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What is the Best AA Flashlight Battery: Be Wise and Choose the Right One

Flashlight batteries come in different brands, sizes, and makes. This article will brief you on what is the good flashlight battery for best single aa flashlight and some useful info.

Introduction

As much as you know a lot of things about the make of your flashlight, you should also know what is the best flashlight battery for it. If you want to squeeze out your flashlight’s capacity to light brighter and longer, you should understand a few things about batteries. This article will not dwell on the best battery products in the market. Rather, it will discuss the basics and what’s the best battery you should have for different situations.

After reading this, you should have the know-how on what battery to use and what battery to choose for emergency good 18650 flashlights, EDC, and so on. Learn more about different types of batteries, their specific uses, and which one lasts longer. Also, you’ll be given some tips on how to extend the life of your battery.

Sizes and Types

If you can see in the market, batteries come in different colors, sizes, and shapes. While the most common sizes are AAA, AA, D, and C cell, you can also find 18650, CR2, and CR123a. These are portable electric storage units that can carry an electric charge as a source of current.

In general, there are more AA flashlights available, because the batteries are sold almost anywhere. However, some people also prefer 18650 batteries because they are rechargeable Li-ion which can be used more than once.

As for the types of batteries, there are five — Lithium, Silver alkaline, Nickel-cadmium, Lead-acid, and Oxy-hydroxide. Most alkaline batteries have 1.5V, while camera batteries have 3.0V. If you want more current, more than 1500, get those with a high discharge rate of 3.7V-4.2V. You’ll get more information on these batteries after you watch this YouTube video:

Rechargeable Batteries

For EDC and your regular flashlights, it’s better to use rechargeables. Again, the most common of which is 18650. They have a higher voltage, at around 3.7V and they last longer. These batteries are about 150% the size of the AA battery and they are thicker.

Though they are more expensive at first, over time, you can save more with rechargeable batteries than cheap disposable batteries. Furthermore, they also have high-discharge, but low self-discharge. This means they are reliable for longer periods, especially in emergencies.

Long-lasting Batteries

If you need some backup batteries that can last for quite some time, have the lithium batteries. They have the lowest self-discharge and they can last up to 10 years. Alkaline, on the other hand, can last up to seven years. So, you can stock these batteries for long without losing their power.

For Emergency

The AA batteries may be too available in almost any store, but for emergency cases, it’s wise to get a flashlight with unusual batteries. Since AA batteries and flashlights are the most common, in crisis, chances are these common batteries will run out quickly. But, if you have a flashlight with CR123a or other less common battery types, there’s a big possibility that they’re still available.

However, for emergencies, you should have this as your backup. Because these batteries are unusual, there’s also a possibility that they are not sold everywhere. So, make sure to have flashlights running on common AA and other frequently used batteries and the other with an unusual battery type.

Trusted Brands

When you shop for batteries, you’re surely prompted with Energizes, Surefire, Duracell, Panasonic, Rayovac or Eveready. These are great brands offering great batteries. However, numerous experiments and comparisons are showing that Rayovac batteries last longer compared to the rest for D cell and AA cells. Rayovac is cheaper than Duracell, but it has a good reputation when it comes to the longevity of their batteries. This isn’t a conclusive experiment, but at least, you get the idea.

Other Factors

As mentioned earlier, both Lithium and Alkaline batteries have a longer shelf life. This means you can buy them on sale this year and use them next year, without any noticeable difference in terms of performance.

Some batteries can resist extreme temperatures. The Energizer E2, for example, is advertised to last longer than ordinary batteries and can function well between -40 to 140F. Batteries like these are perfect for camping and hiking. Make sure you read the label and specifications of your batteries.

Battery Life

The heaviest consideration of why the battery is the best is if it lasts the longest. You’ve known that there are batteries that last for several years. Yet, you can still extend the lifetime of your batteries if you know how to use them. If you are not careful — you drop the flashlight in the water or it’s left under the rain – even if the battery is advertised to last for years, it becomes impossible.

Furthermore, if you forget to turn the flashlight off, it’ll surely drain easily. Worse case, the bulb will blow, especially if the flashlight has an incandescent bulb. If not in use, it’s better to turn it off. And, if not used for much longer, take off the battery. These are just some tricks to extend the life of your batteries.

Conclusion

From the discussions about, there’s no ultimate best flashlight battery because it depends on your usage and how you use it. However, to be able to know what is the best flashlight battery, you should also know the types and their primary usage. Yes, there may be a lot of batteries to choose from, which makes it confusing. But, if you know what these batteries are for, you can easily pick one without hesitation.

Batteries are vital to your flashlight because they are the ones that make the flashlight light. If you get a battery with a higher voltage, you should be a brighter flashlight, but it doesn’t mean it’ll last longer. At least, knowing how to read those specifications on the battery and the flashlight will give you the ultimate battery for your needs.

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