Re: Does leaving unplugged charger hooked up to battery drain it?

On Wednesday, March 14, 2012 at 5:50:14 PM UTC-7, blowout preventer wrote:
> I store a car through the winter with the negative cable unhooked.
>   This last winter I decided to just hook the charger up to the battery,
> and shut off the power to te building at the fuse box.  That way, when I
> do go into the building now and then, and turn on the breaker, the
> battery will get a shot of charge during that time, keeping it topped
> up.
>   I just went in there and turned on the breaker, and it looked like the
> battery was drawing a surprisingly high amount of amps, almost as much
> as a dead battery would draw.
>   The charger is a decent booster/charger, a Schauer I believe, not
> really a cheapo.
>   Battery's not very old, maybe a 2 year old Die Hard Gold, and I
> suppose the battery could have gone bad.  
>   But is it possible that leaving the charger on the posts all the time
> was giving some continuity between positive and negative terminals,
> drawing it down the whole time?