Q: Why does my new battery keep dying?

asked by on November 03, 2016

Older car that still runs well,but only gets driven every other weekend. So I don't understand why five months after buying new battery it is completely dead. Took battery to parts store for recharge and said battery wouldn't hold charge. Some electrical doesn't work or has been deleted. Radio was stolen have not replaced yet. Alarm will go off maybe one or two times every few days if someone's engine is too loud. But if battery is new and car doesn't move for two weeks how can battery be dead?

My car has 75000 miles.
My car has a manual transmission.

Hi there:

Some of the top reasons why your battery won’t hold a charge are listed in your question. If the radio was stolen, and not repaired or replaced, it’s possible that you’ve got a slow electrical current being drained from those wires that are not completing the circuit. Also, if your alarm or other accessories are active without starting the vehicle to engage the alternator, this can also draw cranking amps from the battery. It’s always a good idea to start your vehicle for a few minutes once per week at least if it’s not in use frequently; to avoid this type of issue. The problem may also be caused by a malfunctioning alternator that needs to be replaced.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Water leaking inside roof top by driver side, by rearview mirror and above passenger visor.. Only when rains no sunroof. 97 Mazda

Hi there. If your vehicle is equipped with a soft top or it's a convertible then the seal that connects the top to the cab front base may be split or has a tear in it. Remove the top cover...

Lights not working

Hi there. If the engine is starting and running then the battery should be fine. Typically if everything else in the vehicle is working then the battery is not the problem. If you have an entire section of lighting that...

1990 Ford F-150 4x4 truck was started then died went back to start it again an got no dash lights an truck does nothing

If you lost all electrical power then you may have a problem with ignition switch or the charging system failed. If you can get a jump start and it starts and runs then check charging system. If jumping it does...

Related articles

Can a Car Battery Overheat in Hot Weather?
Hot weather can cause battery fluid to evaporate and make it hard to start your car. Battery overcharging decreases the lifespan of your battery.
How to Deal With a Car Battery For Long-Term Storage
If If you store your car for the winter, or for other long periods, it’s important to make sure that your car battery is properly cared for. Long term car storage can wreak havoc on your battery. Isn't it okay...
10 Biggest Car-Related Headaches and What to Do About Them
You You don’t want to, but if you're a car owner it's inevitable that at some point you will experience car troubles. It's also fairly certain that the machine you rely on will cause you grief when you least expect...