you have a ground somewhere
Could be the life of the battery has expired or the charging system is faulty or the vehicle has a draw on the system killing the battery when not running. Drive the vehicle to your local auto parts store. They will test the battery and the charging system at no cost. Battery is bad or something is draining it. Most places that sell batteries can check it. With it charged, disconnect it and see if it holds a charge. If it does, something in the car is draining it. Dead cell in the battery or something is on drawing power from the battery.
your alternator ain't charging your battery or a bad connection draining the battery
Dead battery, Alternator not charging, Ignition off draw draining battery,.............
Then either something is on draining the battery or the battery has a dead cell draining all the rest and must be replaced.
could be alternator or charging circuit or could be anything got to do with the battery when its draining out loose connection terminal
Something is on draining your battery overnight. Any light or any relay. It can also be your battery has a dead cell draining it overnight.
As far as my experience is concerned, car batteries lower down either because of lack of battery water or due to not properly charging the battery. Check out whether these problems may not be occurring with your battery or consult with an auto electrician or you can know more about this from the following link. --------- You may want to check that your battery has a load on it, which is to say that something is on and draining your battery. Check to see if the glove box light,trunk light or underhood light is staying on. A simple test is to make sure the battery is fully charged, either by driving the car or charging the battery for a few hours. Then disconnect the battery overnight. If the battery is strong when you re-connect it the next day then the battery is not at fault. You have a "draw" somewhere. In other words - something is draining the battery.
the alternator isn't charging as it shouldthe battery is bad and can't hold a charge any longeryou have an electric fault somewhere which is draining the battery.
you possibly have something draining the battery when the car is shut off, with the car shut off pull the positive cable off the battery and then just touch the cable to the positive post of the battery and see if you get a spark, if you get a spark you have something electrical draining the battery.
Something is on draining the battery or it has a dead cell and needs replacing.
A battery charging pad is something that you can just lay your devices on top of and it charges them without you having to plug them in. They are sold at Wal-Mart.
Either you have a bad battery or you have something draining it down overnight.