Charged Penny is an unlockable trinket in The Binding of Isaac, added in the Repentance DLC.

Picking up coins has a chance to add one charge to Isaac's active item.

The chance is based on the coin's worth:
• Penny: 17% chance.
• Double Penny: 33% chance.
• Nickel: 83% chance.
• Dime: 99% chance.

This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this trinket for the previous Repentance version, check this page instead.

Get an item payout from Battery Bums 5 times.

Charged Penny can be found in the following item pools:

The following special synergies and interactions for Charged Penny have been documented.

* 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.

Charged Penny

• Chance to add 1 charge to Isaac's active item when picking up coins
• Golden Trinket (without Mom's Box): Chance to add 2 charges to Isaac's active item when picking up coins
• Mom's Box: Chance to add 2 charges to Isaac's active item when picking up coins
• Mom's Box + Golden Trinket: Chance to add 3 charges to Isaac's active item when picking up coins
• Penny: 17%, Double Penny: 33%, Nickel: 83%, Dime: 99%

• Check out the trinket description on the external Isaac Wiki.