † This has been changed to spawn two Barrels instead, which you can detonate at will.
  • Added in Afterbirth †Moving Box Moving BoxCollectible Moving Box icon.png4 roomsIf the box is empty, picks up all items and pickups in a room and stores them. If the box is not empty, places all stored items and pickups in the current room.: Activation swaps the contents of the box with the contents of the room.
  • Ventricle Razor Ventricle RazorCollectible Ventricle Razor Afterbirth icon.pngUnlimitedCan be used to place an orange portal and a blue portal. Upon entering a portal, Isaac is teleported to the other portal.: Places both trapdoors in same location.

No Effect[edit | edit source]

  • ? Card ? CardPickup Q Card icon.pngWhen used, copies the effect of Isaac's currently held activated collectible item.
  • 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%.
  • Diplopia DiplopiaCollectible Diplopia icon.pngOne time useDuplicates all pickups and item pedestals in the room.
  • Glowing Hour Glass Glowing Hour GlassCollectible Glowing Hour Glass icon.png2 roomsWhen used, this item will rewind time, put Isaac back in the previous room, and undo anything that happened in the current room. Any health, pickups, or items gained or lost will be reset back to the previous state.
  • Guppy's Paw Guppy's PawCollectible Guppy's Paw icon.pngUnlimitedRemoves one red heart container in exchange for gaining 3 Soul Hearts.
  • IV Bag IV BagCollectible IV Bag icon.pngUnlimitedUpon activation, Isaac loses a half-heart (one whole heart in The Womb onwards) for a random amount of coins, similar to the blood donation machine.
  • The Jar The JarCollectible The Jar Rebirth icon.pngUnlimitedWhen at full health, up to 4 extra hearts can be stored in the jar.
  • Jar of Flies Jar of FliesCollectible Jar of Flies Afterbirth icon.pngUnlimitedEvery time Isaac kills an enemy, a fly will be added to the jar, up to a maximum of 20. Using the Jar of Flies will release all the flies that are currently in the jar as friendly blue flies that will damage enemies.
  • Kamikaze! Kamikaze!Collectible Kamikaze! icon.pngUnlimitedCreates an explosion in the same area as Isaac, dealing half a heart of damage to him and also damaging all enemies caught in the blast radius.
  • Mega Blast Mega BlastCollectible Mega Blast Afterbirth icon.png12 roomsUpon use, Isaac fires a laser similar to the one used by Mega Satan. This laser deals massive damage, lasts for approximately 15 seconds, and persists between rooms. Isaac is pushed backwards by the force of the laser while it is active.
  • Pandora's Box Pandora's BoxCollectible Pandora's Box icon.pngOne time useUpon use, spawns certain pickups or items depending on the floor it is used on. Single-use.
  • The Poop The PoopCollectible The Poop icon.png1 roomsSpawns a pile of poop where the character is standing and knocks nearby monsters back. May yield pickups like regular poop.
  • Added in Afterbirth †Potato Peeler Potato PeelerCollectible Potato Peeler icon.pngUnlimitedRemoves a heart container, increases damage and range, and grants a Cube of Meat.
  • Razor Blade Razor BladeCollectible Razor Blade icon.pngUnlimitedUpon use, deals one heart of damage to Isaac and grants +1.2 damage for the current room.
  • Red Candle Red CandleCollectible Red Candle icon.png4 secondsThrows a persistent flame that deals high damage and diminishes as it damages enemies or blocks shots.

In-game Footage[edit | edit source]

Unlockable achievements[edit | edit source]

Seeds[edit | edit source]

 PC  A188 W1Q8 (First floor shop)

 Switch  Q1ZZ ETS0 (Starting item as Eden)

Bugs[edit | edit source]

Bug Bug! Added in Afterbirth †Mr. ME! Mr. ME!Collectible Mr. ME! icon.png4 roomsSummons a controllable ghost that can perform various tasks depending on what it targets.: Grabbed items and pickups may become ghostly and impossible to pick up. Leaving the room and returning fixes this.

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