15 Things Every Lipo Battery Individual Should Know(2)

8. Never overcharge a LiPo battery. Typically a complete cost is 4.2 v per cell. Never ever "trickle" bill a LiPo battery.

9. Never ever discharge a LiPo battery listed below 3.0 v per cell. Preferably you never ever intend to go below 3.2 v per cell to keep a healthy and balanced battery. 2.9 v per cell and also reduced is causing irreversible damages.

10. Never leave your LiPo batteries kicking back on a complete cost for greater than 2-3 days. If by the 3rd day you realize you are not mosting likely to use your battery today, you need to release your battery down to 3.6v-3.8 v per cell for safe storage until you prepare to make use of the battery once more.
11. Care for your LiPo batteries appropriately. Constantly keep your LiPo batteries at area temperature level. Do not keep them in a hot garage, or in a chilly refrigerator. Although a cold battery has much less chain reaction happening which can prolong its life expectancy, taking a battery out from a chilly refrigerator can trigger condensation to occur on the within the battery, which can be very hazardous.
12. Constantly remember that heat is the leading opponent of LiPo batteries. The hotter your batteries get, the much shorter their life-span will be. Never ever charge a battery that is still warm from use, and never ever use a battery that is still cozy from charging.
13. Depending upon just how they are made use of, most LiPo batteries generally do not last longer than 300 fee cycles. Leaving them around on a complete or diminished charge at all times, running them entirely dead, or revealing them to heats will certainly reduce this life-span substantially.
14. LiPo batteries do not work well in cold weather. The cooler it is, the shorter your run times will certainly result from the decreasing of the chemical activity within the battery. If it is below 14F (-10 C), LiPo usage is not suggested in any way.

15. Constantly load your LiPo batteries in your carry-on bag as well as never in your inspected baggage when taking a trip on an aircraft. It's the legislation.

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15 Things Every Lipo Battery Individual Should Know(1)

 LiPo batteries are generally safer as well as much more eco-friendly than other R/C batteries like NiCd and also NiMH. LiPo batteries have come to be the most common high performance R/C battery as well as are used in R/C cars, watercrafts, aircrafts, helis, multirotors and also even more. Nonetheless, if charged, discharged, stored, kept, or handled improperly, they can become incredibly harmful. This is a straightforward guide for safe LiPo battery ownership and use.

1. Never ever bill, discharge, utilize, or store a harmed or puffy LiPo battery. Promptly adhere to proper disposal procedures.
2. Avoid purchasing made use of LiPo batteries. You never understand what the previous proprietor performed with them and they can currently be severely harmed. "LiPo Battery Fresh, Used When" is generally a rip-off and should be prevented.
3. Constantly utilize an appropriate LiPo battery equilibrium charger/discharger when charging and releasing your LiPos. It is crucial that all cells in a LiPo battery keep the exact same voltage throughout all cells in any way times. If the voltages throughout the cells deviate too much from each various other (5mV ~ 10Mv), the battery can come to be unstable and also hazardous. (Unless it's a single cell LiPo, in which case you do not need to worry about cell balance).
4. Constantly make use of a fire evidence LiPo safety and security bag, steel ammunition box, or various other fire proof container when you are billing, discharging, or keeping your LiPo batteries. While LiPo fires are unusual, they can occur unbelievably rapidly and also can do a great deal of damage. All it takes is an internal short circuit to set the battery off. There is no way to anticipate when it will certainly take place. It does have a tendency to happen regularly when batteries are totally charged, being overcharged, or while being released, but it can take place to any kind of LiPo at any time. Never fill up the container to capability with your batteries, always follow maker suggestions on LiPo bags for the amount of mAh's it can securely contain.

5. Do not utilize your trip case/travel case for long term LiPo storage. The foam as well as plastic in these situations can help spread a LiPo fire. Constantly utilize a fire evidence container such as a metal ammunition box or fire proof risk-free for storage.
6. Never ever leave your LiPo batteries billing while unattended. If a battery begins to come to be puffy, smoke, or ignites you need to be able to quickly manage the situation. Walking away for also just 5 mins can mean calamity.
7. A LiPo fire is a chemical fire. Always keep a Class D fire extinguisher close-by your battery charging/discharging and also storage space location. The battery charging/discharging and storage location should be without any type of materials which can catch fire such as timber tables, carpet, or gasoline containers. The optimal surface area for billing and also storing LiPo batteries is concrete or ceramic.

What Should I Pay Attention To When Using Lithium Batteries?

Since the advent of lithium batteries, they have developed rapidly due to their excellent performance and incomparable advantages, and have been widely used in various scenarios, quickly occupying many fields. But the way most people use and maintain lithium battery packs is not very clear. In order to use lithium batteries better and more safely, lithium batteries manufacturer will take you to know what to pay attention to daily.

1.Precautions for lithium battery charging

Lithium batteries are strictly prohibited to be charged from the discharge terminal, and must be charged from the charging socket with the matching special charger. When the charging indicator bar on the charger stops scrolling, please remove the charging plug in time to avoid overcharging the battery.

2.Notes on discharge

The lithium battery pack has an overcurrent protection function. When the use current of the electrical equipment exceeds the maximum output current of the product, the overcurrent protection circuit will act and make the electrical equipment appear to be unable to work normally.

3.The newly purchased lithium batteries

The newly purchased lithium battery has a little power, so users can use it directly when they get the battery, and recharge the remaining power. After 2 to 3 times of normal use, the lithium battery activity can be fully activated. Here is a special reminder: Don’t misbelieve the rumors from the salesperson or the Internet, the new lithium battery needs to be activated for up to 12 hours when it is first used.

4.When charging the lithium battery

Lithium batteries do not have a memory effect and can be charged as they are used, but it should be noted that lithium batteries cannot be over-discharged. Over-discharge will cause irreversible capacity loss. When the machine warns that the battery is low, it will start charging immediately. Don't use it in a hurry after charging. In daily use, put the newly charged lithium battery for half an hour, and use it after the charging performance is stable, otherwise it will affect the battery performance.

5.Lithium battery use environment and maintenance methods

When not in use, such as laptop lithium batteries, be sure to take out the batteries and store them in a dry and cool place. Note that the charging temperature of the lithium battery is 0 ℃ ~ 45 ℃, and the discharge temperature of the lithium battery is -20 ℃ ~ 60 ℃. Avoid frequent overcharging. Overcharging will cause the temperature inside the battery to rise to a high level, which is harmful to the lithium-ion battery and charger. Therefore, a full charge is enough to turn your lithium battery into a small bomb.

Summary: The battery is a consumable product, and its life span is fixed (the number of charging and discharging is usually 300-500 times), so mastering the correct method of use is the secret of battery life extension.

6.Battery maintenance for the correct use of lithium battery packs

Charging: The safe working voltage range of lithium battery is 2.8~4.2V, lower or higher than this voltage range, the lithium ion in the battery becomes very unstable and even causes accidents. To ensure that the battery is in a safe range, a special charger is needed. Lithium batteries need to be charged and discharged every three months to restore their original performance. Before using the lithium battery, check whether it meets the requirements of the load. Using it under conditions that cannot meet the load requirements or high current (over 1C) will damage the battery or shorten its life. Avoid frequent use in high or low temperature environments. It is best to be at room temperature, as temperature has a great influence on the characteristics of lithium batteries.

7.How to store lithium battery without long-term use

Lithium batteries should be charged with 50%~80% of electricity if they are not used for a long time, and they should be taken out of the instrument and stored in a dry and cool environment. The batteries should be recharged every 3 months to avoid excessive storage time. The battery is too low due to self-discharge, causing irreversible capacity loss. The self-discharge of the lithium battery is affected by the ambient temperature and humidity. High temperature and humidity will accelerate the self-discharge of the battery. It is recommended to store the battery in a dry environment between 0 ℃ and 20 ℃.

Lithium Ion And Lithium Polymer Batteries

 Lithium ion (Li-ion) batteries have always been the preferred power source for smartphones and various other portable devices. However, most smart phones now usually use lithium polymer (Li-poly) batteries, which are gradually replacing lithium-ion batteries as the mainstream. However, what caused this trend to appear? What is the difference between lithium ion batteries and lithium polymer batteries, and what are their advantages and disadvantages are what we should know.

Before clarifying their differences and advantages and disadvantages, we must first understand how they work. Lithium-ion batteries are the main force in the industry. The development of this technology began in 1912, but it was not popularized until it was adopted by Sony in 1991. Since then, lithium-ion batteries have provided power for various small devices, such as portable cameras, music players, and smart phones.

Part of the reason why Li-ion batteries are so successful is that they have a very high energy density, do not have a "memory effect" like the previous battery technology (that is, batteries become more difficult to charge over time), and their production costs are relatively cheap.

Lithium-ion batteries consist of two positive and negative electrodes separated by a liquid chemical electrolyte such as ethylene carbonate or diethyl carbonate. The chemical composition of this battery limits its shape to a rectangular shape. The capacity of lithium-ion batteries will decrease with the charging cycle, and will even discharge when not in use, which is not ideal. To make matters worse, the chemical electrolyte becomes unstable at extreme temperatures or if it is punctured, leading to "thermal runaway" and fire. However, this situation is very rare, because the electronic controller usually adjusts the charging and discharging power to prevent the battery from overheating.

Lithium polymer battery technology is more advanced than lithium ion batteries. It didn't appear until the 1970s, and has only been installed in smartphones in recent years. For example, Samsung switched to lithium polymer in the Galaxy S20 series, while other manufacturers used the technology earlier. And Samsung used lithium-ion back on the Galaxy Note 20 series.

Lithium polymer technology also uses positive and negative electrodes, but uses a dry solid, porous chemical or gel electrolyte instead of a liquid. Therefore, the polymer battery can provide a lower profile, flexible and more robust design, and the possibility of electrolyte leakage causing thermal runaway is lower. In short, they are safer.

A major disadvantage of this technology is that the manufacturing cost is significantly higher. The life cycle of lithium polymer is also shorter, and the battery can store less energy than a lithium-ion battery of the same size. These batteries still need to rely on protection circuits to keep the voltage running within a safe range.

Both types of batteries have their advantages and disadvantages. Generally speaking, lithium-ion batteries have the largest capacity and are cheaper. The disadvantage of lithium-ion batteries is that they will gradually self-discharge, but for mobile phones that have been turned on, this is not too important, and the possibility of safety issues is small, but not zero.

In contrast, lithium polymer batteries are safer. This is particularly important in the era of rapid development of fast charging technology. The self-discharge of this kind of battery is also very low, so it will not lose a lot of electricity when you are not using it. However, this also brings a higher price, shorter life and lower capacity density. Although, the lightweight characteristics of lithium polymer batteries make the overall energy density of the battery better.

In general, due to the superior safety, versatility and weight properties of lithium polymer, it is widely used in high-end and mid-range devices, and Li-poly batteries are slowly replacing lithium ion in the smartphone industry.

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