Build a fire without matches or a lighter so you wont freeze to death or attract predators in the wild. The finer the steel wool, the better. Most batteries will work but 9 volt batteries are the easiest.
This is a great video that shows you how to boost your car battery with the help of fruit. That car battery will be longer lasting and more efficient through the aid and support of grapefruit.
This how-to video will show you how to zap charge a non-rechargeable battery with only two wires and a car. Sounds cool, and fun, unless of course you zap yourself. Watch this video circuitry tutorial for more information on this simple, money-saving hack.
Walt Barr shows you all the steps to test and recondition automotive lead/acid batteries on one video.
Mr.G shows you an experiment in which you can create pulse DC current (which mimicks AC current) from a nine-volt battery.
Learn how to make a functioning battery from a can of soda. I made a battery out of cola and pennies. Awww, snap! Who's got iPhone power at burning man?! Me!
The battery icon in your iPhone's status bar gives you a visual idea of how much power is left, and there's a battery percentage option you can switch to or view in the Control Center, depending on your model. But what you may not know is that there's a way to view the battery percentage of every device connected to your iPhone, from AirPods to Bluetooth speakers and your Apple Watch.
Battery drain is a major pain point for Android users, though that promises to change thanks to Android Pie's new Adaptive Battery feature. But Google hasn't said much about the inner workings of this feature, only publicly stating that it uses AI to boost battery life. So we dug in to find out what's really going on under the hood.
I don't know about you, but nothing is more annoying than when my phone hits 15% and I'm nowhere near a charger. Not just because I know my phone will die soon, but until I reach a charger, I have to deal with the annoying low battery notification and LED light. Well, with Android 9.0 Pie, we finally can escape this.
Apple released the second beta for iOS 11.3 on Tuesday, Feb. 6. The update comes two weeks after the original announcement and release of the iOS 11.3 beta, which brought new Animoji, Messages on iCloud, and Apple Music Videos, among other features. One glaring omission was the promised battery health tool, but iOS 11.3 beta 2 just introduced it.
On all other iPhone models, you go to "Battery" in the Settings app and toggle on "Battery Percentage" in order to see the exact amount of power left in the status bar. On the iPhone X, XS, XS Max, and XR, however, that option no longer exists since there's not enough room up there to show the percentage indicator because of the notch for the TrueDepth camera system. But that doesn't mean it's gone entirely.
So, you've gotten (or are getting) a shiny new iPhone 8 or 8 Plus. Congratulations! It's got great new features including the new A11 Bionic chip, wireless and fast charging, and portrait lighting. And let's not forget a much better battery ... right?
The iPhone has a feature that lets you see how much juice is left in your Bluetooth headphones, but most Android phones are lacking this ability. Thankfully, there's a simple app that'll close this gap in functionality.
The Snapdragon 820 and 821 were met with praise last year, receiving almost no complaints compared to their overheating predecessor, the Snapdragon 810. But now, all eyes are on Qualcomm to see what goodies they have in store for us this year, as their new SoC, the Snapdragon 835, will be revealed this week at CES 2017.
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.
This video will show you how to clean the battery cable terminals on your battery.
The Galaxy S6 might just be the best Android phone on the market right now. From a hardware standpoint, Samsung truly knocked this one out of the park with its finely-crafted build quality and amazing screen.
When purchasing a new phone, one of the most vital features to consider is battery life. Everyone wants to know how long they can use their device without needing to hug a wall. Increasingly, more and more manufacturers ship their devices with some variation of a "battery saving" mode, which can help combat dead-phone issues in times of dire need for battery life.
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.
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.
It's hard enough to keep tabs on the battery life of one device, let alone all of the different gadgets that a typical consumer owns in this day and age. Say your smartphone is running low on juice, so you switch to your tablet only to find out that it's almost dead as well. Better hope your laptop is fully charged, right?
A simple method to test any alkaline battery in seconds! Works on AA, AAA, C, D batteries. You can separate good from bad.
Hand made air conditioner made of a foam lunch box, 5 volt DC fan, 4 AAA rechargeable batteries, and some ice. This homemade AC can run on batteries and you can plug directly into any USB port.
If rapid battery drain is something that's been an issue for you in the past, Apple is now making it easier to monitor what might be the problem. In the new iOS 8, you can now check battery usage for every app on your device.
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.
Much like the built-in screen recording tool on Android 4.4 KitKat, hidden features like the new battery Status bar icon must be manually unlocked on your Nexus 7 tablet. This is both exciting and annoying.
Want to put a LiPo battery in your Traxxas RC Vehicle? Need to install Traxxas Connectors on your new battery? Here's how!
With iOS 6 coming out yesterday, there were bound to be plenty of glitches. iPhone users filled Apple's forums with complaints, with battery drainage issues leading the way. Many users complained of rapidly increasing battery drainage after updating to iOS 6, specifically with the iPhone 4S.
You can do a lot more with playing cards than you'd think, like turn them into gift boxes, fling them like throwing stars, and make them levitate or disappear. You can even make them recharge your batteries. Instructables user Shawn Frayne was sick of having a bunch of dead batteries lying around, so he developed a cheap and easy way to always have a charged one within arm's reach by turning a normal playing card into a super simple solar-powered battery charger for rechargeable AA and AAA ba...
Build your very own Trek-style Blu-Ray laser phaser with this hacker's how-to video from Kip Kay of Make Magazine. To replicate this hack at home, you'll need the following materials: (1) a PS3 Blu-Ray laser assembly (which can be had on eBay for roughly $45), (2) an original series-style Star Trek phaser gun (a good quality replica of which can be found for roughly $30), (3) a 9-volt battery, (4) a 9-volt battery snap, (5) a 150 Ohm resistor, and (5) a new switch to replace the phaser trigge...
If your vehicle does nothing (doesn't crank over) when you turn the key in the ignition, then you might need a new starter. In this video, Scotty shows you how to check your starter and how to replace it if it's bad. Your first reaction for a non-starting car may be to jump start it, due to a dead battery, but if your battery is brand new, or if jump starting doesn't work, you'll need to get a starter tester to check out the starter. If it's bad— replace it with a new one! See how!
Hacking the PSP requires some unique tools and procedures, including the infamous Pandora Batteries and Magic Memory Sticks. This video will show you how to hack both the fat and slim versions of the PSP with firmware version 5.03 and below. This will allow you to play all sorts of homebrew games, ROM's and other fun stuff on your PSP, expanding the uses of this tragically undersupported portable console. Now hack that baby! This should let you unbrick your psp 3000.
Arc welding is a type of welding that uses a power supply to create an electric arch between an electrode (electric conductor) and a base material to melt the metals at the welding point. While you can certainly purchase a welder for your car shop or jewelry making business, you can actually save some money in that department by making your own.
Check out this video tutorial to show you how to use the Sony DSR-PD170 MiniDV camcorder. This video was made by the equipment room at CUNY Journalism School in New York.
You are stuck in the middle of nowhere and can't see a thing. Luckily you have pencil and your car battery. You can create 20 minutes of bright light using the graphite from a regular pencil, wired to the positive and negative of your car battery. Basically, the graphite serves as a bright filament for your emergency light. Follow along with this how-to video tutorial to learn the step by step process of turning a pencil into an emergency light.
Power the clocks at your home with the sun! With a solar cell that costs around $5, you can convert a clock to solar power and avoid buying batteries or running up the electric bill. Instead, connect a rechargable battery to the solar panel with a few wires and some adhesive and soon you'll have enough energy to power your clock for as long as it lasts.
Learn how to insert the SIM card and battery. It's an easy process. And this clip will teach you everything you need to know. For all of the details, including complete, step-by-step instructions, watch this brief, official N97 owner's guide from the folks at Nokia!
For this tutorial, you will need some water, table salt, a few square feet of aluminum foil, a needle, some steel wool, a pair of wired alligator clips, a thick paper towel and a voltmeter to test out your new battery.
Can't quite figure out how to insert the SIM card and/or battery into the HTC HD7? This clip will teach you how. Whether you're the proud owner of an HTC HD7 Windows Phone 7 smartphone or are merely toying with the idea of picking one up in the near future, you're sure to be well served by this official video guide from the folks at T-Mobile.
