Charge Lithium Battery

The Stun-Gun In this article, I'll show you how to make a small, weaponized highlighter. Before I get into how to built this device, let me warn you. This device is harmful! When used, it can cause burns and/or serious muscle spasms. The voltage is potentially deadly! DO NOT ...more

Written by JD Coverly of WonderHowTo World, LoadSave:We've spent the last week with Sprint's new phone, the HTC Evo 4G. Specification wise, it's better than Verizon's Incredible and T-Mobile's HD2. Apple has unveiled the new version of their phone this week and thankfully it's ...more

If you're like me, you were always jealous of the kids with rich parents who got to ride around in their own Power Wheels cars. Now that I am tall enough to sell my body and time, I find myself attaining childhood dreams like buying my own Power Wheels car. I would not have ch ...more

We've all been there before: We're in a hurry to get somewhere (often in bad weather), so we get in the car, turn the key in the ignition and.....WHUH! WHUH! WHUH! The darned battery is dead! After a stream of choice expletives (that is, if you're anything like me....;o)), we ...more

Spent the weekend with Sprint's new phone, the HTC Evo G4. Specification wise, it's better than Verizon's Incredible and T-Mobile's HD2. Apple will be announcing the new version of their phone this week. If it's comparable to leaked phone shown over at Gizmodo, then to say whi ...more

It turns out that the popularity of soft circuit electronics has leaked out of the interwebs and into the hands of the U.S. military. Soft circuit electronics allow you to literally sew electronics circuits into fabric using flexible conductive thread instead of wire. Soft cir ...more

In this article, I'll show you how to create a simple yet effective way of scaring off intruders. Of course, there are methods around this approach, but it's great for office pranks and general fun. The project requires a little background knowledge in electronics and circuitr ...more

As we enter the second half of 2018, rumors for the second season of flagships have started to emerge. On the Android side, this means the latest iterations of the Google Pixel, Galaxy Note, LG V series, and Huawei Mate. Thanks to FunkyHuawei and XDA, we now have some solid ru ...more

As awesome as the 2017 Galaxy lineup may be, few can forget the monstrous disaster that was the Note 7's exploding battery. Needless to say, the last thing Samsung wanted was another news story about a problem with the Note 8's battery. Unfortunately, that's exactly where we f ...more

While everyone was marveling at the latest drama over at Magic Leap involving employees last week, a major rumor listed in one of the reports, related to the company's flagship device, was mostly overlooked. "One current issue with the headset is battery life and charging; th ...more

[community/members/babblin5/ Babblin5] is a tenacious tinkerer. Here he shows us HowTo get a dead battery running again. How? Well, it becomes a bit involved as he splices together a cordless drill, voltage regulator, alligator clips, a circuit board and a hand crank. What w ...more

Will smartphone batteries ever last as long as we need them to? Perhaps not. That's why we rely on external batteries to help us stay connected for hours, even days, longer than usual. But in 2018, you don't want to use just any external battery. Modern Android phones have fas ...more

Not sold on Apple's iPhone claims of battery performance? I will show you some simple tweaks and tips to reduce that rapid battery drain and extend the use of your iphone between charges -free. iOS displays the battery level in the top right corner of the status bar. You can ...more

Sony Corp. is working on new battery technology that the company says would have a 40% longer life than a lithium-ion battery of the same size. Sony is planning to have the higher-capacity batteries on the market around 2020. Sony's current lithium-ion battery.. The new batter ...more

After Apple's recent fiasco, it's now common knowledge that smartphone batteries degrade over time. But aside from causing terrible battery life, a degraded battery can also trick your phone's software into thinking the device has more juice left than it actually does. I'll e ...more

Chinese tech company OPPO has been on the cutting edge of smartphone battery charging since it released its VOOC Flash Charge in 2014. Using VOOC, you can charge your battery from 0-75% in 30 minutes. VOOC Flash Charge can give a dead battery a 75% charge in 30 minutes.. That ...more

The old "my battery is dead" excuse for not calling your mother may soon be a thing of the past. A team from the Korea Advanced Institute of Science and Technology (KAIST), led by Professor Jo Byeong-jin, has developed a "wearable thermo-element" that can be built into clothin ...more

There was a somewhat recent outbreak of malware on Android, and it came from an unlikely source—the Google Play Store. Several established apps have received updates a few months ago that contained an unwanted add-on called either DU Quick Charge, DU Battery Boost, DU Boost Ch ...more

For years, Samsung has been behind the curve when it comes to fast charging. Up to the Galaxy S10, most of their phones used the very slow Adaptive Fast Charging system. Whether it was the Galaxy Note 7 fiasco or some other reason, Samsung has been reluctant to push the chargi ...more

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 be ...more

Innotek, an LG subsidiary, announced today (link is in Korean) that it has developed a 15-watt wireless charging module that can recharge a battery three times faster than other wireless chargers available on the market. LG Innotek says its new wireless charger is able to cha ...more

When the power goes out, having the ability to contact others becomes extremely important, and your cell phone can be one of the most important tools to have. But if the power is out for an extended period of time, battery life becomes a constant problem. Without the ability ...more

If you're one of the many professionals transitioning to working from home amidst the current pandemic, there's a good chance you're now realizing how far behind your at-home setup is compared to what you had at the office. If you're due for an upgrade but want to stick to a ...more

Aspiring engineers, your challenge, should you choose to accept it, has been issued by Jaguar Land Rover. Prove yourself and you can be the next in line for greatness. — Jaguar That is the challenge posed by Jaguar as they attempt to find the next generation of the best and ...more

There are many NES mods on the internet, but this one is pretty awesome. From Ben Heck forum: "My nesP is basically a no-name china brand portable media player, with the advantage of being able to play nes roms, and a nes controller hacked to the controls. First off, the but ...more

Closing apps in iOS 6 was different that what is now in iOS 7. Shown in the video below is the old clumsy way of closing apps on the old iPads. Video: . Closing the apps prevents from taking up precious memory, resources and battery charge. Simply quit of the screen with the c ...more

We've all been there. Your phone's either dead or barely hanging on with a few minutes of life left, and you only have a small window of time to charge it before you need to head out. Sure, you can charge it for the few minutes you have, but what's the point if your device is ...more

At an event in Mountain View, CA, and watched by fans via live stream on YouTube, Google announced a slew of new products today. Over the last few weeks, there was no shortage of rumors and leaks about what might be unveiled, but now the secrets are out. As expected, Google h ...more

Apple has been in hot water ever since the news that the company slows down iPhones with older batteries. The iPhone maker is now in damage control, offering customers a large, $50 discount on battery replacements. The question for you, though, is does your iPhone need a batte ...more

My OnePlus One easily gets over a day of battery life without a problem, but when I try to charge it, it seems to take just as long. For some reason, no matter what charger you plug your OPO into, it never gets more than USB-level power, meaning that charging times are more th ...more

Whether you're in high school or college, you no doubt will have your iPhone in your pocket all day long. To make your iPhone last the whole time and even help you out with your studies, these are the accessories you'll want to get your hands on. You might not think you need ...more

This is just a simple survival light source. You can use a cheap outdoor solar yard light like the one in the video from walmart. There only about 3 to 5 bucks but you can use them not only as a light source but a way to recharge AA rechargeable batteries. First, it will make ...more

"Millions of us have smartphones with the power to speed up research that will benefit billions of people around the world." - Professor Francois Grey "As mobile phones become more powerful, their computing power can be harnessed and create more processing power than any supe ...more

A common misconception is that all car batteries die. This, in fact, isn't true—the majority of "dead" car batteries just don't contain enough juice to power a car, but they can still provide enough watts to keep emergency fans and lighting running, which is great when a power ...more

bObsweep Standard and Pethair both come with their lithium-ion battery installed for you. But if you ever need to remove and replace the battery on either model, follow the walk through below. Video: . These installation instructions apply to both bObsweep Pethair and Standard ...more

Sure, Tony Stark was able to build the original Iron Man suit in a cave with a box of scraps, but can the average do-it-yourselfer replicate the EDITH smartglasses from Spider-Man: Far From Home in a similar fashion? Evidently, the answer is yes, as YouTuber Jake Laser, whose ...more

There are two types of bricks ("brick" as in "bricking your phone")—soft and hard. Soft bricks are recoverable—something has probably gone wrong with some critical system partition, causing a bootloop or inability to boot in some way. Fine. Re-flashing everything should fix th ...more

Obviously, millionaires like me don't really have to worry about an empty wallet, but for the rest of you out there, having no cash when it comes time to paying a bill can be excruciatingly embarrassing. There is nothing worse than going up to a register thinking you've got s ...more

With iOS 12, Apple is making up for mistakes from the past, with iPhone batteries being no exception. The new update builds upon both battery health and performance throttling tools introduced in iOS 11.3 by offering users more information about your iPhone's battery usage tha ...more

LG got in on the action at Mobile World Congress in Barcelona by unveiling its new G5 handset on Sunday, February 21st. It will be the first publicly available modular smartphone by a top tech giant. Video: . The Magic Slot The highlight of the G5 is undoubtedly the "Magic Sl ...more

While it's very easy to enable "Low Power Mode" on your iPhone, since Apple will prompt you to enable it once your battery dips below a certain percentage, it's not as obvious as to how to disable it. If you start charging your iPhone, it won't automatically disable it right a ...more

Last week, Magic Leap gave us an additional peek at its Lumin OS and more tutorials that show how its device works with virtual content. But details about the hardware wasn't included in the array of new information. Now, thanks to a developer with a keen eye for source code, ...more

Those going on crazy off-road adventures, taking their inspiration from various SUV commercials, are likely to encounter many unexpected, all-terrain dangers. Automaker Mitsubishi is ready to put those dangers in the foreground with augmented reality warnings on a heads-up-di ...more

Don't drink it all. When your battery is dead, add wine. Now, thanks to video creator Kipkay, we learn a very unconventional hack. The acid in the red wine reacts with the acid in the battery to give it just enough of a boost to start the car. Sounds like we should start pack ...more

Creator Funditor claims right off the bat that this survival tip could save your life. We think that's slightly dramatic, but it shouldn't take away from his video's utility. The strategy is simple: use the electric charge of the battery and the conductivity of the staple to ...more

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 h ...more

Working from home is going to be a reality for more people than ever. With Twitter CEO Jack Dorsey announcing that his employees will be working remotely for an extended period of time (and even permanently, in some cases), the workforce is rapidly changing. More companies are ...more