From Binding of Isaac: Rebirth Wiki
| Car Battery|
| (Page 3, Column 11, Row 6)
Effect[edit | edit source]
- Causes Isaac's activated item to activate twice on each use.
Synergies[edit | edit source]
- Blank Card / Placebo : Activates the card or pill twice.
- Book of Revelations / Satanic Bible : Isaac gains 2 soul/black hearts.
- Book of Shadows : Active shield lasts for 20 seconds as opposed to 10 seconds.
- Box of Friends : Adds two of each unique familiar.
- Crooked Penny : Gives a 25% chance to quadruple all items and consumables.
- Deck of Cards / Mom's Bottle of Pills : Spawns two pills or cards. The second pill or card is dropped on the floor unless Isaac has Deep Pockets , Little Baggy , Polydactyly or Starter Deck with both slots empty.
- The Gamekid : Increases the duration of the Gamekid effect.
- Glass Cannon : Fires two tears.
- Guppy's Head : Doubles the amount of flies spawned.
- Head of Krampus : Fires two sets of Brimstone beams, each of which has a chance to rotate.
- Monster Manual : Spawns two random familiars. May spawn the same familiar twice.
- The Pinking Shears : Spawns 2 headless bodies.
- Prayer Card : Gives an instant heart container.
- Tammy's Head : Doubles amount of tears fired.
- Unicorn Stump : Increases the duration of invulnerability.
- Void : Doubles effects of all absorbed activated items.
- Yum Heart : Replenishes two red hearts instead of one.
- Wooden Nickel : Increases chance of spawning a coin, and adds possibility of dropping two.
Interactions[edit | edit source]
- ? Card: Only activates the item once.
- The Book of Belial : No effect.
- Book of Secrets : Activates twice, but has a chance to uselessly activate the same effect twice.
- The D6 / D8 / D12 / D20 : Re-rolls twice instantly without any benefits. D6 depletes item pools at double the speed.
- D4 / D100 : 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 : Activates 2 random effects.
- Diplopia : A second car battery has no effect. Using Diplopia with the Car Battery already acquired will not quadruple the contents of the room.
- Glowing Hour Glass : No effect.
- Guppy's Paw : No effect.
- How to Jump : No effect.
- IV Bag : No effect.
- Jar of Flies : No effect.
- Kamikaze! : Doubles wait time between uses without any benefits.
- Mine Crafter : Spawns a barrel and instantly detonates it, damaging Isaac.
- Moving Box : Activation swaps the contents of the box with the contents of the room.
- Mr. ME! : Grabbed items and pickups may become ghostly and impossible to pick up. Leaving the room and returning fixes this.
- Pandora's Box : No effect.
- Potato Peeler : No effect.
- Razor Blade : No effect on hearts depleted, nor on damage gained.
- Red Candle : No effect.
- Ventricle Razor : Places both trapdoors in same location.
Ingame Footage[edit | edit source]
Seeds[edit | edit source]
A188 W1Q8 (First floor shop)
Q1ZZ ETS0 (Starting item as Eden)
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