Honda Key Fob Battery is an independent guide for drivers who want the right coin cell and a careful way to change it. We are not Honda Motor Co., Ltd., not a dealer, and not a locksmith. We do not sell fobs, and we do not take payment to rank one battery brand above another.
The advice on this site comes from the battery codes printed on the cells Honda has used, from the way the common shells actually open, and from the faults that show up after a swap: a reversed cell, the wrong thickness, a cracked hook, a fob stored beside the car. Where a year or a market used more than one remote, the pages say so and send you back to the stamp in your own fob.
Model names are trademarks of their owners. They appear here so the right driver can find the right shell. Nothing on the site is an official repair procedure, and a damaged shell or a lost fob can still be a job for a dealer or an automotive locksmith.