What exactly are the precautions for li-po battery?

Based on the electrolyte components that happen to be utilized in Lithium Ion Batteries,Lithium Ion batteries are divided into Liquified lithium-Ion battery (abbreviation:LIB) and Polymer Lithium-Ion Batter (abbreviation:PLB) ,It utilized in the PLB cathode supplies and LIB is definitely the exact same, the anode components are divided into cobalt acid lithium, manganese acid lithium, ternary material and lithium iron phosphate material, negative exceptionally graphite, operating principle on the battery is nearly precisely the same.Their key big difference is that the different electrolytes, LIB making use of liquid electrolyte, PLB with strong polymer electrolyte as being a substitute for, at current almost all of the polymer gel electrolyte.

1.classification

strong

Sound polymer electrolyte of lithium ion battery electrolyte for the polymer that has a mixture of salt, the battery the ionic conductivity at space temperature is minimal, may be used at area temperature.

gel

Gel polymer electrolyte for lithium ion batteries is in solid polymer electrolyte including plasticizer as well as other additives, hence increase the ionic conductivity, the battery may be used at room temperature.

polymer

Polymer lithium ion battery owning a thin form, and of any area of ??any shape, and so forth., so you’re able to use plastic composite film manufacturing the battery situation, which may enhance the ratio with the entire battery capacity; polymer lithium ion battery can also be large molecule as cathode materials, its high-quality is going to be enhanced by more than 20 percent much more vitality compared to the current liquid lithium-ion battery.

2.Don’t charge overcharge

Polymer lithium-ion battery, if the charging time is as well lengthy, will boost the possibility of expansion.

3. Benefits and disadvantages Advantage

A. single battery voltage as much as 3.6v ~ 3.8v one.2V voltage is a great deal greater compared to the nickel-metal hydride and nickel cadmium batteries.

B. capability density, and its capability is 1.5 to 2.5 times the density of nickel-metal hydride batteries or nickel-cadmium 7.4v lipo battery, or greater.

C. Self-discharge, spot a very long time right after the reduction of its capability is modest.

D. Prolonged lifestyle, the typical use of the cycle daily life can reach in excess of 500 instances.

E. no memory result, prior to charging is not really important to vent the remaining capacity, easy to use.

F. Superior safety functionality

Polymer lithium aluminum versatile packaging structure adopted in the event of security complications arise, polymer batteries will not explode, it is going to only drums.

4. smaller thickness, can do thinner

Slim, the battery is usually assembled to the credit score card. Ordinary liquid lithium employing the initial custom shell, following the Cypriot village of constructive and detrimental material system, the thickness of 3.6mm or significantly less technical bottlenecks do exist, as well as the thickness of your polymer 2 cell lipo batteries could be finished 1mm or less.

5. Light excess weight

Utilizing a polymer electrolyte battery without having metal shell as safety packaging. Polymer battery bodyweight compared with all the similar capacities of steel lithium, 40% lighter, 20% lighter than aluminum battery.

6. The internal resistance

Polymer batteries internal resistance than ordinary liquid small core, the current domestic polymer batteries internal resistance of 35m can do even significantly less, drastically minimizing the battery through the power to extend the standby time, might be accomplished with the international level. This help big discharge recent lithium polymer is great for remote manage model because the most promising different to nickel-hydrogen battery items.

7. The form is often customized

Makers require not be limited to conventional type, it may be economically produced of appropriate size. Polymer battery is often added in accordance to customer demand or minimize the thickness of the batteries, the growth of new versions of batteries, cheap, mold cycle is short, and some can even be tailored according to the form of a cell phone to consider advantage in the battery housing area, improve battery capacity.

8. Superb discharge traits

Polymer battery with gel electrolyte, in contrast to liquid electrolyte, gel electrolyte acquiring a secure discharge traits and larger discharge platform.

9. Plate Style and design Very simple

Consequently of polymer materials, batteries no fire, no explosion, batteries itself has sufficient safety, so protecting the circuit style and design polymer battery might be considered omitted PTC and fuse, therefore conserving the expense of the 3s 1300mah lipo battery.

RC lipo battery in excess of discharge along with the appropriate use of purpose

Some rookies feel that lithium batteries brand superior,ever the increased the value,it truly is much better to implement the longer. But frequently not the situation, even the ideal lithium batteries,over-discharge phenomenon will seem.

Tips on how to make use of the suitable of lithium battery?

No matter if lipo battery 3.7v or one.2v NiMH,will not imply voltage when the battery is entirely charged.For lipo battery, the general right after full voltage reaches 4.2v,I believe plenty of people possess the mobile phone batteries universal charge,it output voltage is usually indicated above 4.2v.NiMH total charge can attain 1.5v. Additionally to voltage,and then there is capacity and discharge rate.the capacity of the battery in mah,the discharge fee is surely an unit with C. In brief,1C for distinctive capability battery is not the exact same. 1C discharge means that batteries can final for 1 hour. Instance: 1500mah capacity battery lasted one hour of do the job, the average existing is 1500ma, namely 1.5A,1.5A and that which is if the battery 1C over the nominal maximum 10C the battery discharge latest is 15A… That is certainly beneath the battery 15A is safe and sound to make use of. Once more 1000mah capability within the 1C is 1000ma, namely 1A. If the above nominal 15C. Then the utmost discharge latest is 1A * 15 = 15A, the utmost discharge current in the battery is 15A. Having said that, the above function the batteries 15A, 10C discharge is, in theory, the utmost current get the job done working with 60/10 = six minutes . And 1000mah function to 15A, 15C is discharged towards the existing concept can be used to do the job 60/15 = four minutes. So fairly speaking, 1500mah, 10C battery to be made use of for any long time points. So obtain the battery by taking a look at the number of C will not be acceptable. C compact quantity of discharged battery may discharge a large amount greater than C. Connected with this capability.

Remote handle model aircraft lithium battery known as the lithium polymer battery, frequently known as lithium or lithium batteries. I’ve to lipo battery 11.1 v 2200mah remote management model aircraft for example to illustrate the way to correctly use lithium battery. Generally, eleven.1V lithium battery of remote control model aircraft by three lithium batteries in series (3S1P), per piece batteries voltage is 3.7V. The lithium model, mobile phones, cameras, and so forth. The nominal voltage is called marking voltage is obtained in the common working voltage. The real voltage monolithic lithium batteries is 2.75~4.2V, lithium about the topic of electric power capability of four.2V to 2.75V discharge obtained. Remote control model aircraft lithium batteries has to be utilised within the voltage selection of 2.75~4.2V. The remote manage model aircraft lithium battery voltage is decrease than 2.75V belongs excessive discharge, lithium expands, chemical liquids inside crystallize, these crystals may well pierce the inner construction with the layer due to a brief circuit, make the lithium voltage becomes zero. Remote management model aircraft lithium battery voltage is above 4.2V belong overcharging, internal chemical reactions too extreme, lithium will blow expansion, if it continues to swell charge combustion. Whether or not it’s above discharge or overcharge can have remote handle model aircraft lithium batteries generate loads of injury.

1.the charge

1-1 Charging present: the charging latest will have to not exceed the specs book stipulated highest charging present (under regular circumstances is 0.5 ~ 1.0C or significantly less), the usage of larger than proposed charging present might bring about the battery charge and discharge performance, mechanical efficiency and security efficiency difficulties and could bring about heat or leakage. At present marketed 5C model aircraft battery charging present, charging isn’t advisable frequent use 5C, so as to not impact battery lifestyle.

 

1-2 charging voltage: the charging voltage shall not exceed the limit voltage (7.4v 5000mah lipo battery / single cell), 4.25V charge voltage of each part of your highest restrict. (Non-straight to enrich my know-how, this may possibly lead to overcharging the batteries, customers use the battery due to an error generated through the consequences).

1-3 Charging temperature: The battery has to be charged inside of merchandise specs prescribed ambient temperature selection, otherwise the battery vulnerable to harm. After they discover the battery surface temperature anomaly time (refer on the battery surface temperature exceeds 50°C), need to immediately prevent charging.

1-4 reverse charging: Connect the battery good and unfavorable, non-reverse charging. If your constructive and detrimental reversed, we’ll not have the ability to charge the battery. Reverse charging the battery will likely be destroyed, and in some cases cause fever, leak, fire.

2.discharge

2-1 Discharge current: discharge existing may not exceed specs specified greatest discharge present, high-current discharge capacity will result in the sharp decline during the battery to overheat and bring about swelling.

2-2 Discharge temperature: The battery should be discharged within specs specified working temperature assortment. When the battery surface temperature exceeds 70°C, to suspend use until eventually the battery is cooled to space temperature to date.

2-3 over-discharge: over-discharge can damage the battery can’t be so single battery discharge voltage is reduced than 3.6V.

3. Storage

The battery need to be placed in interesting storage environment, long-term storage battery (more than 3 months), it’s proposed at a temperature of 10-25°C along with a minimal temperature non-corrosive gasoline environments 2 cell lipo batteries. While in the long-term storage battery just about every three months to sustain the battery charge and discharge activity and be certain that each cell voltage from the assortment of 3.7~3.9V.

How to eradicate the battery memory impact

What is the battery memory result?

Should the 7.4v lipo battery 5000mah is nickel cadmium battery, long-term will not be complete charge and discharge,it easy to depart a mark inside the battery, the battery capability, this phenomenon is termed battery memory impact.That suggest, it seems that battery memory consumer every day charge and discharge rate and also the mode, time is difficult to transform this type of mode, can no longer do greatly charging or discharging.Lithium-ion batteries, no such impact.

The reason behind the battery memory effect

As a consequence of unfavorable extremely sintering type while in the regular approach, cadmium coarser grains, if nickel cadmium battery recharge prior to they may be absolutely discharge, cadmium grain conveniently gathered into pieces and make a battery discharge form secondary discharge platform.

Battery will retailer the discharge platform and it since the end of the discharge while in the next cycle, whilst the capability from the 3s 2200mah lipo itself is often make the battery discharge to the reduce platform.While in the method of following the discharge of battery will only keep in mind that low capability.The same in each and every use, any incomplete discharge will deepen this impact, make the capacity on the battery is reduce.

The best way to do away with the battery memory result?

To do away with the effect, you will find two means, one should be to use small latest depth of discharge (such as with 0.one C to 0 v) one is always to use substantial current charge and discharge (e.g., 1 C) quite a few instances.

In practice, the technique of elimination of memory effects have strict specs and an working system. Improper operation might be counterproductive.

For nickel cadmium battery, the upkeep of usual is deep discharge on the common basis: the common use for a month (or thirty occasions circulation) on the deep discharge (discharge to 1.0 V/each section, termed the exercising), widespread use would be to use photovoltaic cells or use the suggests including shutdown can cut down the formation on the memory result, but this is not work out, because the instrument (for instance mobile phone) is not used 1.0 V/only to turn it off each day, needs to be specific gear or line to finish the function, but thankfully many of nickel cadmium battery charger with this particular function.

For no nickel cadmium battery to exercising to get a extended time, as the cumulative memory effect, can’t reply in workout capacity, you then will ought to deeper discharge (named a recondition), this really is an incredibly modest existing for any extended time for each segment to 0.22.2v lipo battery discharge of the method, will need qualified gear.

For nickel metal hydride batteries, workout over the frequency of about as soon as every three months can proficiently relieve the memory effect. Since the cycle life of nimh battery is lower than that of nickel cadmium battery, with tiny recondition this approach.

Suggestion 1: every time there is no ought to charge the battery prior to discharge, and it truly is unsafe, mainly because ineffective shorten the life of the battery.

Suggestion 2: use a resistor connect could be the cathode on the battery discharge will not be desirable, can’t handle existing, simple to 0 v, even result in series of battery cell polarity reversal

The differences between Ni-MH and Li-Po battery

RC car racing beginners often get confused about the different kinds of batteries.Some even waste money in buying the wrong chargers for their batteries. Here we Gens ACE and Tattu,a professional manufacturer of Li-po battery,will show you some difference between these RC batteries so you can make your good purchase choice for you RC models:7.4v lipo battery.

NiMH battery, short for Nickel-metal hydride battery , is an upgraded version of NiCd battery. NiMH battery uses hydrogen to store energy, with nickel and another metal keeping a lid on the hydrogen ions. It often comes in a cylindrical shape as below.

Lipo battery, short for Lithium polymer battery , is a newer kind of technology. It’s made of carbon and highly reactive lithium, which can store a lot of energy. Below is the structure of a lipo battery. With the flat structure the inner resistance is smaller.

Besides the most distinctive component difference, we can compare them in the following aspects too:
Voltage: NiMH’s nominal voltage is 1.2v per cell. So the common voltage for NiMH battery is 3.6V, 7.2V etc. But the voltage for each LiPO battery cell is 3.7V. So we usually find LiPO batteries in 7.4V, 11.1 v, 14.8V and 22.2V lipo 7.4v 5000mah

Cost: LiPO battery is more expensive than NiMH battery at the moment. But now the production scale of LiPO battery gets bigger and bigger, the production cost drops down a lot more and so as the price for lipos.

Weight: LiPO batteries are smaller and can be made in almost any shape and size while NiMH batteries CANNOT.

Charge and discharge:LiPO batteries can be discharged and charged within a shorter time. But LiPO batteries can never be over discharged or over charged while NiMH is not that dangerous in that case.

Memory effect: Technically, NiMH batteries do not have a “memory effect”. However NiMH batteries can experience voltage depletion, also called voltage depression, similar to that of NiCd batteries, but the effect is normally less noticeable. In contrast,3S 1300mah Lipo has no memory effect.

Safety:because of the soft package of the Li-po batteries,it hardly burst or catch fire while Ni-MH has this risk.

Capacity:LiPo batteries have large capacities, meaning they hold lots of energy,around 2-2.5 times of Ni-MH batteries in a small package.

Lifespan:The lifespan for Li-po batteries can be over 500 while 200-300 for Ni-MH.

To make a conclusion, These Li-po batteries benefits are important in any RC model, but for airplanes, helicopters, and multi-rotor they are the reason electric flight has become so popular.

So Li-po battery is generally a better choice than NiMH battery in RC cars, helicopter etc. But Ni-MH is cheap and safe if you do not know how to care about the battery. So for beginners they can choose cheep NiMH battery packs. But for racing or serious player, Gens Ace and Tattu battery is a perfect choice for you with high quality and high C rating.Now Gens Ace and Tattu are still working on the new type of lipos with higher energy density. And we are looking forward to the new type of LiPO battery to lengthen the flight time and take place of the gasoline as the main power source for larger UAVs.

TIPS for your Drone Battery Care

7.4v Lipo battery has now been with us for many years and have become an essential part of this hobby. They weigh 10%- 20% less than the typical NiCd/NiHm battery and they store nearly 350% more energy. However, they can aslo be fully charged in about an hour. All of this electric goodness does not come without a cost. If not handled and utilized properly, LiPo batteries can quickly become damaged or even catch on fire. So I am writing this in an attempt to explain how to best maintain your drone battery. And Of course, choosing a better battery for your drone is aslo essential in order to have maximum performance and life span. For me I’m now using Tattu for my drone, however it’s safer and more powerful than what I’ve used anyway.

Let’s start with the basics of the drone care. First of all , your storage environment should be clean and dry. Keep them out of contact with any random metal objects and at safe, non-extreme temperatures. Or what you need to do is to make sure they are properly encased and sealed when in your drone, preferably in a waterproof battery box, and then store it in a clean, dry place.

Your Drone battery must only be charged by specific chargers made to charge your drone battery.

As me personal,I am using Tattu 10000mah 6s 2 cell lipo batteries,You might use different brand,but the method is the same,Taking battery out of your drone before you charge your battery. OF course, make sure your battery does not put near any flammable products or liquids when you are charging it.

Use the specific charger to discharge your drone battery. It can helps to stop discharging at a safe minimum charge level. As in my case,PL8 works perfect for my Tattu battery,Tattu 10000mah 6s as the best battery in uav area,so charger should be good enough to match it.

The other thing what you need to avoid is not to overcharge your drone battery.Generally speaking, the less that batteries are pushed to their max (that goes for charge and discharge), the more cycles they will provide.
These are tips to look after your drone battery. Better battery safety and longer battery lifespans, which in turn gives you a healthier wallet!