[dad911]

Originally Posted by Rot 911

The original batteries are made by Panasonic and have a freakishly long life span. Mine is now 6 years old and my 4Runner has 95K miles on it. Our previous 4 Runner was 8 years old when sold and 130K miles and sold with the original battery.

Battery Life?? - Toyota 4Runner Forum - Largest 4Runner Forum

Maybe buy a jumper pack($50-60), and keep it inside, warm & charged. If you don't need it, surely someone will...