Many Android users woke up on January 10 to discover that their phone's performance took a nosedive overnight. Battery life is draining fast, overall performance has been sluggish, and devices seem to be overheating for no apparent reason. Not to worry, this isn't happening because of something you did.
What's the first thing you would do once you realized you were lost in, say, a desert? If you're like me, you would immediately pull out your cell phone and start dialing every number. But what if you have no service? What if your battery is dead?
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.
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.
Watch this science video tutorial from Nurd Rage on how to get lithium metal from an Energizer battery. They show you how to get Lithium Metal from an Energizer Ultimate Lithium battery.
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.
So you're on a trip and you forgot to bring a cell phone charger. Don't want to spend 30 dollars, but need to have your cell phone on? This video will teach you how to charge your mobile phone with regular batteries. All you will need are: a charger plug, resistor 2, cell phone, and 4 AA batteries AA.
Did you know you could create a battery by using a few items from around the house? Get you and your family "Hooked on Science." You need two electrodes, some wire and some lemons.
If you are having a hard time with starting your lawn tractor, there may be several reasons behind this. One being the battery. Just like a car, the battery brings life to your lawn tractor and makes sure that is is working properly. Without the battery, you can't use your machine.
Your iPhone may be great, but like any other mobile device, it might be wasting more battery power than it needs to. If you want to learn how to conserve your battery life, there's plenty of precautions you can perform. So what all can you do? Best Buy has answers. The Best Buy Mobile team explains how simple it is to maximize the battery life of your Apple iPhone. You can put it in standby mode, reduce screen brightness, and turn off Location Services when you're not using them.
Nicad batteries often die in such a way that they won't take a charge and have zero voltage. This usually means they're shorted out by crystal dendrite growth. Here's a method of bringing them back to life by zapping those shorted crystal dendrites away with too much current and/or voltage. We'll use a welder as a power source. You could also use a car battery, a DC powersupply, or almost anything with some voltage. Charged-up capacitors are popular for this because you can get a very fast pu...
Light shows are one of the best parts of raves, bringing people together to participate in a whole new type of social interaction. Gloves have become the most popular tools of the lightshow trade, and this video will teach you how to make your own custom set exactly how you want them. It discusses types of lights, batteries, and everything else you need to know to make your first set of gloves.
Is the battery on your Motorola Droid 3 getting drained fast? If you're tired of running out of battery life when using the Verizon Wireless smartphone, try out the Battery Manager located in the settings menu on the Android device. The utility features several different profiles including "maximum battery saver" and "nighttime saver." By changing a few options on your smartphone, you can drastically increase and improve the battery life of the device.
One odd change found in the Android Pie update is that the "Battery" menu no longer lets you see apps that are draining your battery, nor gives access to usage details. However, one quick menu tweak will bring the Battery menu back in line with Android Oreo's, only there's a hidden setting you have to unlock first.
Historically, battery life has not been a strong suit for machines running Windows. Poor decisions by hardware manufacturers combined with the resource-hogging behavior of Windows are to blame. However, Microsoft is trying to resolve this issue, once again, with the release of Windows 10.
The new Canon EOS 7D digital SLR camera uses a powerful lithium-ion battery called the Canon LP-E6. You can manage your battery's capabilities with the battery display in your camera. See how in this video.
Watch this science video tutorial from Nurd Rage on how to restore silver with electrochemistry. You can restore old silver with aluminum foil or a battery by simple electrochemistry.
If you're tired of replacing the batteries on your remote control and you would rather have the TV remote charge by itself, grab a few solar cells, rechargable batteries, and a few extra odds and ends. With this mod to your remote, you can let light charge your remote and never buy another battery for it again!
Find out how to use a six volt lantern battery to really save you money. This is no con, or prank, or joke that involves 32 AA batteries; this is the real deal. Just watch this money saving video tutorial to see how to hack a six volt battery. You can easily replace a few of this cells, which are equal to 3 D batteries, which can be used inside of your Maglite flashlight. Don't let that 6 volt battery go to waste after buying it for the other false hack, use them in any way you can, like this...
HTC claims to have improved the One M8's battery life by 40% over its predecessor, but there is always room for improvement.
There were some pretty amazing things included in the Android 4.4 KitKat update, but unfortunately, most of them were left inactive on our Nexus 7 tablets. Some, like full-screen immersive mode and the hidden battery percentage status bar icon, could be enabled on rooted devices, but not everyone wants to root.
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.
Watch this science video tutorial from Nurd Rage on how to make copper sulfate from copper and sulfuric acid in three ways. They show you how to make copper sulfate from copper and sulfuric acid using two chemical methods and one electrochemical method.
This video shows us the method to make a universal motion alarm to protect your home. You will need a reed switch with an alternating contact, a 9V battery with a battery clip, a switch, a buzzer, a small plastic box and a magnet. When a magnet is brought near the reed switch, it switches to the other contact and the switch is open. If the magnet is removed, the switch is closed and the buzzer starts ringing. Make the circuit with correct polarity for battery and the buzzer. Make a hole in th...
Live wallpapers, like the classic Mario-themed one we previously covered, is a great way to spruce up your device and get some simple amusement. Unfortunately, they also drain more battery than conventional wallpapers. Which brings me to ASUS LiveOcean.
"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.
Battery life is a constant problem with cell phones today, and the Droid smartphones running Android software are no exception. If you want to learn how to get the most out of your Droid battery, then check out this helpful video that provides 8 tips on cutting battery-eating apps and features. If you want more battery life and are willing to sacrifice the cool features of the Droid cell phones, then you have to do these things. Don't let you Droid battery get drained!
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.
See how to make a guerilla battery pack for your camera! For this quick battery hack from ChappyShowcase, all you need is some gaffing tape and two batteries from your camcorder. Simply tape the two batteries together so that the contact terminals are facing away from each other. By combining two batteries into one, you'll have a guerilla battery brick setup. Now you're prepped for the most efficient battery swapping capabilities possible! This is a good trick for any assistant cameraman.
Check out this car maintenance video on how to change your car battery in the smartest and safest way. So, get out that socket wrench or crescent wrench and get to work. Take out the auto battery and clean the battery cable connectors for a nice connection to your vehicle's new battery. Then just install the battery.
Those old cell phone and laptop batteries staring you in the eye? Don’t worry, recycling them is easy.
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.
While last year's revelation that Apple slows down iPhones with aging batteries left a bad taste in users' mouths, the company's $29 battery replacement program was a step in the right direction. However, all good things must come to an end; Apple will soon shut down the program, leaving users to pay the full $79 to replace their faulty batteries.
Several Samsung phones have a feature that turns the screen black and white when the battery is getting low. This takes advantage of the AMOLED display in these devices, because unlike red, green, and blue pixels, no battery power is used to display black pixels on this type of screen.
Apple's MacBook line of laptops is quite famous for their extensive battery life, thanks to various technologies that Apple has utilized. However, all things must pass, and over time your MacBook's battery will degrade. Certain use scenarios can accelerate the degradation of the battery—from excessive usage to high temperatures to overloading the system—and this can all lead to the untimely obliteration of your battery.
Apple has begun selling their new iPad mini at stores around the world starting today. The mini, a smaller and cheaper alternative to the larger iPad, has a starting price of $329 and is expected to sell around 1 to 1.5 million units in the first weekend, far below the 3 million iPad 3s sold last March (who all probably want their money back). Something that's sure to be brought up in the following days, as with most new devices, is the battery life. As we previously provided you tips on savi...
Battery life on all cell phones is a problem. There isn't a cell phone on the market today that can satisfy everyone's power needs, but there are a few tips and tricks to making sure you have total control of your battery's lifespan on Droid smartphones.
While the iPhone 4G claims to have vastly improved battery life, some are still not impressed. If you are not convinced of your battery's longevity and wish to replace it, check out this clip. Apple won't do this for you and a repair shop will be pricey, but if you follow these instructions you can do it yourself. So, get ready to operate on your smartphone with this helpful tutorial.
Check out this how-to video to start a fire using an AA battery and a staple. You can do this while listening to the classical guitar piece, "Malaguena" if you feel like it. It could save your life! With your battery: start by cutting the plastic away from the negative terminal. Watch the video survival training tutorial for more tips on starting an emergency fire!
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.