On the surface, car batteries are pretty simple – you plug them in and your car fires up when you turn the key. However, there are loads of myths out there about these handy little electricity bricks. Our friends at DriveTribe have teamed up with Yuasa batteries to put eight of the most popular car battery myths to the test.
- We stock our own Halfords range or high-performance 12v car batteries alongside premium Yuasa car batteries. Every battery we sell comes with our 5-year car battery guarantee. We also stock car battery chargers and charging accessories that will help to maintain the condition of your battery, keeping it working well for longer.
- Did you know that a flat car battery is the most common reason for calling out a breakdown service? This 5 minute video will provide you with a step by step.
Shop battery maintenance: cars get ever more advanced the demands on the car's battery are increasi. Halfords car battery. Condition is used. Halfords HB010 70ah battery. Approximately 1 year old. Works perfect and hold charge as expected.
MYTH 1: I HAVEN'T USED MY CAR MUCH SO MY BATTERY IS FINE
Myth definitely busted. Even if you haven't used your car for a while, its battery is still being drained by your car's alarm and electrical systems. And as batteries are electrochemical devices, they naturally lose charge over time anyway.
All of which means that it's worth getting your battery checked if your car has been sitting around, or only used for short infrequent journeys. Take advantage of the Halfords Free 5-Point Winter Car Check to get an expert opinion on your battery, or upgrade to a £15 10-Point Winter Car Health Check for added peace of mind. We have a number of procedures in place to keep you and our colleagues safe during all of our car checks – you can find out more here.
MYTH 2: LETTING MY CAR IDLE OR DRIVING A SHORT DISTANCE WILL RECHARGE MY BATTERY
This one is also busted – simply because starting your car is the very thing that puts the highest drain on your battery. Fm21 handheld. It takes a lot of power to get a car going, so it's very unlikely that a short drive will put enough charge back into the battery to cover that energy cost.
Most modern cars can charge a battery while they're idle, but it's not a great idea to just let a cold engine idle its way up to temperature while charging. You're much better off using a battery charger, such as these options from Halfords.
MYTH 3: THE BRAND OF A BATTERY MAKES NO DIFFERENCE TO ITS PERFORMANCE
Again, busted. All Yuasa and Halfords batteries will perform to the specifications on their labels, and all conform to European battery performance standards. All Yuasa batteries are also Original Equipment (OE) quality and spec, which means they're fitted by vehicle manufacturers as standard.
The experts at Yuasa have tested some non-OE batteries and found the specifications are sometimes exaggerated and these batteries can lack safety features. So, it's always worth going with a well-known brand.
MYTH 4: THE HEAVIER THE BATTERY, THE BETTER ITS QUALITY
This one is actually true. Lead is the main component of a battery, and on a basic level the more lead you have in a battery, the better it will perform.
Halfords Car Accessories
However, it's not always the case that heavier is better because poor quality batteries have been known to contain concrete to give a misleading impression. You can avoid this risk by always buying a well-known and reputable brand, such as Halfords or Yuasa.
The one situation where the weight = quality rule doesn't apply is with lightweight lithium ion batteries. This cutting-edge technology can now be found in some high-performance production vehicles. Fun fact: Yuasa lithium ion batteries power most of the systems on the International Space Station, where weight-saving is essential.
MYTH 5: PAYING MORE FOR A BATTERY DOES NOT MEAN BETTER PERFORMANCE
Another one that's busted (usually). More expensive batteries tend to have more plates inside and, in basic terms, having more plates gives your battery more energy to start your car. So yes, paying more for a battery does usually mean it'll give better results and last longer.
This is reflected in the starting specification of the Halfords ranges. While a regular budget-friendly battery provides up to 20,000 starts and has a three-year guarantee, the more premium Yuasa Silver 5000 batteries give up to 50,000 starts and have five-year guarantees.
MYTH 6: I CAN FIT A CONVENTIONAL BATTERY TO A CAR THAT HAS START-STOP TECHNOLOGY
Sadly, this is just a myth. If your car has start-stop technology, it'll be fitted with a next-generation lead acid battery. This is because the battery has to crank the engine more frequently as you start and stop in traffic.
Some start-stop cars will have an Enhanced Flooded Battery (EFB), while others will have an Absorbed Glass Mat (AGM) battery. These batteries need to be replaced with one of the same type and spec, or you could run into problems.
If you'd like some expert support with fitting a replacement battery, Halfords is here to help for just £15. Simply book online or pop down to your local store for safe, contactless fitting.
MYTH 7: IF LOOKED AFTER, A BATTERY CAN LAST FOR THE LIFETIME OF A CAR
We'd love this one to be true, but sadly it's not. A battery is a consumable item, just like a brake pad, which means it'll wear with use. And while you can certainly prolong your battery's life with careful charging, testing and maintenance, it will still need to be replaced eventually.
MYTH 8: BATTERIES DISCHARGE FASTER IN WINTER
Myth firmly busted. The natural discharge rate of a battery is actually highest in summer because of the higher temperatures.
So where did this myth come from? Well, a battery will lose 30% of its ability to supply cold cranking amps at 0°C. Also, the act of starting a car engine is much harder on your battery when it's cold (due to the thick, cold engine oil) and that's why you're more likely to struggle to start your car in winter. Batteries also find it harder to accept a charge when it's cold because their internal resistance increases.
Here at Halfords, we offer a range of Halfords, Halfords Advanced and Yuasa batteries. Our online vehicle registration number checker will show suitable options for your car, while you can book a safe and contactless £15 fitting as part of the checkout process. Find out more about how we're keeping customers and colleagues safe here.
The current lockdown means that most of us have spent the last few weeks or so at home, with our cars idling on our driveways. While you might think that the odd trip the local shop is enough to keep your engine turning over, the truth is that a lack of regular use can easily result in a flat battery.
Halfords Car Battery Fitting
As research shows that 1 in 4 batteries would fail a test – and 42% of motorists don't know what to do if they're faced with a flat battery – we thought it would be a good time to look at how you can avoid this situation during Covid-19.
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Why do car batteries go flat?
Simply put, a component called an alternator draws power from a running engine to automatically recharge a car battery. So, if you haven't driven your car for a while then the alternator hasn't had chance to charge up your battery and your engine may not start.
You might be wondering why a battery would go flat in the first place, particularly if it's not being used. Surely it just maintains its charge? Well, batteries naturally lose a small amount of charge whether they're in use or not and higher outside temperatures can make this process worse. In addition, things like your car alarm and any immobilisers also drain the battery, and the more you have of this type of equipment, the quicker it will drain. The age of your car is another factor, with older batteries more vulnerable to lack of use.
Halfords Car Battery Prices
How can I look after my battery?
Running your engine for five minutes a day isn't enough to charge your battery and might make the situation worse, because it takes a large amount of battery power to start your engine. It can actually take at least 30 minutes of driving to charge the battery, depending on the vehicle and battery age, but the current restrictions advise against this type of non-essential travel.
We'd therefore recommend that you use a battery charger every two weeks to keep the charge topped up. If you're concerned about the condition of your car battery, you can also buy a car battery tester to monitor its health. And if your car travel is essential during lockdown, we offer a free battery health check to help keep your car running.
What if my battery is already flat?
The first option is to try to revive it by using a set of jump leads. You'll need a second car to do this and remember that you need to have minimum contact with others, so ideally you'd use another car within your household. If that's not possible and you need to ask someone else, then make sure you always keep a safe distance and only go to these lengths if it's absolutely essential.
Your second option is to use a dedicated jump starter, to provide the essential spark. Batteries can be dangerous bits of kit, so take care and make sure that you read our guide on how to jump-start a car before you get started. This guide shows you how to use jump leads safely, protecting you and your vehicle from the dangers of a short circuit and a potential electric shock. It's crucial because incorrectly jump-starting modern cars with complex electrical systems can cause irreparable damage to your electronic control unit.
Your third option is a car battery charger that will slowly and safely bring your battery back to life.
Mercedes Battery For Sale
What if my battery needs replacing?
Our car battery buyer's guide is a great place to start if you find that you need a new battery. It's packed full of useful information and advice that will help you select the right replacement.
We also have our online battery finder. Simply enter your car registration number and our unique database will tell you the right product for your vehicle. You can then select the product you want, enter your postcode to find the nearest fitting store and book a fitting from £15.
Another option is our Halfords Mobile Expert team, who can come directly to your home and fit your new battery while maintaining a safe distance. Appointments can be booked online, where you can also find full details of about services, coverage and safety procedures.
Whatever you choose, rest assured that we will take your old battery away and recycle it for free with an approved waste disposal company.
At Halfords, we're here to help keep you moving on your essential trips. If you're unsure about the safety of your car, book a free Road Ready Car Check online. We're also operating new safety procedures in store to ensure customers and colleagues stay safe while we stay open.
