Car Battery - The Binding of Isaac

▾Table of Contents▾

Car Battery is a passive item in The Binding of Isaac, added in the Afterbirth DLC.

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.

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.

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

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.

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.

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