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Car Battery item
Car Battery is a passive item in The Binding of Isaac, added in the Afterbirth DLC.
Description
Whenever an active item is used, it is activated 2 times at once.
Some active items cannot be used twice. These include one-time-use and throwable active items.
Note
This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this item for the previous Repentance version, check this page instead.
Item pools
Car Battery can be found in the following item pools:
| Name | Weight |
|---|---|
| Shop |
1.0/1.0
|
| Battery Bum |
1.0/1.0
|
| Greed Shop |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| battery | Contributes towards unlocking  Jumper Cables. |
| summonable | Can be summoned via  Lemegeton. |
| offensive | Can appear for  Tainted Lost. |
| nocantrip | Not available as card effects during the Cantripped! challenge. |
Special synergies
The following special synergies and interactions for Car Battery have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Abyss | Spawns an electrical cyan locust that has a chance to chain-zap enemies similar to the effects of  Jacob's Ladder. Zaps deal 0.1 damage. |
* Note that not all possible synergies and interactions are listed here.
Internal item description
Below is the Internal Item Description as shown in-game.
Note that some stat changes are not displayed here. Please see the main description for the full effects.
Car Battery
• Doubles the effects of most active item activations
• Abyss: x1 shocking locust 1.5x Isaac's damage
External links
- Check out the item description on the external Isaac Wiki.
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