|This article is about the pickup. For the item, see The Battery. For other uses, see Battery (Disambiguation).|
Lil' Battery will fully charge Isaac's activated item upon pickup.
Lil' Battery will recharge 6 bars of Isaac's activated item, but does not overcharge it.
Lil' Battery will only charge the currently held active item. Holding two actives (e.g. with Schoolbag) will not charge both items upon pickup.
A Micro Battery provides two bars of charge for Isaac's held active item when picked up.
A Mega Battery will charge Isaac's activated item twice. It will double charge items with over 6 bars.
A Golden Battery completely recharges Isaac's held item, but also deals a full heart of damage. Another golden battery will spawn in a random room, but it is not shown on the map until discovered.
- Mega Blast only gains 3 charges per battery.
- If Isaac has The Battery and the recharge time for his held item is less than 6, Lil' Battery will overcharge the item for the remaining charges left in the Lil' Battery.
- 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 both Secret Rooms.
|The Binding of Isaac: Rebirth|
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