Alkaline manganese laptop battery round round 2% zinc carbon batteries <4%
About 1% of lithium-ion Ni-Cd / Ni-MH battery <35%
What is a short-circuit, short circuit impact on battery performance?
Battery connected to any conductor at both ends of the external short circuit can cause the Hp laptop battery type, short-circuit may have the consequences of varying degrees of seriousness. Such as: electrolyte temperature rise, such as internal pressure increases, air pressure value in excess of battery voltage value blocks , the battery will be leakage. This is a serious damage to the battery. If the safety valve failure, and may even cause an explosion. not to an external short-circuit the battery.
What is a memory effect and how to eliminate the memory effect?
Memory effect for the purposes of nickel-cadmium Hp F4098A battery, as the traditional sintering process is extremely negative-type, coarse grain cadmium, nickel-cadmium batteries if they are fully discharged before re-charging, easy grain cadmium battery of poly IC the formation of sub-discharge when the discharge platform. discharge the battery will be stored in this platform and will be in the next cycle as the end of discharge, although the capacity of the battery itself can discharge the battery to the lower platform. in the future the process of battery discharge will only remember the low-volume. the same in every use, any incomplete discharge will deepen the effect, so that the capacity of the Hp F4809A battery becomes lower
To get rid of this effect, there are two ways, first, the use of small current depth of discharge (such as release 0.1C to 0V) First, the use of high-current charge-discharge (for example, 1C) several times.
Zero battery voltage or low voltage may be reasons for that?
1. The battery to external short-circuit or overcharge, anti-charge (mandatory take-off);
2. Batteries by continuous high-rate high-current charge-off, resulting in expansion of the battery very core, is direct contact with negative short-circuit;
3. Internal short-circuit the Hp F4812A battery, or micro-short-circuit, such as: positive and negative films have a burr penetration divide short contact paper, negative film is placed properly, a short circuit caused by contact with a pole piece, or a short circuit steel cathode contact film, negative electrode powder into the diaphragm out of paper , divide paper in itself flawed, very positive piece of negative short-ear contact.
Zero-voltage battery or low voltage may be what causes?
1. Whether the single zero-voltage Hp 319411-001 battery
2. Plug short circuit, open circuit, not connected with the plug
3. Never lead and battery
4. Battery internal connection error, connection between the chip and battery leakage welding.
5. Electronic components to connect the internal battery is incorrect, damaged
Batteries, rechargeable battery power may not enter the reasons for that?
1. The battery voltage or zero-zero-voltage battery pack in the Compaq Presario 2100 battery (compaq 2100 battery)
2. Battery connection error, the internal electronic components, circuit protection unusual
3. Recharging equipment failure, no output current
4. External factors lead to low charging efficiency (such as low or high temperature)
Battery, battery pack may be unable to discharge the reasons for that?
1. Battery as the storage, use, life decay
2. Recharging or charging less than
3. The ambient temperature is too low
4. Discharge less efficient, such as the large current discharge due to internal Compaq Presario 2500 battery (compaq 2500 battery) when the ordinary substances could not keep pace with the proliferation of reaction speed, causing the drastic drop in voltage can produce electricity
When the battery is full of why a sharp rise in temperature, voltage dips Why?
When the battery is fully charged and then continue to charge-off is necessary and sufficient, as the positive electrode Ni (OH) 2 has been almost wholly transformed into NiOOH, battery potential temperature in the balance of this value (maximum), when the external constant current charge-off to make arising from OH-oxidation of oxygen.
Chemical reaction: 4OH-+ eO2 +2 H2O + heat
Divide the production of oxygen through the paper and have a cadmium anode composite:
2Cd + O22CdO + heat
Reaction of the compound a lot of heat, causing the Compaq Presario NX9010 battery temperature of the system. Therefore, at this time there is a sharp temperature rise. And as a result of the higher temperature, the lower the equilibrium potential battery, the battery temperature rise will inevitably lead to decline in equilibrium potential, so dump when the existence of the phenomenon of the battery voltage.
Point at the end of the battery, convex belly, and even the possibility of leakage due to what?
1. Overcharge the battery, especially for high-rate high-current charge-off
2. Be compelled to have put the battery
What is the explosion of the battery and how to prevent battery explosion?
Any part of the battery within the instantaneous discharge of solid material, was pushed away from the Compaq Presario NX9000 battery to more than 25cm distance, called the explosion. Discriminant battery explosion or not, the following experimental conditions. Will be a network of experimental hooded batteries, battery live in the middle, away from the network of cover for either side of 25cm. net density of 6-7 root / cm, a diameter of cable used 0.25mm soft aluminum, if the non-solid part of the experiment through the network mask to prove that the battery did not explode.
The protection of the type of battery components and their respective advantages and disadvantages of that?
The following are several common components of the battery to protect the performance comparison:
* Thermal switch (PTC): used as a Hp F2299A battery of high-current protection circuit that it can rapidly induced changes in currents and temperature, the temperature is too high or too much current can the switch in Bimetal temperature switch rating , beyond metal, used batteries and protect the role of electrical appliances, due to sheet metal may not be reset after the escape, resulting in battery can not work.
* Over-current protection device (PTC): is too large for the battery-current protection, the device with increasing temperature, a linear variable resistor, and when the current or temperature to a certain value, the resistance mutation (large ), so that changes to the mA current level until the temperature dropped, will return to normal, also can be used as electrical connection to the battery pack film series, but its price is higher
* Fuse: Current and temperature sensor circuit, when the circuit current rating or the battery more than the temperature rise to a certain value, the fuse fuse to disconnect the circuit in order to protect the Hp F3172A battery from damage and the use of electrical appliances. Fuse after the fuse can not be restored, the need for timely replacement is too much trouble.

questions of battery What are the laptop battery life when the note?
1. Carefully read the battery specification, use the recommended battery;
2. Check the electrical and battery contacts are clean and, if necessary, clean with a damp cloth, dried into the correct polarity.
3. No adult custody, do not let the child replace the dell laptop battery, small batteries such as AAA should be placed where children can not get.
4. Not to the old and new batteries or mix dell batteries of different models
5. Do not try to use heating or other method of charging a battery of renewable
6. Do not short-circuit the battery
7. Do not heat the battery or batteries thrown into the water
8. Do not demolish the battery
9. With electrical disconnect switch should be used
10. Should not be used from a long-term out of dell INSPIRON 2650 battery power apparatus
11. Batteries should be stored in a cool, dry, non-direct sunlight Department
Batteries have any effect on the environment?
Not present in almost all mercury-containing batteries, but is still heavy metal mercury batteries, rechargeable nickel-cadmium batteries, lead-acid batteries of the necessary components. If improperly disposed of, and in larger quantities, these heavy metals will have a deleterious effect on the environment . At present, there are specialized agencies of the international recovery of manganese oxide, nickel, cadmium and lead-acid dell 1G222 battery.
RBRC companies such as the non-profit organization
Nickel-metal hydride batteries and lithium-ion batteries for environmentally friendly battery, there is no environmental pollution problem.
Ambient temperature will affect battery performance?
Of all the environmental factors, the temperature on the battery charge-discharge performance of the largest in the electrode / electrolyte interface the electrochemical reaction with ambient temperature of the electrode / electrolyte interface is considered the heart of the battery. If the temperature drop in the electrode reaction rate also fell. Assuming the battery voltage to maintain constant lower discharge current, dell BAT3151L8 battery power output will fall. If the temperature rises and vice versa, that is, the dell inspiron 4000 battery, dell inspiron 4100 battery, dell inspiron 4150 battery, dell inspiron 8000 battery output power will increase. Electrolyte temperature also affects the transmission speed, temperature rise is accelerated, sending the temperature dropped, sent down, the battery charge-discharge performance will also be affected. However, the temperature is too high, more than 45oC, the battery will destroy the chemical balance, resulting in side effects.
Nickel is separated from Ni-MH dell Latitude X300 battery discharge efficiency at low temperatures there will be significantly lower (such as below-15oC), while in-20oC, the alkali solution to reach freezing point, the battery charging speed will also be greatly reduced. 0oC at low temperatures could increase the battery when the charge pressure relief valve may also open. In order to effectively charge, ambient temperature range should be between 5-30oC, the general charging efficiency with increased temperature, but when the temperature rose to more than 45oC, high temperature performance of rechargeable batteries will be the degradation of materials, the battery cycle life would be substantially shortened.
Charging what the control methods?
In order to prevent the rechargeable batteries have the need to control the end of charge, when the battery is full, there will be some special information can be used to determine whether the destination charge. Generally have the following six ways to prevent dell W0465 battery overcharge.
1. Peak voltage control: the peak by detecting the battery voltage to determine the end of charging;
2.dT/dt control: peak temperature by detecting the rate of change of battery to determine the end of charging;
3. △ T Control: battery fully charged when the temperature and the difference between the ambient temperature will reach the largest;
4 .- △ V control: When the battery is fully charged to reach a peak voltage, the voltage will drop a certain value;
5. Timing control: by setting a certain degree of charge time to control the final charge of electricity, the general set to charge into the 130% nominal capacity to control the time required;
6.TCO control: safety considerations and characteristics of the dell Inspiron 2000 battery should avoid high-temperature (high-temperature battery) charge, so when the battery temperature should be 60 ℃ to stop charging.
What is Overcharge, over-charging of battery performance impact?
Overcharge refers to the process of the battery is full by a certain electric charge, and then continue to charge the behavior of NI-CD batteries, Overcharge produce the following response:
Anode: 4OH-4e2H2O + O2
Negative: 2Cd + O22CdO
As the design capacity of negative electrode capacity than the higher level is, therefore, produce oxygen cathode of paper with the negative electrode through the diaphragm have the cadmium compound. Therefore, under normal circumstances, the internal pressure of the dell Latitude LS battery will not be significantly higher, but if the charge current is too large, or charging for too long, too late to be generated by oxygen consumption, may result in hypertension, battery deformation, leakage, and other undesirable phenomena. At the same time, its electrical properties will be significantly reduced.
What is the over-discharge, over-discharge of the battery performance impact?
End of internal storage battery put the battery voltage reaches a certain value, continue to discharge will result in over-discharge, usually under the discharge current to determine the discharge cut-off voltage. 0.2C-2C General Settings discharge 1.0V / support, 3C, such as 5C or above 10C discharge is set to 0.8V / sticks, battery cells could have been released have disastrous consequences, in particular over-current release, or have been repeatedly put a greater impact on the dell 2834T battery, in general, have the battery will discharge in hypertension is reversible negative electrode active material damage, even if only part of the resumption of charging capacity will be significantly attenuated.
Batteries, battery discharge time is short of the possible reasons for what?
1. The battery is not fully charged, if the charge was not enough time, charge and low efficiency
2. Discharge current is too large, resulting in reduced efficiency dell 4834T battery in the discharge so that the discharge time
3. Battery discharge when the ambient temperature is too low, the discharge efficiency
Short battery life may be reasons for that?
1. Charger or charging circuit and battery type does not match
2. Overcharge, over-release
3. Cell types and with different electrical requirements
Combination of different capacity with the use of the battery problems that will arise?
If the old and new batteries of different capacity or mixed use, the possibility of leakage, zero-voltage and so on. This is because the charging process, the capacity charge led to some of the differences were too rechargeable batteries, some battery is not full of electricity, the discharge capacity from time to time The battery does not put high-end power, while the capacity was too low release. so a vicious cycle, battery leakage or damage to the low (zero) voltage.
Or long-term use after the battery does not use electrical appliances can be saved with the use of it?
If you use electrical appliances do not use a longer period of time, it is advisable to take out the dell Inspiron 6400 battery and put in cold, dry place, if not to do, that is, use of electrical appliances are switched off, the system will still have a low battery current output, which would shorten the battery life.
After each use cordless telephone base should be returned to you?
Cordless telephone in accordance with the practice and the design of each machine after use should be back seat. This will activate the battery, the release added capacity and as a result of loss of self-discharge capacity. But we propose to fully discharge the battery or in order to restore the battery the initial discharge capacity and performance. Of course, if long-term non-use of phones, best cordless phone to take down, to avoid charging the dell Inspiron E1505 battery too long. In addition, because cordless phones even in the shutdown, the system is still a small current in the discharge Therefore, no long-term battery should be removed to pave the way place, use rechargeable.
What kind of batteries stored in the environment better?
According to IEC standards, the battery should be at a temperature of 20 ± 5 ℃, humidity (65 ± 20)% under the conditions of storage. In general, the higher the temperature of the battery storage capacity of the remaining lower. On the contrary, is the same. 0-10 ℃ refrigerator temperature is the best place for storage batteries. Especially for a dell Inspiron E1705 battery, while the secondary battery even if the storage After the loss of capacity, but as long as it can re-charge and discharge times to restore.
How long the battery can store?
On the theory, battery storage and energy loss total. Electrochemical battery inherent structure of the battery capacity loss is inevitable, mainly due to a result of self-discharge. Usually the size of the self-discharge in the electrolyte and cathode materials of solubility and its instability after heating (easy to self-decomposition) of the. rechargeable battery than a battery self-discharge, but also the different types of batteries, the battery self-discharge rate per month is not the same. generally 10-35 % change. a battery self-discharge obviously much lower, at room temperature does not exceed 2% per year, storage and self-discharge process is associated with increased battery internal resistance, which can cause the dell Inspiron 6000 battery (dell 6000 battery) to reduce the load force, and in the discharge current larger cases, the loss of energy is very obvious changes, the following table lists the storage conditions of normal approximation of the self-discharge: