A flat car battery is one of the most common reasons a vehicle won’t start. You turn the key or press the start button, but instead of the engine firing up, you hear a clicking sound.
The good news is that a flat battery doesn’t always mean you need a new one. In many cases, a simple jump start can get you moving again. However, if your battery is old, damaged or no longer holding a charge, a car battery replacement may be the better solution.
So, how do you know whether your car needs a jump start or a new battery?
In this guide, we compare battery replacement vs jump starting, explain the warning signs to look for and show how on-demand roadside assistance without a membership can help when your car won’t start.
Jump Start vs Battery Replacement: What’s the Difference?
Both services can help when you’re dealing with a dead or flat car battery, but they solve different problems.
A jump start provides enough external electrical power to start your vehicle. Once the engine is running, the vehicle’s charging system can begin recharging the battery.
Alternatively, a battery replacement removes the existing battery and installs a new one. This is necessary if your battery has reached the end of its useful life, or can no longer reliably hold a charge.
The important question isn’t just “Is my battery flat?” It’s best to consider why your battery went flat in the first place.
When Is a Jump Start Enough?
A jump start is all you need if your battery has been temporarily drained and is still in reasonable condition.
Common causes of a temporarily flat battery include:
- Leaving headlights or interior lights on
- Leaving accessories or electronics running while the engine is off
- A vehicle sitting unused for an extended period, such as a 2 week holiday
- Cold weather affecting battery performance
- Accidentally leaving a door or boot slightly open
- Making repeated short trips without giving the battery sufficient opportunity to recharge
If your battery is relatively healthy and the flat battery was caused by an isolated incident, jump starting the car should get you back on the road without needing a replacement.
After a successful jump start, it’s worth keeping an eye on the vehicle. If your car struggles to start again soon afterwards, there may be an underlying issue or your battery may be on the way out.
Signs Your Car Battery Needs Replacing
Sometimes a jump start is only a temporary fix.
A battery that is deteriorating may work after a jump start but fail again the next morning or the next time you turn off the engine.
Signs you may need a car battery replacement include:
- The battery repeatedly goes flat
- Your engine is becoming slower to crank
- You regularly need a jump start
- Dashboard or interior lights appear unusually dim
- Your battery is several years old. Note that batteries often have an expected life.
- There is visible swelling, leaking or corrosion around the battery
- The vehicle starts after a jump but soon has the same problem again
If you are experiencing repeated flat battery problems, simply jump starting the vehicle each time may be delaying the inevitable.
Replacing a failing battery can provide greater reliability. It also saves you time by reducing the chance of being stranded again.
Why Does My Car Battery Keep Going Flat?
If your car battery keeps going flat, don’t automatically assume the battery is the only problem. There can be several causes.
Repeated flat batteries can be caused by an electrical component drawing power while the vehicle is switched off, problems with the charging system, loose or corroded battery connections and other electrical faults.
When you request on demand roadside assistance via Road Angels, a qualified technician can check your battery health. Based on the voltage and usage patterns, they can advise if a jump start will be sufficient or a battery replacement.
What If the Car Still Won’t Start After a Jump Start?
A flat battery is a common reason for a car not starting, but it isn’t the only one.
If your vehicle won’t start after a jump-start, the problem could be related to your starter motor, alternator, electrical system, fuel system or another vehicle component.
In this situation, repeatedly attempting to jump start the vehicle is unlikely to solve the underlying issue.
This is where professional roadside assistance is particularly beneficial. A Road Angels technician can assess the situation and determine the next steps.
Can You Get Roadside Assistance Without a Membership?
Yes. You don’t necessarily need to pay an annual roadside assistance subscription just so you have someone to call when your battery goes flat.
Road Angels provides on-demand roadside assistance without membership, allowing motorists to request help when they actually need it.
Instead of paying an ongoing membership fee, you can request roadside assistance for problems such as a flat car battery or car that won’t start when they happen.
This approach is particularly useful for motorists who rarely experience breakdowns and don’t want another annual subscription.
How Can I Avoid a Flat Car Battery?
While battery problems can’t always be prevented, a few simple habits can reduce your chances of getting stranded.
Make sure headlights and interior lights are switched off when you leave the vehicle, particularly in cars that don’t automatically turn them off. If you don’t drive regularly, taking the vehicle for an appropriate drive periodically can also help maintain battery charge.
Pay attention to changes in how quickly your engine starts. A car that begins cranking slower than usual may be giving you a warning sign.
If your battery has gone flat several times, don’t ignore it. Repeated failures are a practical reason to have your battery checked.
Have a flat battery and need roadside assistance now? Get help from Road Angels now >