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Message: <blockquote data-quote="ForgedCrank" data-source="post: 716771" data-attributes="member: 45459">I think it also needs to be said that driving 20 miles after a jump is not even close to enough to recharge the battery.These things have all sorts of stuff going on, even when sitting idle. I can go out in the garage at night to get a coke and just walking past the thing triggers all sorts of stuff to start clicking and clacking.Any vehicle with a dead battery needs to be put on a charger ASAP, the load is very hard on the charging system in this state, and it takes a LOT longer to fully charge a battery than most people think. It's best to use a low current charge when possible, like 2A max.Our cars frequently sit idle in the garage for days, sometimes up to a couple of weeks, so I keep them on a battery tender most of the time. It's a PITA, but that is the standard for pretty much all new cars at this point... they are all alive most of the time, slowly draining the battery. After a couple of weeks not driven, the battery will start getting too low for comfort, and it will start causing all sorts of gremlins if the voltage isn't at desired levels.</blockquote>