Honda Key Fob Remote Batteries & How to Replace Them

One of the largest car makers in the world, Honda has kept replacing their key fob batteries easy. Most fobs and keys use the same common battery type.

Vehicles

Honda Key Fobs

The Honda line of key fobs. Honda has had just 6 major key fobs over the years. They have two integrated smart keys where the physical key and the fob are one and the same. Then they have 4 smart key fobs that with various buttons allow you to lock/unlock and/or start the car, open the trunk, etc.

1. The Integrated Physical Key with Rectangle Smart Key Buttons

Honda integrated smart key with rectangle buttons. Used in mid 2010's Honda Accord Sedans & other Honda Models.
Honda integrated smart key with rectangle buttons. Used in mid 2010’s Honda Accord Sedans & other Honda models. This is the newer of the two Honda smart keys.

2. The Integrated Physical Key with Rounded Smart Key Buttons

Smart physical key with rounded key buttons. This is the older of the two physical smart keys used by Honda.
This is the battery for the integrated physical key with rounded smat key button Honda key fob:


Buy CR1616 Replacement Battery on Amazon

3. Smart Fob Key with Rounded Case and Rounded buttons

Smart fob with rounded buttons.

4. Smart Fob Rounded on Both Sides of Key

The oldest Honda smart key fob.
The oldest Honda smart key fob. Fully rounded rob on top and bottom.
This is the battery you need to change for the above rounded on both sides of the key fob:


Buy CR2025 Replacement Battery on Amazon

5. Rectangular Button Smart Key Fob – Newest Honda Smart Key

Newest Honda Smart Key Fob
Newest Honda Smart Key Fob.
This is the battery you need to change for the above Honda Smart key:


Buy CR2032 Replacement Battery on Amazon