Even though most devices and gadgets now use built-in batteries, the best AA batteries are here to stay. You still need them to power your remotes, gaming pads, wall clock, alarm clocks, humidifiers, nightlights, hand watches, and a boatload of other household devices that still rely on good old batteries.

But while critical, a simple search for best AA batteries UK on the internet will have you knee-deep in a ton of batteries from brands you did not even know existed. That is why we took it upon ourselves to help you identify the best. We scoured through the plethora of AA batteries on the internet, picked out the best, and put together a list so your search for the best can be seamless. We also put together some advice, so you not only go home with the best AA batteries but also make a value worthy decision. So, check out this list of the best AA batteries and find which are the best for your unique needs.

Top 10 Best AA Batteries UK 2021

Here are the top 10 best AA batteries in the UK that we have carefully selected for you to choose from.

1. Panasonic Eneloop Pro AA 2500mAh

The eneloop batteries combine the durability of rechargeable batteries with the long storage capacity of regular batteries. But the eneloop pro battery takes it just a tad further. With their higher capacity, they’re perfectly suitable for devices that require more juice. Think flashguns, radio controlled toys and a wide range of household devices. They’re the result of constant innovation and professional testing.

Biggest advantage? The new technology inside the eneloop ensures a consistent power flow, meaning they don’t rapidly lose their voltage while you’re using them. And with that, the eneloop pro batteries greatly outperform their good old alkaline counterparts.

The Best AA Batteries UK 2021
The Best AA Batteries UK 2021

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2. Amazon Basics AA High-Capacity Rechargeable Batteries

One of the best things about AmazonBasics is its high-quality components. Its top safety features provide safe operation for both the device and the user.

Besides, if overworked or used in the wrong way, the short circuit preventive washer (SPW) can protect self-discharging and short-circuiting. Further, it has two small holes to prevent bursting or heat build-up. It is the ideal option for anyone looking for a reliable and safe-to-use battery.

Apart from the high-quality components and huge battery capacity, it can provide a long-lasting shelf life of up to ten years. The battery locks in power and uses the new zinc composition, improved anti-corrosion, and two crimp design to prevent leakages. It is also designed in a well-built liquid-tight seal and a well-built battery’s air to store power, making it an excellent option for anyone looking to use them in an emergency.

The Best AA Batteries UK 2021
The Best AA Batteries UK 2021

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3. Duracell-CopperTop AA Alkaline Batteries

While many modern tech gadgets tout sophisticated charging methods (e.g., using solar power), alkaline batteries remain a staple power source for most electronics. Duracell’s CopperTop AA alkaline battery-pack particularly stands out due to its unique construction and long life.

Since it is an alkaline battery rated at 9V, it provides dependable and long-lasting power for high-draining and low-draining devices, including flashlights, toys, remotes, and smoke detectors. On average, alkaline batteries provide 10 for continuous use.

This means a low power device like a wireless keyboard, trackball, or mouse can use the batteries for nine or more months before needing replacement. However, for a single battery LED flashlight, the battery provides a reasonable 1.5 hours of juice.

On the same note, Duracell is all about upholding the safety of your electronic devices by guaranteeing the batteries against defects in craft and material. As such, if any of your gadgets is damaged due to a battery defect, the company repairs or replaces it. And the good news is that the guarantee extends to ten years.

The Best AA Batteries UK 2021
The Best AA Batteries UK 2021

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4. Energizer Ultimate Lithium

If you’re looking for a battery that can go the distance no matter the drain, look no further than the Energizer Ultimate Lithium. While 33% lighter than the equivalent alkaline battery, each one packs in a whole lot of charge; even after powering our 500 lumens test torch for 90 minutes they could still deliver 1.48V, keeping it at maximum brightness long after other batteries allowed the light to fade. After a further 90 minutes, we still had nearly 1V on our test meter.

That’s one impressive performance and, with a 20-year storage lifespan and the ability to work in temperatures from -40°C to 60°C, they won’t let you down. Needless to say, you pay for that kind of stamina, with each battery working out at over £1.50.

The Best AA Batteries UK 2021
The Best AA Batteries UK 2021

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5. Energizer Alkaline Power

Most of us don’t buy batteries in advance but grab them when we need them, in which case the Energizer Alkaline Power batteries are ideal for everyday use.

They’re often cheap both in supermarkets and online stores, and you can pick them up for around 40p per battery if you buy in bulk. This might lead you to expect sub-par stamina, but the Energizers could surprise you: they were the top alkaline battery at the 60 and 90 minute marks in our tests, although they struggled further on with the voltage falling to just 0.75V after three hours of use, leaving the torch looking visibly near-drained.

Not your first choice, then, for high-drain devices, but if you’re looking to keep a wide range of gadgets in power, this is a great, cheap way to do so.

The Best AA Batteries UK 2021
The Best AA Batteries UK 2021

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6. Energizer 1-hour Rechargeable AA Charger with 4 AA Batteries

You don’t need many rechargeable batteries if they recharge quickly. With the 1-hour charger from Energizer, you can recharge between one and four AA and AAA batteries in an hour or less, helping you get your gadgets back up and running in no time. The simple to read battery gauge lets you know how far you are from a full charge too, making it easier to predict when they’ll be ready.

Temperature and overcharge protections ensure that you’ll never run into a dangerous battery situation. It also stops charging immediately when the batteries are full, helping maintain the lifespan of your rechargeable batteries

The Best AA Batteries UK 2021
The Best AA Batteries UK 2021

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7. Panasonic AA 2917 Zinc R06R0

Zinc carbon batteries have a long history and are widely used worldwide. It’s a simple and reliable technology that provides economical power in terms of cost per hour for low drain appliances. Thanks to the comprehensive product line-up, there’s always a suitable battery for your needs with an excellent price versus quality ratio. Panasonic Zinc Carbon batteries are a very reliable source of power for devices that consume little energy.

AA 2917 Zinc R06R0 has high energy offers the precise and powerful energy needed in high drain devices. In addition, this battery also has the feature to improve restart performance.

The Best AA Batteries UK 2021
The Best AA Batteries UK 2021

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8. VARTA Power on Demand AA Mignon Batteries

VARTA Power on Demand AA Mignon Batteries fulfills highest quality and performance demands in all areas of modern life. The perfect solution for energy-intensive fields of application like digital cameras, walkie talkies and smoke detectors.

Lithium batteries also work exceptionally well under extreme conditions. VARTA ULTRA Lithium batteries master extremely low temperatures. High-tech devices are supplied with maximum performance and endurance. Up to 38% reduced weight in comparison to alkaline: perfect for sport and outdoor usage.

Ideal for devices such as remote controls, wall clocks, Smart Home devices, television remotes, electronic tools, robots, digital cameras, radio equipment, WiFi controllers, radiator thermostats, light alarm clocks

The Best AA Batteries UK 2021
The Best AA Batteries UK 2021

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9. VARTA Industrial Pro AA Mignon Alkaline Batteries

Rechargeable batteries capable of retaining their charge for a long time are an ideal option for anyone on the go. They’re especially useful if you are planning to use an electronic constantly but don’t want to spend a ton on extra batteries. Rechargeable batteries won’t keep a full charge for eternity, but they’re defintiely useful for not having to buy extra batteries in the short-term.

VARTA Industrial Pro AA Mignon Alkaline is one of the best-selling batteries on Amazon and for a good reason. It can maintain up to 70% of their charge even after ten years of not being used. What’s more, it has no memory effect, which also means that it can be recharged when partially or fully discharged.

Like the majority of Panasonic products, Eneloop is specially designed to last. It features a hard casing capable of withstanding harsh weather conditions. This pack comes with two 1.5 volts AA batteries and can be recharged many times.

The Best AA Batteries UK 2021
The Best AA Batteries UK 2021

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10. Energizer E91BP-4 AA Alkaline 4

The renowned brand is famed for producing long-lasting batteries, and this four-pack alkaline battery lives up to the hype. With a shelf-life of ten years, you are confident the batteries will be operational even after a decade. What’s more, its cardboard package makes it easy to open and store if not using all four batteries.

For many customers, the first question that pops when buying batteries is if they leak. Well, you can trust Energizer’s leakproof construction that keeps the contents in the battery intact for up to two years. Also, the company offers to repair or replace devices damaged by leakage from its alkaline batteries two years after full use of the battery or during their useful life.

Upon testing its performance, this AA four-pack aced the test. When used on a flashlight, toys, and household tools like a wireless keyboard, it lasts twice as long as comparable batteries.

The Best AA Batteries UK 2021
The Best AA Batteries UK 2021

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How to choose the best AA batteries for you

For some purposes – when you’re powering low-drain devices such as a clock or remote control – the differences aren’t that important, but with high-drain devices like a camera, game controller or anything with a lamp, screen or motor, you could see huge differences in lifespan and reliability.

Today’s disposable batteries break down into three basic types:
Zinc chloride: This used to be the general-purpose battery of choice, but alkaline batteries are now so cheap that you don’t often see them. They’re cheap as chips when bought in bulk and fine for low-drain gadgets such as a remote control, but you’ll go through them quickly on anything more demanding.

Alkaline: The mainstream battery technology for high-drain devices. They’re cheap and very easy to find, and last much longer than the old zinc chloride batteries. Technical advances have also seen the major problems – a short shelf life and a propensity to leak – reduced or even fixed.

Lithium: Lithium batteries work even better than alkalines. They last much longer, have an epic shelf life, don’t discharge as much power when not in use and can cope with extreme temperatures. While normal alkaline AAs struggle below 0°C, lithium batteries will operate down to -40°C. They can also be up to 9g lighter than the equivalent alkaline AA battery, which counts when you have something powered by four AAs. The only negative? They’re significantly more expensive.

Generally speaking, you should go for alkalines for most of your battery needs but opt for lithiums for digital cameras or other high-drain products where you need a reliable high charge for as long as possible.

Conclusion

AA batteries are the cream of the crop when it comes to batteries. And although we are in an age where built-in batteries are the modern trend, these batteries are not going anywhere. But as noted, they are not made equal. There several factors to consider when picking which batteries are the best for your unique needs.

The above article is a valuable reference for you to choose a suitable AA battery.

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