Many people think that batteries are all the same and at most they know that they differ in capacity. But this knowledge is not enough to understand modern energy storage devices. In fact, the differences between them are much more important than they might seem at first glance. Unfortunately, device manufacturers do not give a choice of the battery that is built into them, but you can choose another manufacturer or simply abandon the gadget. If you have ever bought a device with a battery or are just planning to buy one, then it is better to read the materials provided in this article.
You can charge your phone in different ways, but the battery in it must be correct.
What kind of batteries are there in phones?
It just so happens that historically, lithium-ion batteries (Li-ion) were installed in smartphones and other similar devices. They do not have a memory effect, are quite durable and not very heavy. We can say that everything about them is good. Well, or it was good up to a certain point.
Now manufacturers have begun to switch to a new type of battery called lithium-polymer (Li-poly). This type is more universal and suitable for various types of consumer electronics. Considering the overheating problems of lithium-ion batteries, the transition to a new type is good news.
How to extend the battery life of Huawei and Honor smartphones.
Battery safety, especially in the wake of stories of exploding smartphones, is a serious issue and an important topic of discussion. Let's figure out what they are and why you need to pay attention to them when choosing and especially when storing.
Why do we start to run out of smartphone power?
When the very first smartphones appeared, their batteries lasted users for 1-2 days. This can easily be explained by the fact that we spent less time on smartphones. There weren’t so many messengers and social networks and entertainment resources
Nowadays we hardly get out of our smartphones. They contain news, a navigator, VKontakte, an audiobook and your favorite music. In general, the smartphone has become the center of our lives
Remember how the dwindling charge of a smartphone makes us nervous. How we begin to worry when less than half the battery remains. Will we have enough until the end of the day? God forbid you run out of charge on your smartphone - you won’t be able to read on the road, you won’t be able to watch videos, you won’t be able to write on messenger, you won’t even be able to call a taxi.
Buy Oukitel K12, 10,000 mAh for RUB 16,500.
How do lithium-ion batteries work?
Few people know, but the lithium-ion battery appeared back in 1912 , but was used extremely rarely until Sony paid attention to it in 1991 and began actively introducing it into its cameras, players and other devices.
A quarter of smartphone owners miss removable batteries. Why?
The “new” type of battery turned out to be relatively inexpensive to produce, had a high energy density and did not have a memory effect, that is, it could not be damaged by frequent charging at half the capacity.
These batteries consist of two positive and negative electrodes separated by a liquid chemical electrolyte such as ethylene carbonate or diethyl carbonate. Due to the characteristics of the chemical composition, such a battery can only be rectangular . This is why L-shaped batteries in smartphones are often just two batteries connected to each other.
This is how a battery can swell if there is something wrong with it.
The capacity of a lithium-ion battery decreases over time. The more charging cycles, the lower the battery capacity. This battery also has self-discharge properties. It can run out of charge when it's just sitting there and not being used. Even separately from the device.
How to turn off background apps and save battery
A serious disadvantage of such batteries is that the electrolyte in them becomes unstable at extreme temperatures and punctures of the shell. This leads to “heat exhaustion” and combustion . True, you shouldn’t immediately put your phone away in a room with concrete walls. This happens very rarely - it's just possible. To prevent this from happening, special controllers are provided that will do everything to prevent the battery from overheating.
***
As you now know, the location where the battery is located in the phone was chosen by cold calculation during production . Weight, dimensions, volume of the chemical “package”, capacity, accumulated energy, durable shell for reliability and safety, methods of extraction and maintainability have led to the almost complete disappearance of removable batteries .
Now the manufacturer is forced to experiment with L-shapes , placing heavy components so that the smartphone does not fall out of the hand, and much more. Companies are obliged not to repeat the design mistakes of the exploding Samsung Galaxy Note 7 - after all, jokes with electrochemical batteries can end in tragedy.
More scientific facts
Write in the comments how critical you think it is for manufacturers to abandon removable batteries and whether you are willing to put up with a non-removable design for the sake of increasing energy density in new smartphone models, or send a message to us on VKontakte @NeovoltRu.
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How do lithium polymer batteries work?
Lithium polymer battery technology is newer than lithium ion. The first such batteries were created in the 70s of the last century and only recently appeared in smartphones. For example, Samsung made the switch to lithium polymer batteries only with the release of the Galaxy S20 series. Although others have been using the technology a little longer.
What to do if your phone battery is swollen
Lithium polymer batteries also use positive and negative electrodes, but the electrolyte inside them is not liquid, but solid, porous or gel-like. As a result, the risk of thermal exhaustion and electrolyte leakage in such batteries is much lower. In addition, they are more durable and can even bend to a certain level. This is especially useful for certain types of devices, especially those used in challenging environments. In short, they are a little safer , but they still use overheating protection systems.
The main disadvantage of this technology is the significantly higher production cost. Lithium polymer batteries have a shorter life cycle and store less energy than lithium-ion batteries of the same physical size.
The batteries need to be charged. It is harmful for them to be discharged.
How to restore a lithium battery after a deep discharge
If the device is not used for a long time, a deep discharge may occur. The voltage drops to unacceptable levels, the device is completely turned off by the controller and it cannot be charged from the outlet. In this case, the battery can only be restored by unsoldering the protection system. Then power is carried out using a special device, for example, Turnigy Accucell 6. The device itself will monitor the battery recovery processes.
Using the “Type” button you can select the charge program. Click on the “Start” button, then for Li-ion – 3.5 V, for Li-pol – 3.7 V. The current should be set to 10% of the rated capacity of the battery. To do this, press the “+” and “-” buttons. When the value reaches 4.2V, the mode will change to “voltage stabilization”. The device will emit an audio signal when charging is complete, and the message “Full” will appear on the screen.
When the battery is swollen
When the battery degrades, physical deformation may begin. The swelling makes the device unusable, but you can try to repair it. You need to find a kind of cap on the battery, which is located under the sensor board. Next you will need a needle or nail. Pierce this cap; this must be done carefully, separating the upper part with the sensor board and contacts from the battery case. Wait until all the accumulated gas comes out of the housing, then replace the metal plate. To do this you need:
- place the battery on a flat surface;
- place a plate on top;
- it is easy to squeeze its body;
- when it is level, solder the sensor board back;
- Cover the puncture site with waterproof glue.
Fully charging and discharging your phone battery
This is the simplest, but ineffective way to restore battery capacity. You need to “drive” the battery several times until it is completely discharged, and then completely restore it. For this:
- download a resource-intensive utility (AnTuTu) or game and turn off the phone completely (until it turns off);
- connect the power and wait for 100% charging;
- repeat the previous steps 3-4 times.
Which battery is better
Both types of batteries have their pros and cons. Lithium-ion batteries offer the highest capacities at the lowest prices. Handy if you want an inexpensive phone that lasts more than a day on battery life. The disadvantages of Li-ion are gradual self-discharge . For a daily gadget this is not a big deal, but for long-term storage it must be taken into account. They are also more dangerous than their newer counterparts.
In comparison, lithium polymer batteries are safer, which is especially important these days with the development of ultra-fast charging. These batteries also have a very low self-discharge rate, so they barely drain unless you use them—a great option for gadgets that aren't used often. However, all these advantages result in higher cost, shorter life and less capacity for the same size. Although lithium-polymer batteries are lighter and even though you get less capacity per unit volume, it will be more per unit weight.
What is a graphene battery and why is it good?
Overall, lithium polymer batteries are replacing lithium-ion batteries in the smartphone industry due to their superior safety, form factor versatility, and weight characteristics in high-end and mid-range devices. Although more affordable models will likely stick with lithium-ion battery technology for a long time to come.
Energy Density
The volume of the battery itself, its nominal capacity and the accumulated energy in disassembled smartphones add up to several interesting trends.
The volume has remained almost unchanged
Battery capacity throughout the history of smartphone evolution almost always remains at the same level, increasing slightly in top flagship models and tablet phones with a large screen (for example, the Samsung Galaxy Note series or the iPhone Plus line of phablets).
The rigid frame was replaced with a soft shell
The use of a “package cell” design (polymer or foil shell) did not lead to a reduction in battery size.
At the same time, the capacity increases
The nominal capacity of the battery has increased as lithium-ion and lithium-polymer technologies have improved and the energy demand of smartphone hardware has grown.
A strong trend has emerged towards increasing the energy density of smartphone batteries . Between 2012 and 2019, the average increased by approximately 50% . It is likely that in 2020 and 2021, manufacturers will present developments to further compress energy into existing battery dimensions.
Questions about choosing a battery
On the Internet, in our Telegram chat and in search statistics, you can find the following frequently asked questions, to which I will now answer.
Is Lithium Ion Battery Safe?
Malfunctions and accidental damage to lithium-ion batteries are very rare. Therefore, this technology can be considered very safe . Even against the backdrop of the even greater safety of lithium-polymer batteries, it is still very, very high, and the cases reported in the press happen once in tens of millions of devices. So you don't have to worry. Especially if you avoid extreme heat and damage to the battery case.
Take care of the battery and it will not let you down.
Are lithium polymer batteries safe?
First of all, the safety of lithium polymer batteries is achieved due to the absence of liquid electrolyte inside. Therefore, such a battery is more resistant to temperatures and mechanical stress. In the end, yes, it is safe. It is even safer than lithium-ion battery.
Can lithium-ion batteries be recycled?
It is not only possible, but also necessary to recycle any batteries. This is a damn nasty thing that, even alone, can cause serious harm to the environment. Batteries are now accepted in a very large number of places, including shopping malls, office buildings and supermarkets. By donating batteries or a broken phone there, you will, without exaggeration, make a great contribution to the environment.
Flexible and stretchable batteries will change the world of smartphones
Top 10 rating according to KP
Editor's Choice
DELL Power Companion 18000 mAh
DELL Power Companion 18000 mAh.
Photo: DELL An external battery that can charge not only a phone and tablet, but even a laptop. At the same time, this Power Bank is compact, has a simple charge level identifier, and it is also possible to charge the battery from the power supply while simultaneously charging another device, which is very convenient. You can simply leave your gadgets for a while, and then pick them up fully charged.
Price: from 7700 rubles
Main characteristics
| Capacity | 18000 mAh |
| Maximum current | 6 GB |
| Battery | Li-Ion |
| Dimensions | 78x162x21.5 mm |
| Weight | 417 g |
| Frame | plastic |
| Charger | Simultaneously charge two devices, charge laptops |
| Other | charge indicator |
Advantages and disadvantages
Compact, two additional USB ports for peripheral devices
Ability to charge the battery only from a Dell power supply
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TopON TOP-X38, 38000 mAh
TopON TOP-X38, 38000 mAh.
Photo: TopON This power bank seems reliable at first glance. The workmanship here is at a good level, there are protective functions that will be useful in nature, where there are no greenhouse conditions with normal humidity and constant temperature. The model is convenient to use. The battery is universal - it is possible to use not only an electrical outlet for charging, but also a car socket.
Price: from 9990 rubles
Main characteristics
| Capacity | 38000 mAh (140 Wh) |
| Input voltage | 15 V, current - 2 A |
| Battery | Li-Polymer, voltage - 3.7 V |
| Dimensions | 175x105x42 mm |
| Weight | 975 g |
| Frame | plastic, waterproof |
| Charger | Simultaneously charge two devices |
| Exit | maximum current - 15 A, connectors - USBx3, universal connector, maximum current on USB 1 - 2.4 A, maximum current on USB 2 - 1 A, maximum current on USB 3 - 2.4 A, support - 12 V/15 A |
| Other | charge indicator, AC adapter, flashlight |
Advantages and disadvantages
Quality, waterproof case, ability to charge two devices
Using a flashlight drains the battery
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TFN Power Station LCD PD 15000 mAh
TFN Power Station LCD PD 15000 mAh.
Photo: TFN This model has many connectors, and many users will also appreciate the cool appearance of the model. The charging power also corresponds to the declared characteristics. Energy enters the gadget very quickly, and there is a convenient display. The housing is made of plastic and has short circuit protection for safety.
Price: from 2390 rubles
Main characteristics
| Capacity | 15000 mAh |
| Entrance | connector - micro USB or USB Type-C |
| Exit | maximum current - 2.1 A, connectors - USB. there is an adapter for USB Type-C |
| Battery | Li-Polymer, charging time - 2 hours |
| Dimensions | 140x68x10 mm |
| Weight | 480 g |
| Frame | plastic |
| Charger | fast charging support, Qualcomm Quick Charge 3.0 |
| Other | short circuit protection |
Advantages and disadvantages
Fast main charging, display, short circuit protection
Fast charging could work faster
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What other external phone batteries are worth paying attention to?
Rombica NEO Electron 10000 mAh
Rombica NEO Electron 10000 mAh.
Photo: Rombica Powerbank, which has received many positive reviews. It has a compact size, affordable price, and high-quality operation. The model can work with two devices simultaneously and supports fast charging.
Price: from 1990 rubles.
Main characteristics
| Capacity | 10000 mAh (37 Wh) |
| Entrance | connector - micro USB or USB Type-C, voltage - 5-12 V, current - 1.5-3 |
| Exit | maximum current - 3 A, connectors - USB, USB Type-C, maximum current on USB - 3 A, maximum current on USB Type-C - 3 A |
| Battery | Li-Polymer |
| Frame | plastic |
| Charger | simultaneous charging of two devices, support for fast charging, Qualcomm Quick Charge 3.0, USB Power Delivery |
| Other | charge indicator |
Advantages and disadvantages
Case quality, price, ability to charge two devices at once
Power button is missing
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Battery Baseus Bipow PD+QC Power Bank 10000mAh 18W
Baseus Bipow PD+QC Power Bank 10000mAh 18W.
Photo: Baseus Design, capacity, fast charging - users call this model very efficient and high quality. Many people are attracted by its price - not the highest on the market. A big plus is that two devices can be charged at the same time. The device is ideal for those who are going on a long trip or business trip.
Price: from 1390 rubles
Main characteristics
| Capacity | 10000 mAh (37 Wh) |
| Entrance | micro USB or USB Type-C, voltage - 5-12 V, current - 1.5-2.1 A |
| Exit | maximum current - 3 A, connectors - USB, USB Type-C, maximum current on USB - 3 A, maximum current on USB Type-C - 3 A |
| Battery | Li-Polymer, voltage - 3.7 V |
| Dimensions | 136x67x16 mm |
| Weight | 218 g |
| Frame | plastic |
| Charger | simultaneous charging of two devices, support for fast charging, Qualcomm Quick Charge 3.0, USB Power Delivery |
| Other | charge indicator |
Advantages and disadvantages
Design, charge two devices simultaneously
Short cord, large size
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HARPER PB-20008, 20000mAh
HARPER PB-20008, 20000mAh.
Photo: HARPER A model with a really large capacity, enough for several devices. For those who have something to hurry, the Quick Charge 3.0 fast charging function is available. There are two separate connectors for charging the battery itself. The body is made of aluminum, which gives this device additional reliability. For convenience, a digital display of the charge level is provided.
Price: from 1850 rubles.
Main characteristics
| Capacity | 20000 mAh (74 Wh) |
| Entrance | micro USB or USB Type-C, voltage - 5-9, current - 2-3 A |
| Exit | maximum current - 3 A, connectors - USBx2, USB Type-C, maximum current on USB - 3 A, maximum current on USB 2 - 3 A, maximum current on USB Type-C - 3 A |
| Battery | Li-Polymer, voltage - 3.7 V |
| Dimensions | 70x140x20 mm |
| Weight | 417 g |
| Frame | aluminum |
| Charger | simultaneous charging of two devices, support for fast charging, Qualcomm Quick Charge 3.0, USB Power Delivery |
| Other | charge indicator, short circuit protection |
Advantages and disadvantages
Digital charge level display, short circuit and overload protection, aluminum housing
Heavy weight, one cable included
The best smartphones with a powerful battery
Stay connected without having to monitor your charge level
Deppa NRG Power Compact 10000 mAh
Deppa NRG Power Compact 10000 mAh.
Photo: Deppa One of the most budget options on the market. Perfect for those who do not want to spend a lot of money, but expect normal results from the operation of an external battery. Here you will not find enormous power and universal devices, but the device will perform its main function properly, and this is the most important thing.
Price: from 790 rubles
Main characteristics
| Capacity | 10000 mAh |
| Entrance | connector - micro USB, voltage - 5 V, current - 2.1 A |
| Exit | maximum current - 2.1 A, connectors - USBx2, maximum current on USB 1 - 1 A, maximum current on USB 2 - 2.1 A, there is an adapter for micro USB |
| Battery | Li-Polymer |
| Dimensions | 89.5x63x22 mm |
| Weight | 175 g |
| Frame | plastic |
| Charger | Simultaneously charge two devices |
| Other | charge indicator, short circuit protection, overload protection, overheat protection |
Advantages and disadvantages
Price, convenient size, protection against overload, overheating and short circuit
Small charging indicator LEDs, slippery body
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INTERSTEP PB10DQi PRO
INTERSTEP PB10DQi PRO.
Photo: INTERSTEP A beautiful station that can charge several phones at once. There are watches that will help you know exactly how long it takes to charge your gadget. Users note that this model not only looks great, but is also pleasant to the touch. The kit includes a powerful power supply, which is also important for users. The battery meets the stated characteristics, and this is the main plus.
Price: from 6990 rubles.
Main characteristics
| Capacity | 10000 mAh (37 Wh) |
| Entrance | connector - USB Type-C, voltage - 5-9 V, current - 2-3 A |
| Exit | maximum current - 3 A, connectors - USB, USB Type-C, maximum current on USB - 3 A, maximum current on USB Type-C - 2 A |
| Battery | Li-Polymer, voltage - 3.7 V |
| Dimensions | 152x74x15.6 mm |
| Weight | 230 g |
| Frame | plastic |
| Charger | simultaneous charging of two devices, support for fast charging, Samsung Adaptive Fast Charger, Qualcomm Quick Charge 3.0, Huawei FCP, USB Power Delivery, wireless charging |
| Other | charge indicator, docking station, external battery 10DQi, mains charger |
Advantages and disadvantages
Appearance, functionality
Fragile design, high price
Battery Deppa NRG Color, 10000 mAh
Deppa NRG Color, 10000 mAh.
Photo: Deppa This model charges very quickly. You can connect several phones to the device at once, plus simultaneously recharge the battery itself. Power Bank is convenient and compact. The capacity corresponds to the declared one. The power bank does not slip in your hand, and there are several bright colors to choose from.
Price: from 1790 rubles
Main characteristics
| Capacity | 10000 mAh |
| Entrance | connector - micro USB or USB Type-C, voltage - 5 V, current - 2.1A |
| Exit | maximum current - 2.4 A, connectors - USBx2 |
| Battery | Li-Polymer |
| Weight | 188 g |
| Frame | plastic, rubberized surface |
| Charger | Simultaneously charge two devices |
| Other | charge indicator, short circuit protection, overload protection, overheat protection, |
Advantages and disadvantages
Fast charging, price, rubberized surface.
The cable gets very hot when charging
Ferrari Wireless Power Bank 10000 mAh (FEOPBW10KQU)
Ferrari Wireless Power Bank 10000 mAh.
Photo: Ferrari The charging speed here is comparable to that of the car's namesake. The model meets all the basic functions of an external battery. As with almost any modern device of this type, there is the ability to charge two gadgets at the same time. The input connector is standard - micro USB. The body is made of plastic. For convenience, a charge indicator is provided.
Price: from 2990 rubles.
Main characteristics
| Capacity | 10000 mAh |
| Entrance | connector - micro USB, voltage - 5 V, current - 2.1A |
| Exit | maximum current - 2.4 A, connectors - USBx2, maximum current on USB 1 - 2.1 A, maximum current on USB 2 - 1 A |
| Battery | Li-Polymer |
| Weight | 240 g |
| Frame | plastic |
| Charger | Simultaneously charge two devices, wireless charging |
| Other | charge indicator |
Advantages and disadvantages
Charge speed, quality
Inconvenient design
What is a battery
A rechargeable battery is a direct current source designed to accumulate, store, and release energy. The operation of most batteries is based on a cyclic chemical reaction, which allows the power source to be recharged several hundred times.
The principle of operation of the battery was discovered by Alessandro Volta, who back in 1800 dipped two plates of copper and zinc into acid, thus proving that current could flow through the wire connecting them. The discovery has found its application; even after 200 years, new types of batteries use this principle.
Nickel-cadmium batteries (NiCd)
Until recently, they were the most common for use in cell phones.
One of the main advantages of this type of battery is the ability to operate in temperatures from -40 to + 60. It can also be charged when cold. In addition, nickel-cadmium batteries do not require special attention to their operation; they are less sensitive to conditions of improper use. Such batteries can be stored in a discharged state; they quickly restore their capacitance characteristics after charging. They are distinguished by a large number of charge cycles - up to 1500, and charge quickly, in 1.5 hours. They are characterized by the highest current supplied to the load - more than 2 C. However, they must be completely discharged periodically (once a month) (to eliminate the memory effect). In addition, the self-discharge rate per month is 20%. With proper use, it can last 3 years or more, even with daily charging. The large dimensions of such batteries are not always convenient to use, but they have the lowest price. Due to the need for special disposal, nickel-cadmium batteries are becoming less and less common on the market.
Interesting facts about wireless transmission of electricity
Modern wireless charging of portable devices is only the simplest realization of the potential of technologies whose foundations were laid in the 19th century. Moreover, scientists of that time conducted incredible experiments that are relevant even today.
- It’s one thing to charge a smartphone with a minimum distance between the charger and the battery, and quite another to light a power-hungry incandescent lamp at a distance. Nikola Tesla did this back in 1894. Intel was able to repeat the experience only in 2008 (transferring energy over a distance with an efficiency of 75%).
- At the beginning of the 20th century, Nikola Tesla developed a global system for providing electricity without wires and conventional power plants and experimentally proved the viability of his theory. He began to bring the idea to life with the construction of Wardenclyffe Tower. The scientist called his development “Method of exciting the charge of earth and air.” In theory, humanity would receive free electricity literally out of thin air. Unfortunately, the scientist’s funding was cut and he was unable to conduct tests.
- In 1931, Tesla removed the gasoline engine from the new Pierce-Arrow car and replaced it with an 80 hp AC electric motor. without any traditionally known external power sources. It worked using a box with dimensions of 60 x 30 x 15 cm with a pair of rods sticking out of it. Inside there were 12 radio tubes and a handful of resistors, assembled in a circuit that was still unknown to anyone. The car accelerated to 150 km/h, and the scientist drove it for a week without any recharging. According to Tesla, the energy was taken "from the ether around us all." In theory, the car would have continued to run on free energy from the ether, but the scientist was infuriated by the skeptics. He removed the power source, disassembled it and took the secret with him to the grave.
- In 2015, scientists from the University of Washington discovered that electricity can be transmitted via Wi-Fi technology.
- The most effective method for transmitting energy over long distances today is microwave radiation (efficiency up to 95%), but the dimensions of the receiver and transmitter are enormous. For example, to transmit energy into space to a station, the diameter of the transmitter must be at least 1 km, the receiver - 10 km.
How to remove the battery from Samsung a 5?
Carefully remove the removable plate and turn it over. Now you will also need to unscrew a few small bolts and carefully remove the outer part that is adjacent to the phone’s camera (the removable part looks like the letter “G”). You will have access to the battery, which you can now remove without any problems.
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Operating principle
A disposable battery or a reusable battery are all chemical current sources that operate on the same principles. To put it simply, electric current arises due to a chemical reaction occurring in a closed external circuit.
The basis of chemical current sources are two electrodes (a negatively charged anode containing a reducing agent and a positively charged cathode containing an oxidizing agent) in contact with the electrolyte.
In particular, at the negative anode (lead, cadmium, zinc and other metals), the reducing agent is oxidized, the resulting free electrons pass through the external circuit to the positive cathode (lead oxide, manganese and others), creating a discharge current, where they participate in the reduction reaction of the oxidizing agent . Thus, the flow of negatively charged electrons through the external circuit goes from the anode to the cathode, that is, from the negative electrode (the negative pole of the chemical current source) to the positive. Solutions of alkalis, acids or salts are used as electrolytes.
It’s simple, but scientists came to this principle back in 1800...
How to Check Your iPhone's Battery Health
On any iPhone running iOS 11.3 or later, you can check the battery capacity by going to Settings > Battery > Battery Health. It's important to note that this feature is only available for iPhone 6 and all subsequent models.
On the battery status screen, you'll also see an important secondary metric: peak performance. Due to the above nuance, this factor may be more important than capacity.
If your battery is performing optimally to support all your apps, you'll see a simple message telling you that your phone is running at normal maximum performance. If your battery is worn out and may need to be replaced, you will see a warning that it is worn out and should be replaced.
If you see a warning message, your phone will still work, but the time between charges will be significantly shorter. The message only appears when the battery level is 79% or lower.
Commercial Czar of Battery Technology
As you can see, today the commercial king of battery technology is Li-ion and Samsung is using its capabilities to the fullest. Thus, it is worth mentioning the technology developed by the company for creating Li-ion batteries of arbitrary shape . It allows you to make the most efficient use of the internal space of the device to accommodate the battery. The technology has found its application in branded smart watches.
A further development of this topic can be called the so-called “tape” batteries from Samsung (“Stripe” and “Band”). They are flexible (easily withstand up to 50 thousand bends) and can be built into a smart watch strap or sports bracelet. Potentially, the technology used in Stripe batteries will increase the capacity of batteries in mobile phones by 50%.
Well, here we come to the battery technology of the future. I propose to talk about them in more detail.
