How Long Car Key Battery Last. Save Up To 70 On The Same Remotes. This battery will fully get discharged after roughly two to three months.
Modern cars are full of electronics and a key fob is no exception. Just like a 12 volt car battery is 126 volts open voltage no load these little lithium ion batteries also have higher volts than their 30 volt label. Ad We Offer a Wide Variety Of Replacement OEM Fobs and Keys At Discounted Prices.
When the key is in use the computer monitors the output voltage of the fobs battery.
Or 25 amps for 4 hours at 12V and so forth. Once the voltage gets to a certain point the warning. Car key fobs are so convenient that its easy to take them for granted. Similarly you may ask how much does it cost to replace a car key battery.
