How to Make Aaa Batteries Work Again
I promise you had a relaxing holiday break. I know that our firm has been invaded by all sorts of buzzing, flashing, and really noisy toys. And yous know what all those toys have in common? Batteries.
Did you know that most devices will stop working whenever the juice in its batteries fall by just xx%?
I'm not sure I believe it simply…
… I learned near a fiddling startup that had a product called Batteriser. They make a sleeve that goes effectually a bombardment and helps you go the remaining lxxx%. It's "still in development" and I'm eager to see their progress but like a lot of folks I'g skeptical (very skeptical).
(I'yard very skeptical as well… you know what they say about things that are too practiced to be truthful…)
Reading about it, and constantly tripping over a million flashing, singing, and rolling toys; sparked my interest in batteries.
What does a blogger practice? I compiled a list of battery hacks I utilise to help me save coin, lengthen the lifespan of our batteries, and work around incompatible battery sizes (because who wants to go to the shop in the middle of the night to pick up the right battery?).
Before the hacks, we need to get through a quick lesson in batteries. Knowing how batteries work is like having a cheat code, all the hacks will brand sense and you'll exist able to remember them better.
How electricity & batteries work in 60 seconds
This part contains a wee bit of science and it will turn you lot into a MacGyver when information technology comes to batteries.
First, electricity is the period of electrons through a conductor, like a copper wire.
A battery has a cathode (+) and an anode (-) separated past an electrolyte. The chemical reaction in the bombardment causes a build up of electrons at the anode. These electrons really desire to become to the cathode to residuum it out just the electrolyte stops them. They go along any path you supply that connects the anode and cathode, similar when you put the battery in a toy. Over time, anode and cathode under become chemical change and supply no more electrons.
For alkali metal batteries, this chemical alter creates a niggling bit of hydrogen gas. That gas needs to go somewhere, which is why batteries sometimes leak. Later a sure time, the pressure level builds and the gas needs to escape. Batteries leak because they are existence drained (phantom bleed) and age. A quick takeaway here is that if you lot are putting anything in storage, take out the batteries.
OK, now yous know about batteries. Let'due south get back to electricity. Information technology's all virtually voltage and amperage (current).
If electricity were like water flowing through a hose, the amperage is the diameter of the hose. Voltage is like water pressure on the 1 finish, or how much you've opened the faucet.
AAA, AA, C, and D batteries are all one.five volts. All the same voltage.
They differ on amperage. As a result, they contain different Watt-hours (Watts is voltage time amperage) – or total amount of energy. That explains why they're unlike sizes too.
For the curious, this is a table listing all types and how much energy they contain.
Armed with this knowledge, the hacks below volition make perfect sense.
Not all batteries discharge equally!
It might surprise you to learn that when your device is "out of juice," it doesn't mean every battery is completely consumed. Exam each one to observe out which i is the low man on the totem pole, and so merely replace him.
Yous'll need a battery tester. You tin get one designed to test batteries (it's only $seven) or get a multimeter (costs near $ten more) which will let yous test a variety of things (current, voltage, resistance, etc.) across 2 points.
In most devices, you put the batteries in series to increment the voltage. It'due south why y'all point batteries in different directions. (this is as well why a 9V battery can be just 6 AAAs, which have i.5 Five each)
When your device stops working, you may only need to replace one battery. I discovered this happens a lot with children's toys.
Replacing one battery is cheaper and easier than replacing them all. And you might take a spare lying around but not a whole set.
No tester? No problem!
You can exam not-rechargeable batteries without a tester — Agree them about two inches in a higher place a difficult surface and drop them. A dead bombardment will bounce higher than a good one. Much higher. (this won't work for rechargeable batteries)
Why does this work? Click here.
Every bombardment works on the same principle, you complete a circuit and something inside the battery oxidizes. That process makes the battery bouncier. It's non perfect but it's ameliorate than throwing them all out.
In an alkaline bombardment, the negative electrode is zinc and the positive electrode is manganese dioxide. Information technology all sits in an alkali metal electrolyte of potassium hydroxide, hence the name of the bombardment. When yous complete the circuit, the zinc and manganese dioxide react to create electricity and waste byproducts. That process makes the bombardment bouncier because of how it changes the consistency of the within of the bombardment.
Batteries are (Kinda) Interchangeable
Desire to know how Cs become Ds, AAAs go AAs?
At present that nosotros know how many batteries we need to replace, we can start MacGyvering. Since we learned how batteries worked in the start, nosotros know it just comes down to size.
How to Turn C Batteries into D Batteries
If you're in a jam and yous have a device that takes D batteries and you but take C batteries, you can jury rig the C batteries in the D's place only by sticking in three quarters.
Put in the C battery and jam three quarters, which conduct electricity, on the negative or positive end, whichever is easiest. C batteries take less than half the energy capacity and discharge of D batteries simply will work. Simply not as long.
Bonus: AAA tin take the place of AAs with a picayune crumpled upwards tin can foil to complete the connexion.
Turn a 9Vs into half dozen AAAs
Cut it open up and you'll observe 6 AAAs inside.
Here's a video, if yous are so brave:
Plow a 12Vs into viii 1.5V button cell batteries
I think you're starting to understand how this works. 🙂
Notice a A23 12V battery, cutting it open, and yous'll observe 8 ane.5V button batteries inside. This i can save you a lot of coin too because an A23 12V battery volition run you nearly $1.00-$ane.fifty for a pair. A unmarried 1.5V button bombardment will run you about $1.50 too. Buy 2 A23 12V batteries for $1.50 and rip them open to liberate $24 worth of batteries inside.
What happens when you rub on the contacts of a battery? You're not "recharging" the battery a little scrap, you're just cleaning off the connection points and improving conductivity.
Remember the battery is a chemic reaction and you aren't reversing it when you rub a contact. You are just taking off any conduction impeding gunk, so the juice tin menstruum more easily. This might become you one last press, or two, of the remote to turn off your Television receiver. It won't give you another 60 minutes of smoothen in your flashlight. 🙂
Recharge alkaline batteries with other alkaline batteries
Apparently, yous tin recharge an alkaline battery using other alkaline batteries. Merely tape them and wait a long time.
Infinite solutions! (I actually accept no idea if this works but this guy feels confident information technology does and I love everything well-nigh that video)
Remove Batteries earlier Storage
Before you put any items in storage, where you won't use or come across them for a while, remove the batteries. Alkaline batteries will somewhen leak and harm your devices, particularly if left lone for many months.
Nosotros have a seemingly unlimited supply of kids toys and equally they historic period out and lose involvement, nosotros put them away… without batteries. 🙂
Oh, don't freeze your batteries!
I know a lot of people who shop batteries in the fridge or freezer considering they believe it prolongs life.
It doesn't.
Energizer's Not-Rechargeable Battery FAQ states:
1. Is it a good idea to store batteries in a fridge or freezer?
No, storage in a fridge or freezer is not required or recommended for batteries produced today. Cold temperature storage tin can in fact harm batteries if condensation results in corroded contacts or label or seal damage due to extreme temperature storage. To maximize performance and shelf life, store batteries at normal room temperatures (68°F to 78°F or xx°C to 25°C) with moderated humidity levels (35 to 65% RH).
So why exercise people practise information technology? Element of group i batteries self-discharge at room temperature (lxx° F) at a rate of 2% per year. Storing them at lower than room temperature volition help, but it's only two% per year and y'all run the hazard of you forgetting yous stored them next to the bag of salad you as well forgot almost.
NiMH and NiCd batteries (rechargeable) discharge much faster (some say a few percents a 24-hour interval) so there'southward some logic in storing those in the fridge, but hither'due south why y'all shouldn't. Farthermost common cold can cause the seals on the battery to leak. The wet in the fridge isn't peachy for the metallic parts of the bombardment either. Finally, you should bring the bombardment up to room temperature before using. You might also but charge the batteries before you lot need them.
Armed with this newfound power, go forth and conquer the globe!
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Source: https://wallethacks.com/battery-hacks/
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