How many mah can a car adapter give?

Question

What is the maximum amount of mah a cigerette lighter ac adapter can supply? For Instance: http://www.bestbuy.com/site/olspage.jsp?id=1077626358357&type=product
One of those

Thanx

Answer 1

Normal cigarette lighter sockets run off a 15 to a 20 (depends on what else shares it, door locks, horn, etc.) Amp fuse so Milli-amps is no problem unless you plan to do some welding.