First, the common sense of mobile phone batteries 1. Lithium batteries are generally considered to have no memory effect, which is misleading by manufacturers. Lithium batteries still have memory, which is only slightly more than nickel-metal hydride batteries. Lithium batteries can also have serious memory effects if they are used for a long time. Therefore, the lithium battery still needs to use the method of recharging to ensure the use of time 2. The memory phenomenon can be reactivated. The key here is how to discharge. First of all, you must not use a wire to short circuit the two poles of the battery. This will damage the battery! Some chargers have a discharge function, but this method also has disadvantages. Its discharge current is much larger than the mobile phone's operating current, which also damages the battery. After all, it is impossible to determine whether the power has been discharged. The best way is to use the phone to discharge naturally, which of course takes time. When a mobile phone is not used at home for a weekend, the mobile phone is turned on in standby mode, and the battery is turned off and then discharged. Usually it is not possible to turn it on immediately after several iterations. Do not assume that it has been discharged. You should leave the phone for a while and turn it on again. This repeated discharge until the phone is still more than an hour can not be switched on, even if the discharge is basically over. The method of charging activation is the same as the method of buying a new mobile phone, charging for more than ten hours, and then charging for two to three hours. If you have enough time, you can repeat the charge two or three times.
3, do not wait until the mobile phone use time reduced to a short time and then do the activation, because it will cause insufficient discharge due to insufficient time, the battery memory is still left. The use time after activation will still be short. It is best to take activation measures when the time of use is significantly reduced. For example, the use time of a new mobile phone is seven days. When the use time is reduced to four days or so, it should be activated. You can easily activate this weekend.
4. Sometimes it takes a long time for the new mobile phone to buy or reactivate. The use time is obviously reduced. This is not necessarily the memory effect, but may be due to poor contact. It is best to clean the contacts of the battery and the phone before reactivating: wipe the tissue with a small cotton swab or toothpick with a small amount of alcohol. Do not use hard objects to scrape, which will aggravate the poor contact. No alcohol can be replaced with high spirits. After wiping, use a paper towel to dry immediately to avoid short circuit between the two poles of the battery.
5, sometimes the battery power of the identification of the space does not necessarily have no power or memory effect, there may be a problem with the battery power of the identification function. This situation usually occurs after the mobile phone has been used for a period of time. The method of judging is very simple: Do not charge immediately when there is a space, wait until the phone automatically shuts down. Of course, it is not necessary to check every time. It is still necessary to pay attention to it after a while. Otherwise it will speed up the memory effect of the battery. Of course, this is not the case with all mobile phones.
6, mobile phone battery is the soft underbelly of the phone, it is the shortest lifespan of all parts of the phone. Unfortunately it is difficult to buy the original battery to replace it.
Second, the mobile phone charging skills If we want to be able to extend the battery's effective use of time, in addition to the quality of the charger must be guaranteed, the correct charging skills are also essential, because the poor quality of the charger or the wrong charging method will be Affecting the battery life and cycle life, the following is the author's finishing related charging tips:
2. If the newly purchased mobile phone battery is a nickel-metal hydride battery, then the first 3-5 times charging is generally referred to as the adjustment period and should be charged for more than 14 hours in order to ensure full activation of the nickel-metal hydride battery activity. Lithium-ion batteries do not have a memory effect, but they have a strong nature and should be given full activation before they can be used to achieve optimal performance.
3. Some automated intelligent quick chargers only indicate 90% full when the indicator lights change. The charger will automatically change to charge the battery with slow charging. It is best to use the battery after it is full, otherwise it will shorten the use time.
4, before charging, lithium batteries do not require special discharge, improper discharge will damage the battery.
5, when charging as far as possible to slow charge, reduce the fast charge; time not more than 24 hours.
6. After the battery has been fully charged and discharged for three to five times, its internal chemical substances will be fully "activated" for optimal use.
7. Please use the charger of the original or reputable brand. Lithium battery must use the special lithium battery charger and follow the instructions. Otherwise it will damage the battery or even cause danger.
8, there are many users do not know if they do not know or do not understand, often when the phone is still charging when you open, in fact, this will be very easy to damage the life of the phone, because in the charging process, the phone's circuit board will heat up, if When there is an incoming call, an instantaneous return current may occur, causing damage to parts inside the mobile phone.
9, the battery life depends on the number of repeated charge and discharge, so should try to avoid the battery when there is more than charge, this will shorten the battery life. When the mobile phone is turned off for more than 7 days, the battery of the mobile phone should be fully discharged before it is fully charged.
10, mobile phone batteries are self-discharge, when not in use, nickel-metal hydride batteries will discharge about 1% of the remaining capacity every day, lithium batteries will discharge 0.2-0.3% per day.
11. When charging the battery, try to use a dedicated socket. Do not share the charger with a TV or other home appliances.
12. Although our mobile phone is within the network coverage area, our mobile phone has been unable to accept and make calls when the mobile phone is turned off and charged. At this point, we can use the mobile phone's no-transfer feature to transfer the phone to the nearby fixed phone to prevent the loss of the call. This method is also suitable when the phone is not in the network coverage area or the signal is weak and temporarily unavailable.
13, do not expose the battery to high temperatures or cold, like the dog days, should not put the phone in the car, withstand the sun exposure; or get air-conditioned room, placed in the air-cooled place. When charging, it is normal for the battery to be a bit hot, but it cannot be allowed to withstand the "torture" of high temperatures. To avoid this, it is best to charge at room temperature and do not cover anything on the machine.
14. Before the NiCd battery is charged, it must be ensured that the battery is completely discharged. After charging, the battery must be fully charged.
15. If the mobile phone battery is left unused for a long time, it is best to apply to the mobile phone repair department for activation of the battery, or you can use a DC voltage regulator to adjust the voltage to 5-6V and the current 500-600mA in reverse. Connect the battery. Note that one touch is released and it is possible to repeat up to three times. After this treatment, the original charger is used to perform the “adjustment period†charging.
16. The longer the charging time is, the better. The charging should be stopped after the battery with no protection circuit is full, otherwise the battery may affect the performance due to heat or overheating.
17. Lithium-ion batteries must use special chargers, otherwise they may not reach saturation, affecting their performance. After charging, you should avoid placing it on the charger for more than 12 hours. If you do not use it for a long time, separate the battery and the mobile phone.
In the use of lithium batteries, it should be noted that the battery enters hibernation after being left for a period of time. At this time, the capacity is lower than the normal value, and the use time is also shortened. However, the lithium battery is very easy to activate, as long as after 3-5 normal charge and discharge cycles can activate the battery and restore normal capacity. Due to the characteristics of the lithium battery itself, it is determined that it has almost no memory effect. Therefore, the new lithium battery in the user's mobile phone does not require special methods and equipment during the activation process. Not only theoretically, but from my own practice, it is best to use the standard method to charge this “naturally activated†method from the very beginning.
For the "activation" problem of lithium batteries, many arguments are: The charging time must be more than 12 hours, repeated three times in order to activate the battery. This statement that "the first three charges must be charged for more than 12 hours" is obviously a continuation of nickel batteries (such as nickel-cadmium and nickel-hydrogen). Therefore, this argument can be said to be misinformation at the beginning. The charge and discharge characteristics of lithium batteries and nickel batteries are very different, and it can be clearly stated that all the serious formal technical information I have reviewed emphasizes that overcharge and overdischarge will affect lithium batteries, especially liquid lithium. Ionic batteries cause great harm. Therefore, it is best to charge in accordance with the standard time and standard methods, in particular, do not charge more than 12 hours. In general, the charging method described in the cell phone manual is a standard charging method suitable for the cell phone.
Third, other points of attention The battery is already activated. This is because the battery has this process in the battery manufacturer's production process. Called "chemical". That is the meaning of activation.
Charging time must be more than 12 hours, in fact, is useless, mobile phone battery is equipped with a protection board. This protection board automatically shuts off when conditions are met.
A, overcharge protection. That is, the battery will automatically stop charging when it is full.
B, over discharge protection. That is, when the battery reaches 3.2V, it will automatically stop discharging.
C, short circuit protection. That is, the battery will be automatically disconnected if it is accidentally short-circuited.
In other words, the average battery is full for 2-3 hours. When it is full, the charging circuit has actually been disconnected. So it is meaningless.
3, do not wait until the mobile phone use time reduced to a short time and then do the activation, because it will cause insufficient discharge due to insufficient time, the battery memory is still left. The use time after activation will still be short. It is best to take activation measures when the time of use is significantly reduced. For example, the use time of a new mobile phone is seven days. When the use time is reduced to four days or so, it should be activated. You can easily activate this weekend.
4. Sometimes it takes a long time for the new mobile phone to buy or reactivate. The use time is obviously reduced. This is not necessarily the memory effect, but may be due to poor contact. It is best to clean the contacts of the battery and the phone before reactivating: wipe the tissue with a small cotton swab or toothpick with a small amount of alcohol. Do not use hard objects to scrape, which will aggravate the poor contact. No alcohol can be replaced with high spirits. After wiping, use a paper towel to dry immediately to avoid short circuit between the two poles of the battery.
5, sometimes the battery power of the identification of the space does not necessarily have no power or memory effect, there may be a problem with the battery power of the identification function. This situation usually occurs after the mobile phone has been used for a period of time. The method of judging is very simple: Do not charge immediately when there is a space, wait until the phone automatically shuts down. Of course, it is not necessary to check every time. It is still necessary to pay attention to it after a while. Otherwise it will speed up the memory effect of the battery. Of course, this is not the case with all mobile phones.
6, mobile phone battery is the soft underbelly of the phone, it is the shortest lifespan of all parts of the phone. Unfortunately it is difficult to buy the original battery to replace it.
Second, the mobile phone charging skills If we want to be able to extend the battery's effective use of time, in addition to the quality of the charger must be guaranteed, the correct charging skills are also essential, because the poor quality of the charger or the wrong charging method will be Affecting the battery life and cycle life, the following is the author's finishing related charging tips:
2. If the newly purchased mobile phone battery is a nickel-metal hydride battery, then the first 3-5 times charging is generally referred to as the adjustment period and should be charged for more than 14 hours in order to ensure full activation of the nickel-metal hydride battery activity. Lithium-ion batteries do not have a memory effect, but they have a strong nature and should be given full activation before they can be used to achieve optimal performance.
3. Some automated intelligent quick chargers only indicate 90% full when the indicator lights change. The charger will automatically change to charge the battery with slow charging. It is best to use the battery after it is full, otherwise it will shorten the use time.
4, before charging, lithium batteries do not require special discharge, improper discharge will damage the battery.
5, when charging as far as possible to slow charge, reduce the fast charge; time not more than 24 hours.
6. After the battery has been fully charged and discharged for three to five times, its internal chemical substances will be fully "activated" for optimal use.
7. Please use the charger of the original or reputable brand. Lithium battery must use the special lithium battery charger and follow the instructions. Otherwise it will damage the battery or even cause danger.
8, there are many users do not know if they do not know or do not understand, often when the phone is still charging when you open, in fact, this will be very easy to damage the life of the phone, because in the charging process, the phone's circuit board will heat up, if When there is an incoming call, an instantaneous return current may occur, causing damage to parts inside the mobile phone.
9, the battery life depends on the number of repeated charge and discharge, so should try to avoid the battery when there is more than charge, this will shorten the battery life. When the mobile phone is turned off for more than 7 days, the battery of the mobile phone should be fully discharged before it is fully charged.
10, mobile phone batteries are self-discharge, when not in use, nickel-metal hydride batteries will discharge about 1% of the remaining capacity every day, lithium batteries will discharge 0.2-0.3% per day.
11. When charging the battery, try to use a dedicated socket. Do not share the charger with a TV or other home appliances.
12. Although our mobile phone is within the network coverage area, our mobile phone has been unable to accept and make calls when the mobile phone is turned off and charged. At this point, we can use the mobile phone's no-transfer feature to transfer the phone to the nearby fixed phone to prevent the loss of the call. This method is also suitable when the phone is not in the network coverage area or the signal is weak and temporarily unavailable.
13, do not expose the battery to high temperatures or cold, like the dog days, should not put the phone in the car, withstand the sun exposure; or get air-conditioned room, placed in the air-cooled place. When charging, it is normal for the battery to be a bit hot, but it cannot be allowed to withstand the "torture" of high temperatures. To avoid this, it is best to charge at room temperature and do not cover anything on the machine.
14. Before the NiCd battery is charged, it must be ensured that the battery is completely discharged. After charging, the battery must be fully charged.
15. If the mobile phone battery is left unused for a long time, it is best to apply to the mobile phone repair department for activation of the battery, or you can use a DC voltage regulator to adjust the voltage to 5-6V and the current 500-600mA in reverse. Connect the battery. Note that one touch is released and it is possible to repeat up to three times. After this treatment, the original charger is used to perform the “adjustment period†charging.
16. The longer the charging time is, the better. The charging should be stopped after the battery with no protection circuit is full, otherwise the battery may affect the performance due to heat or overheating.
17. Lithium-ion batteries must use special chargers, otherwise they may not reach saturation, affecting their performance. After charging, you should avoid placing it on the charger for more than 12 hours. If you do not use it for a long time, separate the battery and the mobile phone.
In the use of lithium batteries, it should be noted that the battery enters hibernation after being left for a period of time. At this time, the capacity is lower than the normal value, and the use time is also shortened. However, the lithium battery is very easy to activate, as long as after 3-5 normal charge and discharge cycles can activate the battery and restore normal capacity. Due to the characteristics of the lithium battery itself, it is determined that it has almost no memory effect. Therefore, the new lithium battery in the user's mobile phone does not require special methods and equipment during the activation process. Not only theoretically, but from my own practice, it is best to use the standard method to charge this “naturally activated†method from the very beginning.
For the "activation" problem of lithium batteries, many arguments are: The charging time must be more than 12 hours, repeated three times in order to activate the battery. This statement that "the first three charges must be charged for more than 12 hours" is obviously a continuation of nickel batteries (such as nickel-cadmium and nickel-hydrogen). Therefore, this argument can be said to be misinformation at the beginning. The charge and discharge characteristics of lithium batteries and nickel batteries are very different, and it can be clearly stated that all the serious formal technical information I have reviewed emphasizes that overcharge and overdischarge will affect lithium batteries, especially liquid lithium. Ionic batteries cause great harm. Therefore, it is best to charge in accordance with the standard time and standard methods, in particular, do not charge more than 12 hours. In general, the charging method described in the cell phone manual is a standard charging method suitable for the cell phone.
Third, other points of attention The battery is already activated. This is because the battery has this process in the battery manufacturer's production process. Called "chemical". That is the meaning of activation.
Charging time must be more than 12 hours, in fact, is useless, mobile phone battery is equipped with a protection board. This protection board automatically shuts off when conditions are met.
A, overcharge protection. That is, the battery will automatically stop charging when it is full.
B, over discharge protection. That is, when the battery reaches 3.2V, it will automatically stop discharging.
C, short circuit protection. That is, the battery will be automatically disconnected if it is accidentally short-circuited.
In other words, the average battery is full for 2-3 hours. When it is full, the charging circuit has actually been disconnected. So it is meaningless.
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