Build a Battery Powered Fan

If running out of battery while out and about weren't bad enough, the experience is a lot more painful if your iPhone has a semi-untethered jailbreak. With that kind of jailbreak, when the iPhone dies, all of the mods will be disabled after the device powers back up. Fortunate ...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

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

The guide will walk you through a power switch replacement on a bObsweep Standard or Pethair. It includes: Opening and closing bObsweep Removing and re-installing the battery Removing the main board and power switch Video: . The instructions for this repair are the same for b ...more

While the Apple Watch does have up to 18 hours of battery life each day on a full charge, your results will vary depending on how often you use it and what you're actually doing with it. If your Apple Watch isn't lasting all day long, we've got some battery-saving tips you ca ...more

Your iPhone's almost out of battery power, there's no wired or wireless charger in sight, and you left your portable power bank at home. You don't want your battery to die, but you still need to use your iPhone. This is when Low Power Mode comes in handy, but you could be wast ...more

The prevalence of smartphones has had profound effects on how we communicate, view media, and preserve memories, among other things. But all of these new forms of doing things are snatched away from us as soon as our phones lose power. While work is constantly being done to st ...more

Before, the only way to really tell how your iPhone's lithium-ion battery was performing was to use tools such as Geekbench and Battery Life, but now Apple has included some quick battery health checks right into iOS 11. This feature is only available starting in iOS 11.3, so ...more

This video will show you how to set power saving mode in Samsung Galaxy S5 phone. Power saving mode will save or extend your battery life. So power saving mode will prevent unnecessary data usage. This mode will reduce screen brightness or turning off vibration and that will s ...more

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 savi ...more

"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. Lithium-ion batteries power tons of consumer electron ...more

LineageOS, the successor to the wildly popular CyanogenMod custom ROM, is adding an interesting new feature that could potentially save lots of juice when your battery is running low. When enabling "Extreme power saver" mode, which can be set to kick in automatically at 15%, y ...more

When shopping for a new smartphone, you'll encounter comparisons and spec sheets that are filled to the brim with values like mAh, GB, and GHz. To the average consumer, however, these values are meaningless, so we end up looking at which device has the specs with the highest a ...more

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 ...more

After learning that you'll need to spend at least $74 on a special charger and a USB Type-C Lightning cable to enable fast charging on the new iPhone X and iPhone 8 models, you may be wondering why you can't just use the standard Lightning cable. While we can't answer why Appl ...more

If your iPhone can't last a full day without being recharged multiple times, something's wrong—but it might just be working harder than it needs to. So before you take a trip down to the Genius Bar, try some of the tricks out first to conserve your battery power throughout th ...more

You're smashing your keyboard to increase your screen brightness, yet it won't go any higher, but you know you've been able to set it higher before. Angered by this, you get up and move your laptop, only to suddenly notice that the display does in fact get a lot brighter. Now ...more

If you've never heard of geocaching, it's kind of a grown-up treasure hunt you play everywhere in the world. GPS coordinates are given as clues and the players must find the cache box. There is usually a log book to write your name and a small toy or present to collect. The l ...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

You see the status bar nearly everywhere on your iPhone, and it almost always looks the same. But you can use a few tricks to spice things up a bit — without jailbreaking your iPhone. The status bar's background on iOS is transparent, so you'll see different colors and gradie ...more

While many of the features in the iPhone 16 and 16 Pro series build on what we've seen in previous iPhone models, Apple has packed the 2024 lineup with iOS 18 and plenty of fresh upgrades worth considering. The iPhone 16 Pro and 16 Pro Max boast several groundbreaking feature ...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

The Galaxy S5 comes with an awesome feature for those times when you're running low on battery life with no charger in sight. Ultra Power-Saving Mode allows you to cut back on non-vital services and convert your phone's display into a juice-saving grayscale mode to greatly ext ...more

While most are still fighting through a somewhat ridiculous invite system, OnePlus is starting to ship out a decent number of their One flagship devices to those who were able to obtain one. We all know that the price is the phone's biggest selling point, but there's still mu ...more

If you want to get started sniffing Wi-Fi networks, you usually need to start with a wireless network adapter. But thanks to a Wi-Fi sniffing library written in Arduino and the ultra-cheap ESP8266 chip, you might not need one. For less than $10 in electronics, you can build a ...more

With all the controversy around the Pixel 3 XL, the regular-sized Pixel 3 might be the phone of choice for most users. Thanks to the huge boost in screen size, the little brother is now an easier pickup for those who like a bigger screen. And once more, the internals are the s ...more

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 you ...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

It appears there are endless things you can do with Coke. The Nokia Coke-powered phone is not in production, but certainly an interesting idea. Designed by Daizi Zheng, the Coke phone is an eco-friendly solution to charging your cell. Zheng's proposition: This is a client p ...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

The switch from Dalvik runtime to ART in Android Lollipop has rendered the Xposed Framework useless until a new version is released, but Xposed isn't the only way to mod a phone. Before the days of Xposed, system mods were installed by flashing them in a custom recovery. It's ...more

If waveguide display maker DigiLens has its way, enterprise businesses and consumers will soon be able to purchase smartglasses for less than $500 — as long as they can supply their own computing and battery power. On Monday, the company unveiled DigiLens Crystal, a reference ...more

UPDATE: The OnePlus 8 Pro has been released! Check it out on the official OnePlus website or read through the rumored specs we've left below for posterity. Even though OnePlus no longer uses the motto, they still embody the spirit of "Flagship Killer." OnePlus is known for of ...more

The "controversial" Pixel. No phone in the history of Google's Pixel lineup deserves this title more than the Pixel 3 XL. For some (including myself), the design is a welcome change that embodies the modern design of 2018 flagship phones. For others, it has an ugly huge displa ...more

Straight out of the box, the Nexus 5 is an awesome device, but even it can be faster with better battery life. Luckily, one of the things that makes it so awesome is that there are tons of developers creating mods for it, since it runs stock Android by default. When it comes t ...more

My phablet has incredible battery life, but that doesn't mean I wouldn't like it to last even longer. Unlike the Samsung Galaxy S5, the Note 3 does not come equipped with Ultra Power Saving Mode, which can keep the phone running for another 24 hours with only 10% power remaini ...more

Low Power Mode (LPM) decreases the amount of battery your iPhone uses by disabling background app refreshing and automatic downloads, locking your screen after 30 seconds, and more. While it's only meant to be used temporarily, if you're struggling with battery life, you may w ...more

Smartglasses maker Vuzix rushed out of the gate to be the first company to announce hardware powered by the Qualcomm Snapdragon XR1 for augmented reality wearables, but now the company is buying time until the product is ready to ship. On Thursday, at the Augmented World Expo ...more

It's no secret that Google is all about AI. In their eyes, machine learning is the future of software development, and you can see evidence of this all over the last couple Android updates. They've used it to power all sorts of features in their Pixel phones, and they've even ...more

Rooting. As an Android user, I'm sure you've heard the word once or twice. According to Kaspersky, 7.6% of all Android users root — but for the 92.4% who don't, we wanted to talk to you. Rooting allows you to remove barriers and open Android to a level of unprecedented contro ...more

Samsung's Galaxy S9 is a powerhouse, driven by the Snapdragon 845. Still, this SoC lags behind the A11 Bionic chip that's inside the iPhone X — meaning you'll need a few tricks in order to squeeze out some extra performance from your phone. Fortunately, there's an app made by ...more

Let's say you got a little careless while installing apps from unknown sources, and now your Android device has been infected by malware. Or perhaps your friend has come to you for help after they had haphazardly installed random apps until their phone was filled with popups a ...more

The AMOLED display on the Nexus 6 wastes no power to show black pixels. This is because pixels on such a screen emit their own light, and black can be easily achieved by simply not lighting any given pixel. But with Android Lollipop's bright and colorful motif, black pixels a ...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

The Samsung Galaxy S5 was just officially announced at Mobile World Congress. The new flagship device will be available worldwide beginning April 11, 2014, including all major U.S. and international carriers. With over 200 million Galaxy devices sold to date, the S5 doesn't st ...more

Apple has four iPhone models for the remaining months of 2020, but the most impressive ones are the iPhone 12 Pro and iPhone 12 Pro Max. While the iPhone 12 and iPhone 12 mini are great smartphones, the "Pro" models offer more advanced features, especially for photographers an ...more

With smartphone cameras and software getting better and better every year, more and more users are getting passionate about photography. So when you're shopping for a gift to get someone, if they have a smartphone, chances are they'll more than appreciate some tools and access ...more

One thing you can expect from Apple is that big features work right out of the box. The company designs its products to be easy to use for any experience level, so you might expect the same to be true for 5G, one of the biggest selling points for the iPhone 12, 12 mini, 12 Pro ...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

Do you have two dollars and a water bottle? Then you can put together this simple but awesome solar-powered lantern that will provide more than enough light to read by at night. To begin, you'll need a water bottle, of course, some string, and optionally, a little bleach. You ...more

Fireworks are the best part about the Fourth of July and other celebrations, but they can easily cause accidental injuries. It's both safer and more fun to set them off remotely, so we'll hack some standard fireworks with nichrome wire, a relay, and an Arduino to ignite remote ...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

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

The Sony Xperia XZ Premium brought 4K HDR to a Sony flagship along with some competitive internals, while the Xz1 brought some powerful specs in a more midrange, traditional form factor. Now, Sony has unveiled the XZ2, which sees not only an upgrade in performance, but a compl ...more

The fact that this guide even exists is a downright shame, but that's neither here nor there. The truth of the matter is the iPhone 7 and 7 Plus don't have 3.5 mm headphone jacks, and since they use the Lightning connector to output audio, it's hard to charge your phone while ...more

Hello, Null Byte! Mkilic here. I doubt anyone knows I even exist on Null Byte, so hopefully this post will allow me to become more involved in the community and also help me learn even more. This project is somewhat similar to OTW's article here, and pry0cc's here, in which b ...more

Seemingly lost in the fanfare of the numerous features and specs of the Nexus 5 were a few highly innovative and handy add-ons—a low-power step detector and step-counting sensor—useful for tracking fitness data. Both of these sensors are supported by Android 4.4 KitKat, but t ...more

The ESP32-CAM is a convenient little camera module with a lot of built-in power, and you can turn one into an inconspicuous spy camera to hide in any room. There's only one issue: it does omit a USB port. That makes it a little harder to program, but with an ESP32-based board, ...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

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