Take apart a 9V battery and turn it in to Six AAA batteries. This way you save money. amazing science experiment trick. This is a simple battery deconstruction that results in a 9 volt battery's dissection into six AAAA batteries. They are not AA or AAA, but a kind you won't find at Radio Shack.
So you've been using iOS 13 for a little while and noticed your iPhone is pretty slow to charge. Using the 5-watt power adapter out of the box, in the time it used to take your iPhone to charge its battery to 100 percent, your iPhone is stuck at 80% or below instead. That's because Apple introduced a new feature in iOS 13 that slows down charging — but for a good reason.
Preserving battery life has become one of the biggest problems for the average user. Whether you're on Android or iPhone, your battery is probably a massive concern. While there are a ton of battery-saving tips out there, they mainly rely on you manually performing actions yourself. This isn't the case if you use IFTTT to take care of your battery automatically.
Not all batteries are created equal, but one thing's for sure—they all lose capacity over time. Thankfully, the advanced lithium-ion batteries in your MacBook and iPhone are meant to last for several years before they begin to lose their overall charge capacity.
Good battery life is one of the most important things any phone or tablet should have, but iOS 7 isn't always that great at handling power consumption. That leads to tunnel vision on the status bar's battery meter. After all, you don't want to be stranded in the middle of nowhere with no juice left to make a call.
"What is dead may never die." That's easily one of the best lines (and episode title) from HBO's Game of Thrones series. While the saying may ring true for the Ironborn, it's not quite as catchy when it comes to batteries.
Millions of laptop batteries have been recalled because of the risk of FIRE. Get some tips from CNET to learn how to keep your laptop battery safe and secure. First, make sure your battery hasn't already been recalled. Second, don't leave the laptop constantly charging because it heats it up. One way to save your battery is to remove it completely when you plug in directly. Third, treat the battery as fragile. And finally, four, avoid buying knockoff batteries.
Verizon Wireless has a data cap on the 4G LTE connection that the Motorola Droid Bionic uses to connect to the internet and download information from its apps. If you want to stop your phone from hitting these caps and causing you overage fees, you can turn off the 4G connection by looking at this guide. It will save your smartphone's battery life as well!
Want AAA batteries for cheap? Learn how to hack a 9-volt battery with this money-saving video tutorial from Make Magazine's Kip Kay. All you'll need to replicate this hack at home is a pair of needle-nosed pliers and one or more Energizer 9-volt batteries. For instructions on how to extract quadruple A batteries from an Energizer 9-volt, watch this how-to video.
If you're sick and tired of you laptop dying all the time, then the answer may be right in front of you— power management. In Windows 7, it's easy to control your power settings to help you laptop's battery last longer. Watch and learn from none other than Microsoft.
Those old cell phone and laptop batteries staring you in the eye? Don’t worry, recycling them is easy.
Batteries are fairly expensive. There are a few tricks you can use, storing seeming depleted batteries in the fridge, etc. Take a look at this instructional video and learn how to use a battery from an old broken laptop for other things. The batteries in this video are 18650 batteries, the same kind in a tesla.
Update 1/17: Tim Cook chimed in about the upcoming iOS upgrade with expanded battery health data. We'll expand on that below.
After watching Samsung's exploding phone fiasco this past year, I took comfort knowing that the likelihood my iPhone would suddenly combust was slim. However, after hearing about a recent incident in Wisconsin, iPhone owners may have reason to worry.
Android's stock battery menu is pretty decent. You can see which apps have been using the most power, and you can tell when your CPU was awake or asleep, among other things. But a lot of times, battery-sucking services will get lumped under the generic "Android System" header, and even though you can see when your CPU was awake, you can't exactly see why.
We may all have a Nexus 7 tablet, but we don't all want to have the exact same look and feel, which is why we softMod for a more personalized vibe. There are hundreds of cool mods you can perform on your Nexus 7, whether stock or rooted, but one of my favorites in Android 4.4 KitKat was unlocking the hidden battery percentage icon in the Status bar.
Watch this science video tutorial from Nurd Rage on how to get zinc, carbon rods and MnO2 from lantern batteries. They show you how to get zinc, carbon electrodes and manganese dioxide from a lantern battery.
Going, going... gone! Don't let your Windows 7 laptop battery go down on you. With this quick and helpful video, learn how to control your laptop's battery settings via Windows 7's power usage function to ensure you get every last drop of your battery's power.
This is a video games tutorial where you will learn how to make a fat PSP Pandora battery. First you will nee a battery, a pin and a knife. Put the knife blade along the joint of the battery and slide it up and down to crack open the battery cover. Then pry open the battery case and remove the battery carefully. Now you need to break of a pin on the top end of the battery. You have to be very careful while doing this. See how it is done in the video. then you put the battery back in the case ...
The guy in the video starts out explaining that, over time, his guitar has started to sound a little funny. He thought maybe it was a cord or wire shorting out, but it turned out to be the battery. He shows us how to change that battery. You are going to need a Philips head screwdriver and a new nine volt battery. Take off the tremolo plate on the back of the guitar. You'll be able to see the old battery in the body. Gently remove the old battery and replace it with the new. Slide the new bat...
Ever wanted to know how to make a fire with your cell phone? All you need is a cell phone, a brillo pad, and material for tinder. First take the battery out of your phone and find the positive and negative contacts on the bottom of it. Next tear off a chunk of the brillo pad, roll it up until you have a twisted piece about an inch long. Bend the steel wool over and touch an end to the positive and the other end to the negative contacts on the battery. That causes the steel wool to smolder--no...
MAKE and Collin Cunningham brings the do-it-yourself mindset to all the technology in your life. Make Magazine celebrates your right to tweak, hack, and bend any technology to your own will.
When your iPod is no longer holding a charge, the battery is most likely dead. If your iPod is past Apple's warranty time, you might want to try replacing the battery yourself. You will need a prying tool and a new battery. Watch this video iPod tutorial and learn how to replace a 2nd generation iPod battery.
Check out this demonstrational video that illustrates how to replace a third generation slim iPod battery. Check out how this iPod battery was replaced for a customer. The slim ipod battery replacement can be replaced rather easily, so watch how and learn!
A basic instruction for electronic enthusiasts. I use an RGB LED and a 510 ohm resistor as I may change from 6 to 9 volts later, but with my LEDs i could go as low as 330 ohms. I sacrifice some brightness for the sake of longer life. To choose your resistor, the value in ohms = voltage of your batteries or power supply / (as in divided by) the amperage that your LED needs to run.
This video shows you how to use a Heavy Duty battery load tester to test and inspect the remaining voltage in a battery.
This two part video goes over the procedure for testing and inspecting lead acid batteries. A machine is required to test the battery itself. You can do the visual test at home, and then bring it to an auto parts store for the machine test part.
Starting in October, many Nexus 6P users have been experiencing a bug that causes their phone to completely shut down, even though there was 20% or more battery life remaining. At first, it was thought to be a direct result of the recent Android Nougat update, but a combination of factors indicate that this isn't necessarily the case—or, at least, it's not the only problem.
By now, everybody knows that overcharging a battery will reduce its overall life span. This is why many smartphone manufacturers recommend that you charge your device to 100%, then unplug it immediately. Some even go so far as to automatically stop charging when the device is fully juiced, although not all devices have this functionality.
When your treasured watch no longer goes "tick tock," or does so now very slowly, you know it has one foot in the grave. Or does it?
In this tutorial, we learn how to jump start a car using another car's battery. First, you will need to position the two cars in front of each other. Turn off both of the cars completely, then attach the jumper cables. You need to connect the positive post of the dead battery to the positive post of the live battery. After you do this, Then, wait for a couple of minutes while the cars are connected and the battery is receiving power. Now, start the car that has the bad battery and it should s...
Repairs Universe demonstrates how to replace the battery on a Microsoft Zune HD. First, use a tri-ring screwdriver to remove the four screws on the back of the Zune. Then, remove the back cover. Next, remove the bottom cover by using your fingers to gently push it off. Then, use a T-5 screwdriver to remove the four screws on the back of the Zune. Release three ribbon cables from their pop connections with a safe pry tool. Use the pry tool to also release the battery from the Zune. Lift the mo...
This video explains how to use jumper cables to jump start a car. First, determine that a dead battery is the reason your car is not starting. If the engine cranks when you turn the key, the problem is not the battery and jump-starting won't help. If the windshield wipers, lights and heater blower all work, the battery is probably fine and you may have a bad starter. A jump-start won't help if you have a bad starter. If you hear no sound at all when you turn the key or if the engine cranks ve...
Watch this science video tutorial from Nurd Rage on how to make copper sulfate and zinc batteries. They show you how to make the classic copper sulfate and zinc battery using the incredibly easy "gravity" battery design approach. Great for science fairs and similar projects this battery can be used to explore many basic concepts in batteries.
This Weekend Project is the USBattery from MAKE Magazine Volume 16. Conceal a flash drive in a AA battery! This is a way cool USB battery mod or hack project. It makes a cool secret storage space for your spy projects. Wear gloves, safety goggles and a non alkaline battery.
Don't just drink your milk... have fun with it! Check out this science experiment video to see how to curdle milk with a battery and salt. This experiment can be done by anyone with a few simple materials... milk, a 9-volt battery, a small glass or plastic cup, salt and a stirring rod.
Kipkay teaches you how to make your own computer batteries because the real computer batteries are expensive. You should buy six lithium ion batteries, but you always want to go higher in miliamps and not lower.
If your car has a dead battery, jumper cables can be used to connect to a car with a good battery to start your engine. Begin by positioning the two cars side-by-side, turn off the engines, and lift the hoods to access the batteries. First, attach the red cables to the positive terminals of each battery beginning with the dead battery. These terminals are usually marked with a plus sign or in red. Next, attach the black cable to the negative terminal of the good battery. The negative terminal...
CadNYC demonstrates how to open the Nike iPod sensor casing. Replacing the iPod Nike sensor battery is easy and low cost with a few simple steps. First, place the sensor in a vice clamp and saw off the casing using a very thin hacksaw blade. then, open up the sensor compartment to have access to the battery. You can now remove the battery and replace it with another battery which will cost about two dollars. After you replace the Nike iPod sensor battery, use a strong adhesive to glue the cov...
Have your battery tested. If your battery is at least 3 years old, take it to a certified automotive repair facility. You do not want your battery, whose power is reduced by 50 percent during the cold weather, to go dead while you're in the middle of a snowstorm. If they are younger than that, make sure that the battery's posts and connections are free of corrosion. Also, make sure that your battery has all the water it needs.
