Homemade Battery Charger

As first reported by Korean media outlet Yonhap News Agency, Samsung has issued a global recall for all of its Galaxy Note7 models (except China, it seems). This unprecedented move will surely do serious damage to the Note brand, and even Samsung itself. The recall comes in t ...more

The day has finally come. About eight months after unveiling Magic Leap One: Creator Edition, on Wednesday, Magic Leap made the device available for order through a reservation page on its website. The package includes the Lightwear headset, Lightpack wearable computer, and t ...more

Not all smartphone chargers put out the same amount of current. The adapter in your car probably charges your phone a lot slower than the one plugged in at your bedside, and if you use wireless charging, it may be a bit slower still. Even considering the variance in listed am ...more

There are multiple ways to turn your iPhone 13, 13 mini, 13 Pro, or 13 Pro Max on and off, but it can be confusing because those ways will either shut down, power on, restart, or force restart the device. If you've been using Apple's smartphones for a pretty long time, chance ...more

WonderHowTo is a how-to website made up of niche communities called Worlds, with topics ranging from Minecraft to science experiments to Scrabble and everything in-between. Check in every Wednesday evening for a roundup of user-run activities and how-to projects from the commu ...more

Starting with the Priv, BlackBerry's become an Android manufacturer. This move gives BlackBerry's phones access to Google's sizable app store, but it also presents several hurdles to keeping the security brand they've built intact. For example, Android encryption still lags b ...more

Earlier this year, with the Developer Preview, we got a tantalizing glimpse of Google's upcoming Android 9.0 Pie and a whole slew of new features that comes along with it, such as iPhone X-like gestures and improved security features, to name a few. With its announcement at Go ...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

There's a lot of conflicting information out there when it comes to the best habits for charging a smartphone's battery, so let's clear some of that up right off the bat. Lithium ion batteries (the type used in most modern electronics) start to lose their ability to hold a cha ...more

The holidays are here. From the week of Thanksgiving until the end of the year, retailers will be offering massive discounts on your favorite items. So if you're looking for smartphone accessories, this is the time to buy. From Walmart to Best Buy, there are deals everywhere o ...more

The next big iOS version for iPad, iPhone, and iPod touch was revealed by Apple at WWDC 2018 and dropped for everyone on Sept. 17, 2018, less than a week after Apple revealed the new iPhone lineup. We've rounded up all the big picture items and secret features and changes we c ...more

The introduction of smartphones has been what some may see as a step backwards in technology regarding batteries. The first cell phone that I had would last 3-4 days on a single charge; however, the lack of functions minimized the use that is saw. The iPhone's feature-rich pl ...more

Like most Android devices, the Nexus 7 suffers from its fair share of battery gripes. Nobody wants to see that dreaded "connect charger" warning pop up on their screen. NOBODY. Yet it probably happens to you every day nonetheless. What can you do about it besides charge, charg ...more

When you're working, in class, or just browsing the internet away from an outlet, the last thing you want is to string your devices along with a portable charger that can't recharge them as fast as you need. The Ultimate Charger: Portable Multi-Device Power Bank is exactly wha ...more

Soon all Android users will be able to use Samsung's cool Soundcamp app to write and record music. The announcement was made at the Samsung Developer Conference 2016, stating that the app, which was released last year for Samsung devices only, will become available to all phon ...more

We've all been there—you're away from home, your phone's battery is quickly nearing zero, and you forgot to bring your charger. "Hey, does anybody have an iPhone charger?" you ask. Crickets. If you could understand cricket-speak, you'd know that they too were saying "Sorry, bu ...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

In the case of Apple Watch v. Fitbit, the winner comes down to the judge at hand. Apple currently offers two smartwatches — the Series 5 and the Series 3 — while Fitbit offers three models — the Fitbit Versa 2, Fitbit Ionic, and Fitbit Versa Lite. Whatever your assumptions abo ...more

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 And ...more

When Samsung announced its new Super Fast Charging 2.0 system was based on USB PD, the industry rejoiced. By using an open standard, Galaxy users could pick from hundreds of third-party chargers in addition to first-party options from Samsung. Trouble is, this never came to fr ...more

Another year, another battle between Samsung and Apple. We recently saw what Samsung is bringing to the table this year with the release of the Galaxy Note 10+, and now it's Apple's turn. For those who want a truly large device, Apple is offering the iPhone 11 Pro Max. Let's s ...more

|Choose Your View: Quick Bullet Points | Detailed Descriptions Android's newest major update is a special one — it's the tenth full version of the world's most commonly used operating system. The latest release, dubbed simply Android 10 (codename Android Q), was first showcas ...more

The new iPhone 5 was just revealed yesterday, and it's 18 percent thinner and just 1/5 the weight of its 4S predecessor. It's also taller with a larger screen, which gives you a fifth row for apps now. As far as speed is concerned, it has a speedy A6 chip and can tap into wire ...more

Having instant access to monitoring your battery level is critical, especially when you're traveling or forget your charger at home. You need to know how much juice you have so you can adapt accordingly. If you have the featured enable on your Samsung Galaxy S3, you can quick ...more

Whether you are sending your phone in for repairs or finally selling it to upgrade to a new flagship, you are going to need to make sure all of your personal data is removed from your device. Deleting your messages and pictures manually is a good to protect yourself from aver ...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

With the holidays fast approaching, our smartphones are more important than ever — keeping in constant contact with family, organizing trips and gatherings, and online shopping is only a taste of what we put our smartphones through. All of that means a big strain on your smart ...more

Night Shift is arguably the biggest feature found in iOS 9.3, but if your phone is in Low Power Mode, you can't use it. Some users have also reported that Night Shift causes battery drain, so using Low Power mode when you don't have access to a charger could be necessary when ...more

If you're in the market for a new smartphone and want nothing but the best of the best, now's the time to act. Some of the greatest phones money can buy are being released as we speak, while others are still in their prime and will continue to be for most of 2024. Whether you ...more

A smartphone is pretty much useless with a dead battery. When you're out and about, it can be hard to find a place to plug in (if you remembered your charger, that is). But this DIY solar panel backpack made by electrical engineer Theodore Protasiewicz will help you use the sc ...more

In the perpetual search for a renewable and convenient energy source, our bacterial friends have once again stolen the limelight. Since bacteria multiply so fast, they are the ultimate renewable resource. And since they are living organisms, their metabolism produces by-produ ...more

NFC, or near-field communications, is a hardware feature that has been built into most Android phones for the last four years. It's essentially a low-power data connection that can be used to initiate a quick command by bringing your device within range of a compatible receive ...more

While there are many ways to see the exact battery life left on your iPhone, you can take all the work out of it by making your iPhone verbally tell you the current percentage every time you start or stop charging it. Best of all, this trick works whether you use wired or wire ...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

The Google Nexus 6P, manufactured by Huawei and released a little more than a year ago, has been a well-received smartphone in general. It sports front-facing stereo speakers, an awesome camera, a massive screen, supports all US carriers, and doesn't allow the infamous Qualcom ...more

Inductive charging is already a reality on popular smartphones like the Samsung Galaxy S III and Google Nexus 4, and Apple has recently published a patent that would make inductive chargers a reality for the iPhone. There are also several phones that have the capability for wi ...more

Video chatting has become an important factor in the overall smartphone experience. Even just a few years ago, 37% of teens were making video calls on a regular basis, and that number has surely grown. 85% of households with infants have used video chat apps to call relatives ...more

There are plenty of jokes out there about the battery indicator on iPhones. Some people complain about their iPhones dying randomly at 11%, while others see hours of use at the 1% mark. Despite its inconsistencies, that battery percentage is a useful tell for how desperate you ...more

Well, get ready to have your battery depleted if you use Google Photos. The backup app has just removed the "Backup While Charging" feature in their app. The feature was found in the settings menu and it was one of the best features that Google Photos had. It allowed you to o ...more

It's been over two whole years since the Samsung Galaxy S3 was released, so let's face it—our beloved GS3, once an iconic heavyweight in the tech arena, is almost as washed up as Sylvester Stallone. Mine has been suffering from bouts of lag, and the battery just isn't lasting ...more

There are plenty of times when we need to charge our phones but don't have access to electricity. Whether the power is out do to storms, you're camping and run out of juice, or you're in a Tom-Hanks-like Castaway situation, it's important to have a charged phone in case of an ...more

You watched the live stream, pored over the specs, and are now super excited for the Google Pixel 4. But specs don't tell you everything. After using the Pixel 4 XL for over a week now, we've found several things you wouldn't know without getting your hands on the phone. Most ...more

The battery on your iPhone can go from 10% to completely dead in a matter of minutes, or at least it can feel that way. Apple does prepare you with an alert when you hit the 20% and 10% mark, but it's easy to forget to charge your iPhone before it dies even with those notifica ...more

Since Android is an open source operating system, that means anyone with a little know-how can download, view, and even alter its underlying code base. Manufacturers do it all the time, which is how we end up with skins like TouchWiz and Sense. But when Android's awesome third ...more

Whether you want to give a gift that your loved one has wanted all year or one that they never even knew existed, there's something awesome for everyone in these gifts. Just as exciting as their innovative features is their price. We've found the best deals on gadget gifts fo ...more

Whether you have or are getting an iPhone 12, 12 mini, 12 Pro, or 12 Pro Max, the default way to check the current battery life is via the tiny battery icon in the top right of the status bar. But that does not accurately depict how much juice is left, not as a specific percen ...more

The Moto G7 Power is a phone that screams battery life. From its display resolution to the massive battery, it was designed for those who hate to recharge each night. But unlike other battery-focused smartphones, it comes at a price almost anyone can afford. Lenovo, Motorola' ...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

We've had the pleasure of test driving the ASUS Transformer Book T100T for the last couple of weeks, and for a $400 Windows 8 machine, it's impressive to say the least. Now don't get me wrong, a Surface Pro this is not. But unless you plan on heavily gaming or doing other pro ...more

Planning a vacation overseas can sometimes feel overwhelming with the number of things you need to remember before heading out. Since smartphones keep us connected at all times, it's essential that you have everything you need here as well. Unexpected events can arise while on ...more

Using a technology we like to call "Hive Computing," several Android apps allow you to contribute idle processing power to help further scientific research. This basically means that when you're not using your phone or tablet, it can join forces with other idle devices to form ...more

It was the star of the show, but now that Android L has been released for preview to Nexus 5 and Nexus 7 owners, there's a lot that Google didn't tell us about their latest mobile operating system, rumored to be called Lollipop. First off, if you haven't already installed the ...more

Since the Razer Phone's announcement in 2017, we've seen a new subgroup of phones emerge. Gaming phones are now a thing, leading to companies like ASUS creating phones that are thoroughly optimized for the mobile gaming experience. And with their second iteration, they perfect ...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

The newly-announced Moto G7 Play offers some of the same upgrades as its sibling, the Moto G7, but at a much lower price. The upgrades are pretty significant when compared to last year's Moto G6 Play, taking this phone from the "only if you're on a strict budget" category into ...more

Even if my phone has only 1% of battery life left, I'll keep using it until I can get to a power source somewhere. Most times I never make it to a charger, and my device eventually powers down on its own. Yes, there is a low battery warning, but it'd be more helpful if we cou ...more

Samsung has just announced the Galaxy Note 10 and 10+. These are the latest and greatest from the largest smartphone OEM in the world. Plenty of numbers and specs have been thrown your way to showcase how good the Galaxy Note 10 is, but we wanted to simplify all this for you a ...more

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 ...more

The punch hole design of the Samsung Galaxy Note 10 has challenged users to find a clear way to deal with it. Although it's less intrusive than a notch, if left unaccounted for, it can be just as much of an eyesore. One of the more creative ways we've found is to use as a batt ...more

Though not as flashy as Face ID and other features, Low Power Mode has become one of the unsung heroes of iOS. When you're away from a charger, enabling this feature will dial back performance and networking to help you eke out up to three extra hours of battery life. If your ...more