Battery and charging base

To get the machine, the first step is to charge. Because batteries are lithium Dell Latitude D610 AC Adapter batteries, and the factory has been activated before. So we need to do is plug in the charger full of wife can be.
Lithium batteries are durable, so it was not delicate, we can treat it frankly does not need expensive coupled to its original cradle, generally have the common cradle to the brand, the price of 15-20 dollars, eliminating the need for a direct charge to rely on cell phone restrictions. Cradle with fast charging (2-3 hours) and slow charge (10 hours up and down) of the points, if the Vostro 1400 battery fast charge more choices is better.
In addition, because the characteristics of lithium batteries do not need to discharge and overcharge operation. Battery life depends entirely on how much time the effective charge. In other words, even if you only spent half of it to begin charging the battery life is also not affected.
1. Understanding of memory effect
Battery memory effect is reversible battery failure, that battery failure can be re-response performance memory effect refers to the HP Compaq Mini 700ET battery for a long time subjected to a particular work cycle, automatically keep this particular trend. The first definition of the nickel-cadmium batteries, nickel-cadmium battery bag does not exist memory effect, sintered battery memory effect, while the current nickel metal hydride (commonly known as nickel metal hydride) battery memory effect is not defined by this constraint.
Because modern nickel-cadmium dell inspiron 600m battery technology improved, the memory effect has been reduced significantly, while the other replaces the definition of a phenomenon that is nickel-based batteries "lattice" of, usually, by two nickel-cadmium batteries effect of the combined effects of the nickel-metal hydride batteries only by the "lattice" of the memory effect, and impact than nickel-cadmium batteries for small.
In practice, the method to eliminate the memory effect, there are strict standards and an operating process. Improper operation would be counterproductive.
For nickel-cadmium dell inspiron 14 charger batteries, regular maintenance is regular deep discharge: use per month (or 30 cycles) to conduct a deep discharge (discharge to 1.0V / per session, foreigners call it exercise), normal use is to try to run out of battery or other means can be used to ease off the formation of memory effect, but this is not exercise, because the instrument (such as mobile phones) is not used 1.0V / shutdown before each section must be specialized equipment or the line to finish the job Fortunately, many Ni-MH battery charger with this feature.
No exercise for long-term nickel-cadmium batteries, because of the cumulative memory effect, can not exercise the capacity of response, then you need a deeper discharge (foreigners said recondition), which is a very small current for a long time on Inspiron 5160 AC Adapter battery discharge to 0.4V each section of a process that requires specialized equipment.
For the nickel-metal hydride batteries, exercise frequency conducted about once every three months can be an effective mitigation memory effect, because the nickel-metal hydride battery cycle life is far less than the nickel-cadmium batteries, almost less than
recondition this method.
▲ Recommendation 1: Every time discharge the battery before charging it is not necessary, but is harmful, unnecessary because the lenovo thinkpad x60 tablet pc 6366 battery life cut short.
▲ Recommendation 2: Use a resistor connected to the battery positive and negative discharge is not desirable, the current can not control, easy for me into the 0V, and even lead to the battery series battery polarity reversal.
2. Batteries need to activate it
Answer is that the battery needs to be activated, but this is not the user to do, I visited the production of lithium-ion battery plant, lithium-ion dell inspiron 6400 battery at the factory used to have to go through the following process:
Lithium-ion battery shell sealing ---- --- instilled into the electrolyte is constant charge and discharge, so for a few cycles, the electrode electrolyte infiltration fully, fully activated, with a capacity to meet the requirements so far, this is the activation process --- sub-capacity is the capacity to select a different test battery performance (capacity) batteries are classified, into the stylistic st5010 battery  level, capacity matching, so that out of the lithium-ion battery to the user's hand is already activated off the We all commonly used nickel-cadmium batteries and nickel-metal hydride battery is activated only after the case into the factory, some of which require the activation of the battery cell in the open state, activated later sealing, this process may only be done Inspiron 1545 battery manufacturers the.
There is a problem that the factory battery battery factory to user's hand, this is sometimes a very long time, as short as one month or as long as six months, this time, because the battery electrode materials will be passive, so the manufacturers recommend the initial use of battery is best for 3 to 5 times full charge and discharge process, in order to eliminate electrode materials passivation, to reach maximum capacity.
Promulgated in 2001, three on nickel-metal hydride Nickel-cadmium and lithium-ion battery of the national standard, its initial capacity test are clearly defined, five times the lenovo thinkpad t61 7659 battery  can be placed deep charge deep, when once the required time, You can stop the test, which I said, good explanation of this phenomenon.
        ★ so called "second activation" is possible, the user first use of the "new" battery several times as deep discharge cycle.
● However, according to my tests (for lithium-ion battery), storage period of 1 to 3 months of the lithium-ion battery, put it deep charge deep-cycle process, its capacity to improve the phenomenon is almost non-existent
3. 12 hours to charge it three minor
★ ★ ★ The answer is no charge 12 hours.
Early mobile phones because of the need to add nickel-metal hydride lenovo thinkpad l512 battery and trickle charging process, to achieve the most perfect state of full charge, it may take up to 5 hours or so, but also do not need 12 hours, while the constant current constant voltage lithium-ion rechargeable battery determine its characteristics is the deep need 12 hours charging time.
For lithium-ion batteries Some people may ask, since the constant voltage phase of the current lithium-ion battery decreases, is not infinitely small when the current is small when the charge is the real deep and I have to draw constant period of time the current decreases curve, it conducted a number of curve fitting and found that this curve can be 1 / x function approach close to zero current, the actual testing because lithium-ion toshiba pa3356u-1brs battery self-discharge phenomenon itself, the zero-current is never reached .
With 600mAh battery, for example, to set up current 0.01C (ie 6mA), it's 1C charging time is not more than 150 minutes, then set up current 0.001C (ie 0.6mA), it is possible for 10 hours charging time - - The problem of accuracy because the equipment has been unable to obtain accurate, but from 0.01C to 0.001C capacity is calculated by only 1.7mAh, multi-use more than seven hours in exchange for less than this mere thousandths capacity is no practical significance.
Moreover, there are other charging methods, such as pulse charging the lithium-ion Universal External Laptop Battery to limit the voltage reaches 4.2V, it is no cut-off to determine the minimum current stage, it is generally 150 minutes after a full 100% charge many cell phones are with a pulse charging mode.
Some people have been using a mobile phone display is fully charged, charging cradle and then to confirm the extent of fully charged cell phone, the test method less rigorous.
First charger green light not detect whether or not a true full charge basis.
★ ★ testing lithium-ion battery is fully charged or not, the only way is to test the final without charge (not discharged) the lithium-ion battery when the voltage.
The so-called constant phase current decreases its real purpose is to gradually reduce the resistance on the battery charge current generated by the additional voltage, when the current is small as 0.01C, such as 6mA, the current by the hp compaq mini 700et battery internal resistance (typically 200 Within milliohms) is only 1mV, that when the voltage is no current state of the battery voltage.
Second, the phone does not necessarily equal to the reference voltage of reference voltage charger, mobile phone that fully charged battery to the charger, the charger is not considered to have fully charged, but continue to charge.
4. Rechargeable batteries have the best state you
There is a saying that, rechargeable batteries used properly, will appear in a range of a cycle the best state, is the largest capacity. This points to the situation, sealed nickel-metal hydride battery for Lenovo ThinkPad L512 and nickel cadmium batteries, if used properly (such as regular maintenance, to prevent the memory effect and cumulative), usually 100 to 200 cycles to reach its maximum capacity at such factory capacity 1000mAh nickel-metal hydride battery 120 cycles, its capacity may reach 1100mAh. Almost all Japanese nickel-metal hydride battery manufacturers specifications book describes the cycle characteristics of nickel-based batteries on the map I can see this description.
★ nickel-based batteries have the best state, is generally between 100 to 200 cycles to reach its maximum capacity
For the liquid lithium-ion battery, but there is no such a cycle capacity hump phenomenon, from the lithium-ion battery factory to the final battery for acer aspire 5920g scrap until its capacity is to use the performance a little time. I do cycling for lithium-ion battery performance, they also have the capacity never seen signs of recovery.
★ Lithium ion batteries are not the best condition.
It is worth mentioning that the lithium-ion batteries are more vulnerable to changes in ambient temperature performance of different performance, 25 to 40 degrees ambient temperature will show its best performance, and low or high temperature condition, his performance is significantly impaired the . To make your lithium-ion Acer BATCL50L battery fully demonstrated its capacity, careful attention must be use of the environment, to prevent high and low temperature phenomena, such as mobile phone on the car before the stage, direct sun at noon is very easy to make more than 60 degrees, north of the user's battery standby time, the same network circumstances, there is no long .5 south of the user. Really is the greater the charge current, the faster you charge
"On the mobile phone battery charging time," a paper has been talked about this problem, for constant current charging of nickel-based batteries, so to speak, and the corresponding lithium-ion FUJITSU LIFEBOOK C2330 , this is not entirely correct.
★ ★ For the lithium-ion battery charging, to a certain current range (1.5C ~ 0.5C), constant current constant voltage charging method to improve the constant current value, and can not be fully charged lithium-ion battery to shorten the time.