Lithium button batteries like those on motherboards are non rechargeable. Therefore they are hazardous waste and cost money to dispose of properly. I would be interested in finding a buyer that takes them. I'm sure someday they will figure out a process to make money on them, but as far as I know that hasn't happened yet. Many from this forum are stockpiling until that day. I have a 10 gallon bucket full I would like to sell.