Lithium has a long history of causing the devices it powers to overheat. In fact, the same process that gives your cellphone its charge is the process that causes Samsung Galaxy Note 7s and “hoverboards” to catch on fire. The reason this happens is that lithium ion batteries contain a high amount of energy in a relatively small space. Lithium ion batteries have an energy density of 160 watt hours per kilogram (Wh/kg), which they produce with a positively charged cathode (made from a metal oxide), a negatively charged graphite anode, and a liquid electrolyte (which contains lithium salts) that enables the electrical flow between the nodes. If these nodes are closer than 10 microns in distance away from each other, things get heated, so a permeable polyethylene separator is used to keep the battery from overheating. Of course, when a battery is made more compact, there is far less margin for error.

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If the anode and cathode aren’t sufficiently far enough from each other, it short circuits and triggers a process known as thermal runaway — chemicals inside the battery begin heating up and the separator becomes compromised by the heat. By the time temperatures inside the battery reach about 1,000 degrees Fahrenheit, the electrolyte can ignite or, if exposed to oxygen in the air, literally explode.

Still, this doesn’t mean your phone is a ticking thermal bomb that should be disposed of immediately (unless it’s one of the Samsung models mentioned above). Despite these high profile instances of malfunction, lithium ion batteries are generally safe. Considering there are billions of laptops, cellphones, and computers powered with these batteries, incidents involving defective lithium ion batteries are relatively rare. Still, as our devices become more compact, so too do our batteries, which only compounds the issues of developing safer, less volatile systems for storing power. For now though, just be mindful when using your fire emoji when your phone’s charging.

For more battery solutions, check out PSafe’s PowerPRO battery-saving app — it reduces battery consumption, which means less risk of overheating your battery.

Millions of Americans experience this feeling of helplessness daily, realizing that they cannot continue through their day without their essential pocket-sized computer juiced and ready. While some may argue that we’re too dependent on our devices, that’s precisely why having a fully-charged phone is such a big deal  — whether it’s for something minor like having music to listen to at the gym, or for more important things like calling your parents or your spouse, there are few times during your day when you don’t rely on your mobile device.

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This is where mobile chargers come in handy. Having a fun-sized AC outlet in your purse or pocket means you can go longer without having to stay stationary and bound to a USB cord. Of course, most people don’t want to be bound by a USB plug at all, even when moving. Mobile chargers can get tangled by moving arms, get caught on objects and passersby, and aren’t exactly the most fashionable accessory to have on your person. If this is something that matters to you, we recommend a mobile charger that requires the least time possible to get you off the cord and on to whatever your day has in store.

Regardless of whether you’re Team Apple or Team Android, some chargers work great for both. The Aukey Quick Charge 2.0 is one such charger, which sports a 10,000 mAh battery and USB ports for two. The drawback? It can only charge one smartphone quickly at a time. Still, what makes this device worthwhile is it’s price tag — at only $30, it’s an effective, ergonomic solution for the amount of power it packs. If that’s not enough juice for you, there’s the iBattz Mojo Battstation Optimus Charger. This behemoth of a battery holds 20,400mAh of charge and can power two phones at once. Though it carries an $80 price tag and requires up to 16 hours to fully charge, there’s no battery on the market at that price point that lasts longer or charges smartphones faster.

The Fastest Android Chargers
For those of you relying solely on Google’s OS, there are quite a few charger models that are ideal if you’re under time constraints. The Qualcomm Quick Charge 3.0 can charge some devices up to 80% in approximately 35 minutes, but phones with a 9V/2A charger will experience the best results from this brand and model. Still, the Quick Charge is quite efficient with its charge consumption, and is all but guaranteed to remain cool while your phone is connected. Additionally, for those of you who are mindful of the environment, there’s the EasyAcc Solar Power Bank. While this is most effective for daytime use, the Solar Power Bank can charge two Androids at once, and can charge up to 350mA on sunny days. Though it’s (relatively) slower than the other models mentioned, it’s a device you don’t want to sleep on.

Though a good power pack goes a long way, so too does a great battery-conserving app. Fortunately, PSafe has an app that does exactly that; give the PowerPRO app a try, and never worry about a low-battery night out again.

Range of Temperatures
If you throw your smartphone on the passenger seat while using Bluetooth and a streaming music service, is your phone stuck in the sun the whole time? If so, you may cause your phone to overheat, not only shutting down your phone (and your direction app), but potentially damaging your phone’s battery in the process. A cold environment won’t help your battery last either. Your phone’s charge will decrease while you are in the cold. Yes, it is temporary, but frequent cold won’t do it any favors.

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Bad or Poor Signals
When you are in an area with a spotty signal, your phone is probably working really hard to find you a better connection. Switch to airplane mode to prevent a drain on your battery. Just remember to turn it on again when you get back to civilization.

Notifications Galore
Do you allow every app you’ve ever downloaded to send you notifications? If so, you may want to rethink that decision. Every time an app has something to tell you, there’s a good chance you will want to check it out. Doing so won’t do your Android’s battery any favors. Sort through your list of app notifications and only allow the apps you actually need.

Android Battery Drain
Now that you know what not to do, you can keep your phone better charged and ready for anything. Just make sure to install PowerPRO by PSafe so you know where you stand when it comes to your cell’s battery life.

Samsung Galaxy S7 Edge

The S7 Edge battery is an easy sell. The battery is fully charged in one and a half hours. That’s as three episodes on Netflix fast. Don’t have time for a binge? By charging your phone for just ten minutes, you can get four hours of cell phone use. If you use your phone at a normal usage during the day you should still have 25 to 35 percent battery life at the end of the day. It’s known for it’s exceptional battery saving during standby time so you rightfully don’t get penalized for not using your phone.

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Xiaomi Mi 5

This battery is a bargain for your buck, and it’s clear why this phone is dominating the Chinese markets. This battery will last you all day, and has been able to last for 8 hours and 55 minutes straight. The phone will charge super fast for those times you only have fifteen minutes before making the next train.

OnePlus One

Are you one of those people who are addicted to your phone? Never fear, the OnePlus One is the phone for you. This amazing battery will last you thirteen hours of heavy use, constant internet, phone call and video viewing. For those of us who sadly have to be away from our android during parts of the day, this phone battery will easily last you a day and a half.

Samsung Galaxy Note 5

Some may say that the best parts of the Note 5 are the amazing camera, huge screen, and stylus features. But their missing one. The battery life. Again, those heavy phone users will have no fear. At the end of busy cell phone day, you’ll still have around thirty percent of your battery life left.

With these phones you’ll never have to worry about a dead battery again. Want even more battery life? Download PowerPro by PSafe to add on to the amazing battery saving powers of the normal Android Phones.