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How to Extend Lithium Battery Life?

shaped battery

Lithium polymer batteries are a new type of battery because of their high energy density, miniaturization, ultra-thinness, lightweight, high safety, and low cost. In terms of shape, the lithium polymer battery has ultra-thin characteristics, which can be made into batteries of any shape and capacity in accordance with the needs of various products. The outer packaging is aluminum-plastic packaging, which is different from the metal casing of a liquid lithium battery, and the internal quality is hidden. It can be immediately shown by deformation of the outer packaging, such as bulging.

In the use of the battery to adhere to six “no”, the correct way to use is the best way to extend battery life

1. Do not overcharge

This has requirements for the charger. Some chargers have a power-off function that is not perfect after being fully charged. As a result, the single-chip battery is fully charged to 4.2V and has not stopped charging. In addition, some chargers are used for a period of time, because the components are aging, it is easy. There is a problem that the battery does not stop. Therefore, when the lithium battery is charged, it must be taken care of. When it is found that the charging time is too long, it is necessary to manually check whether the charger is faulty. If there is a fault, unplug the battery as soon as possible, otherwise, the lithium battery If it is overcharged, it will affect the battery life, but it will directly explode and catch fire.

Also remind everyone that when charging, be sure to charge according to the battery’s specified charging C number or lower C number, not exceeding the specified charging current.

2. Do not over-discharge

The discharge curve of the battery shows that the voltage drops faster when the discharge starts, but the discharge drops to 3.9~3.7V, and the voltage drops not fast. However, once it drops to 3.7V, the voltage drop speed will increase. If the control is not good, it will lead to over-discharge, but the battery will be damaged, and the voltage will be too low to cause the bomber. Some model friends have a battery because they have fewer batteries, so the battery is short-lived. The strategy is to fly as little as one minute and the life span is one more cycle. Would rather buy two more batteries, and don’t fly the battery beyond the capacity limit every time. To make full use of the battery alarm, an alarm should land as soon as possible.

grepow shaped battery

3. Do not save full power

Fully charged batteries can’t be fully charged for more than 3 days. If they are not discharged for more than one week, some batteries will be drummed directly. Some batteries may not be drummed for a while, but after several times of full power storage, the battery may be directly scrapped. Therefore, the correct way is to recharge after receiving the mission. If the battery does not have a mission within 3 days after use, please charge the monolithic voltage to 3.80~3.90V. After charging for a good reason, there is no flight for various reasons. It is also necessary to discharge the battery to 3.80~3.90V within 3 days after filling. If the battery is not used within three months, charge and discharge the battery once and continue to save, which will extend battery life. The battery should be stored in a cool environment. When storing the battery for a long time, it is best to put it in a sealed bag or a sealed explosion-proof box. The recommended ambient temperature is 10~25°C, and it is dry and non-corrosive.

4. Do not damage the skin

The outer skin of the battery is an important structure to prevent battery explosion and liquid leakage. The damage of the aluminum-plastic outer skin of the lithium poly battery will directly cause the battery to ignite or explode. The battery should be handled with care, and the strap should be tightened when the battery is fixed on the aircraft. Because it is possible to make a large dynamic flight or a crash, the battery will be pulled out because the cable tie is not tight, which is also likely to cause damage to the battery skin.

5. Can not be a short circuit

This often happens during battery wire maintenance and transportation. A short circuit can directly cause the battery to catch fire or explode. When it is found that the battery is disconnected after a period of use, it is necessary to re-solder the wire. Pay special attention to the soldering iron not to touch the positive and negative terminals of the battery at the same time. In addition, in the process of transporting the battery, the best way is that no battery is separately wrapped in the ziplock bag and placed in the explosion-proof box to prevent the positive and negative poles of a certain battery from being encountered at the same time due to bumps and collisions during transportation. Other conductive materials are short-circuited or broken and short-circuited.

6. Can not be frozen

This principle, many flying friends will ignore. In the north or high altitude areas, there will often be low-temperature weather. When the battery is placed outside for a long time, its discharge performance will be greatly reduced. If it is to fly at the time of normal temperature, it will definitely cause problems. At this time, the alarm voltage should be raised (for example, the single-chip alarm voltage is adjusted to 3.8V), because the voltage drop will be very fast in the low-temperature environment, and the alarm will immediately fall. In addition, the battery should be insulated. Before the take-off, the battery should be stored in a warm environment, such as inside a house, inside a car, or in an incubator. Quickly install the battery when taking off and perform the mission. Try to shorten the time to half of the normal temperature when flying at low temperatures to ensure a safe flight.

Low Temperature Shaped Battery

But Grepow low-temperature battery takes new technology from long-term development, we add special functional materials into the electrolyte, the excellent technology can ensure the great low-temperature discharge performance. Such batteries are widely used in military equipment, aerospace industry, deep diving equipment, polar region scientific investigation, electric power telecommunication, public security, medical electronics, and other low-temperature application fields.

Grepow low temperature shaped battery operating environment in the low-temperature range -40℃ to 50℃, can be custom for any shapes. And the low-temperature LiFePO4 discharging capacity of 0.5C at -40℃ is over 60% of initial capacity; 0.3C at -35℃ is over 70% of the initial capacity.

shaped battery

You can customize any shape, including the following shapes:

If you are interested in our products, please don’t hesitate to contact us at any time!
Email: info@grepow.com
Grepow Website: http://www.grepow.com/

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