Batteries
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This article is about the pickup. For the item, see The Battery. For other uses, see Battery (Disambiguation).
Pickups |
Hearts | Coins | Bombs | Keys | Batteries | Pills | Cards/Runes | Chests | Sacks |
Batteries add charges to Isaac's active item when picked up.
Battery | ID | Image | Charges | Notes | Unlock Method | Probability |
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Lil' Battery | 5.90.1 | Full 6 |
If Isaac has The Battery with no overcharge, only the main charge bar is filled. If the main bar is full, the overcharge is filled. | 32.72% | ||
Micro Battery | 5.90.2 | 2 | 65.45% | |||
Mega Battery | 5.90.3 | Full (x2) | Overcharges Isaac's active item up to two full charges as if The Battery was held. If Isaac has multiple active items, it will charge all of them twice. | 1.00% | ||
Golden Battery | 5.90.4 | 6 | Deals a full heart of damage when picked up. Another golden battery will spawn in a random room, but it is not shown on the map until discovered. | Defeat Mega Satan as Tainted Forgotten | 0.83% |
Notes
- Mega Blast only gains 3 charges per battery.
- Batteries charge only the current active item, if holding multiple.
- If Isaac has an active item in the consumable slot, batteries prefer to charge the active item slot first.
- Holy Mantle and similar effects will block the damage from the Golden Battery, allowing for infinite usage of active items on that floor.
- Golden Batteries can re-appear in undiscovered rooms, including the Secret Room.
- It can re-appear in every previously visited rooms that are displayed on the map, even in the mirrored area where Knife Piece 1 is located, in the abandoned area where Knife Piece 2 is located, or in the Death Certificate path
- It can't appear in any room that is not displayed on the map at anytime, like Crawl Space, Black Market, Downpour entrance, Mines entrance, I AM ERROR room.
- The probabilities in the table refer to the kind of battery that is generated by the game when a battery pickup is spawned with a sub-type of 0 (i.e. a random battery).
- Items / pickups with the D20 effect can reroll batteries, but can't reroll other pickups into batteries.
Unlockable Achievements
- Hairpin - Recharge using Lil' Batteries 20 times.
Bugs
Bug! | If a Golden Battery appears in the Abandoned Area before the Mother's Shadow chase, it will despawn for the floor, as the room configuration is changed when the chase begins. |
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Gallery
Tainted Forgotten Unlocks | |||
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Mega Satan Unlocks | |||
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The Binding of Isaac: Rebirth |
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