This is often why people will choose expensive branded batteries over cheaper, less popular brands. It’s always good to save on items, and you can definitely save on batteries by going for the cheapest product, but due to the somewhat volatile nature of batteries, you may want to at least pick a brand with renown. Price Another factor that comes into play when picking rechargeable AA batteries is the price. Because of this, it’s generally a good idea to look for batteries with longer battery life, and while it’s arguably the most important trait of a rechargeable battery, don’t let that be the only thing worth considering. The higher the number, the better it is at holding more juice at once. Things to Look Out for When Buying Rechargeable AA Batteries Battery life Batteries have a certain amount of energy or power that they can store at a time, usually measured in mAh. This lowers your carbon footprint, so you end up wasting less in terms of materials. By purchasing a pack of rechargeable batteries, you are basically preventing yourself from buying (and eventually disposing of) metal batteries. They can damage or kill the soil and any inhabitants in it, and it also leads to heavy metal pollution, as metal doesn’t erode like paper. If you really want to make the most out of your money, however, rechargeable batteries are a good investment They’re better for the environment Batteries can cause a lot of environmental damage when not disposed of properly. They also can be replaced immediately, causing no downtime for your device, whereas you’d need to take out the battery and charge it before using it again for a rechargeable battery. For one, they’re cheap, making them great for one-time use. Now, this doesn’t mean that disposables are objectively worse. Why? Because instead of buying more batteries the moment your disposables run out of juice, you can simply just recharge your batteries to full power and use them again. Benefits of Owning a Rechargeable AA Battery They offer great long-term value While you may be spending a bit of extra cash on a set of rechargeable batteries compared to disposable ones, you will end up saving a bit of money in the long run by using rechargeable units. The batteries can vary in voltage and size depending on the name of the battery. You have AAA below AA, of course, but there are also C and D batteries as well as other battery shapes with a bit more complicated names such as a 6F22 battery. AA may look pretty big on its own, but it’s actually one of the smaller sizes. This determines the standard sizes of batteries to be used in electronic products. “AA” refers to a standard known as the IEC battery standard. This usually includes small handheld devices such as remote controllers or portable devices such as radios. What Is an AA Battery and What Makes It Different From Other Battery Types? An AA battery is a type of battery used to charge devices. Read on to learn more about these batteries in our short buyer’s guide. She started using rechargeable batteries in the 1990s.Īrricca SanSone updated this story, comparing features, reviews, and lifespan.With rechargeable AA batteries, you never have to worry about buying more AAs from the store ever again. She has personally tested compostable packaging in her backyard compost heap, a variety of solar chargers, hybrid cars, and other products meant to leave a lighter footprint. She’s also a science writer who has covered biotech, astrobiology, animals, women’s health, and space for a variety of publications including Scientific American and National Geographic. Starre Vartan has been covering sustainable consumer products for 15 years, 10 of those with Treehugger (under the MNN brand). The higher the number, the longer it will last, or the more power available for short, high-drain use (think a camera flash). Importantly, smoke detectors that require a 9-volt battery (some come with built-in, long-lasting batteries and we’re not talking about those) shouldn’t use disposable batteries-they’re not designed with them in mind.Įnergy Capacity: The energy capacity of a battery is measured in milliamp hours or mAh. Anything that draws continuous small amounts of power over a long time period like wall clocks or headlamps are better off with a disposable battery. Intended Use: Disposable batteries are sometimes a better choice than rechargeable. Price: There’s not a huge difference between the major brands listed above when it comes to rechargeable batteries, so overall, you’re probably best off choosing the one that’s on sale when you look to buy (and again, don’t forget to factor in the cost of the charger).īrand: With that said, it’s wise to stay away from off-brand batteries of any kind, whether rechargeable or disposable.
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