Not familiar with any rechargeable coin cells. USB-C charging port would also be bad. Keys get dropped in water all the time. Sealed outer case means not really an issue for the occasional light coat of water. USB-C port would allow water in.I'm wondering why many haven't gone to rechargeable batteries. It could even be something like a rechargeable coin cell so that it can be replaced cheaply. Put in a USB-C charging port on the outside.
Mine go bad all the time after 4-6 months. I usually get a set of 10-20 on eBay. Probably worse having it in the car because the proximity to the car means it's probably always talking to the car burning out the battery faster.My '21 Toyota venza flashed a dashboard warning that FOB battery was low after 5 months. I had two spares in glove box. I expected to get more than 5 months.
I turned the spare Fob off to hopefully preserve the battery by holding the lock button and pressing unlock button twice.
Wow, my '18 Santa Fe is still on original batteries in both remotes.My '21 Toyota venza flashed a dashboard warning that FOB battery was low after 5 months. I had two spares in glove box. I expected to get more than 5 months.
I turned the spare Fob off to hopefully preserve the battery by holding the lock button and pressing unlock button twice.
I had a 2013 Ford Fusion that I finally traded in in 2019 that was on the original batteries in the remotes. And it was my daily driver.Wow, my '18 Santa Fe is still on original batteries in both remotes.
So is my '18 Transit 250 work van, although I switch which one of the 2 fob keys I have regularly (one in the pocket, one on the key ring). Helps that Ford only uses the battery for power locks & panic mode, the RFC chip handles the starting.Wow, my '18 Santa Fe is still on original batteries in both remotes.
Have to renew plates on car every two years. I just replace all key fob batteries at the same time and never have to worry about it. Preventative maintenance.Or just change the battery every 2 years or so. They are cheap.