2016 Dodge 2500Diesel

Nice truck my father gave me been good for last few years but it.wemt dead one.few months ago out no weren. I replaced the battery it was fine for couple.hours and than the battery went dead again I'm not to sure why but I'm moving end of the month out of province and want it gone by than it will start right up with a boost.but slowly dies after you take the cabels off . You can text Charles at (587) 872-7859