How to repair your laptop battery-step one

Battery in a total of 9 can be placed 18 mm in diameter, 65 mm length models the core of the location of the lithium batteries 22 years of Panasonic batteries in parallel, three groups of the series (okay, my new dell the battery, it seems that it is 6), there is a very fine control with a single chip - the protection circuit, the circuit for the team a total of five output contacts, respectively, are negative clock and data. First, check the sticky in the detection probe battery temperature (heat resistance), and certain temperature protection, are also normal. Test-retest of the battery voltage of each group, in which two sets of battery voltage of 3.8V, normal, a battery voltage of 0V, seems to have expired. The total voltage of the battery 7. 6V, then the fact that the battery has not opened, then the measurement of very small internal resistance, almost in a state of closed circuit.

First, the lack of agreement with dell u4873 li-ion rechargeable battery, repair of batteries based on past experience, the fact that the battery can not be completely damaged, can be activated through a variety of methods, including performance of state for the short-circuit the battery. The battery voltage to 0 with one end connected to the circuit board offline to avoid damage to circuit boards in operation. open circuit voltage of the battery after the re-survey, remains 0V, ruled out the possibility that short-circuit boards.



By shorting the battery failure, the method is more effective method of high voltage current time, using the old IBM power supply (my backup power), max 16V 3A output string on the meter ( a tributary of the current file 20A), the first negative power delivery even with the battery anode and a cathode power meter then feather table red table with a touch of black feathers cathode Meter Battery, speed, faster as far as possible, the first two degrees to see the meter has reached nearly to the 2A (moment) and the third in only 0.4 A for an immediate end to measure the voltage the battery has been restored to about 3 V, the internal battery short circuit that has been boiling instant high current (If you do not damage the battery to stop immediately, even if so, the battery life and have capacity ifdo the impact, if conditional, or recommend replacement, but if the replacement, then try to replace the entire battery.) However, the batteries should be a separate charge (if the battery charge of the whole group, this will result in the other two groups had mesenchymal cells), connect the charger to start charging ammeter to monitor during the current load of 500 mA or so, 3.6AH battery current is small, but the charger is the charging current is limited and a small current to the dell xps m1330 battery is good for the resumption. After about six hours, the charger showed the battery is full, continue to the new position for about two hours, remove the battery, the voltage of 4. 2V far been achieved, with bright halogen bulb in the lantern (3V, 500 mA) to meet her, the focus of strong discharge current of 700 mA, the battery pack has been basically restored, continue to play until the battery voltage to 3.8 V, with the purpose of the two groups with the same battery voltage, charging time together in order not to overload the back to solder the battery pack any battery circuit.



Since the battery voltage Dell Inspiron 6400, while the circuit board there is no exit, then surely have damaged circuit boards, after observation, negative input circuit board (making battery) output ( at the time output contact) is directly connected, and the positive input and output control of high power thyristors, the thyristor remains in state court, ie, the control circuit is not output signals to control SCR control terminal, or simply, the SCR has been destroyed. (Measured after the control signals that I did not) because they have the ability to repair single-chip microcomputers. DELL to take into account the protection of the most perfect BB, is about to run out of battery power will turn off automatically when the battery is intended to be used for entertainment, therefore, need not worry too much about, so I decided to shake the battery circuit protection CV, depend directly on BB protection circuit. SCR is the input pin and output (ie, the cathode circuit board input and output pin) between the solder in a fuse of 2 small, 2A fuses select the reason is based on actual usage, the most large power consumption of computers, the current does not exceed 1.9 A, 2A capacity sufficient unusual circumstances (eg accident short circuit), but also to ensure that the fuse of the time, but also play a role in protection.

Charge The Battery To The Laptop

There is no anamnesis aftereffect on lithium, to the best way to abstain the anamnesis aftereffect is acceptable to ability afterwards the exhaustion. Generally speaking there is aswell a anamnesis aftereffect of lithium is alone just abate than the nickel-metal hydride. If you allegation the array to the laptop, try to abstain too long, the accepted ascendancy aural 12 hours. Must be a abounding charge, contrarily it will accident the battery. This is based on the bargain allegation to abstain the allegation by accretion the amount of cycles and abbreviate array life; and not due to "memory effect" problem, lithium batteries dell xps m1330 battery do not like the nickel-cadmium batteries and nickel-metal hydride batteries accept "memory effect", lithium batteries do not accept "memory characteristics. "
Such as charging the apparatus is shut down or beddy-bye state, if the allegation to 3 to 4 hours afterwards the blooming ability indicator is no best beating, electricity has accomplished 100% at this time, unplug the AC ability bond should be appropriate to anticipate blackmail and could cause the array accident the battery.Such as charging the apparatus is cat-and-mouse for, hang, or ancillary by ancillary bushing the state, if the allegation to 3 to 4 hours afterwards the blooming ability indicator is no best beating, the array allegation cachet is automatically out.

Things to consider when buying battery charger

your requirements and action your top arete account for years to come. A archetypal array charger could handle either NiMH or even NiCad batteries. A NiMH charger commonly works with NiCad cells, but do not plan carnality versa. Most array chargers are advised to plan with AA or AAA dell xps m1330 battery batteries.
Certain cyberbanking articles allegation an amazing start-up array charger that is frequently offered by the manufacturer. The boilerplate array charger has a adequacy of either four or some times six batteries. Ideally, you accept to accept no beneath than an added brace of answerable batteries readily accessible at all times, so ensure your array charger could administer the load.
The appropriate array charger is automatic by agency of an AC outlet. Smaller units bung up beeline into the outlet, authoritative them abundantly acceptable for humans on the go. Because they are deliberated befitting travelers in mind, these array chargers frequently plan with both 100 and 220 volt outlets with out the wish for an adapter. Cheaper laptop array chargers accept allegation of an alien advocate in the appearance of a ability brick that moves electricity to the charger by agency of a ability cord. This affectionate of charger is abundant affordable but too inconvenient, and it added generally than not cannot handle 220 volts unless a chic adapter is added.
One affection arete paying added money on is a charger control. An big-ticket laptop array charger has a able computer chip, which switches the charger off if the batteries are absolutely charged. It could as able-bodied admit how abundant allegation is at aboriginal in the batteries and alone add whatever is again needed. Cheaper chargers, in contrast, allegation batteries for a anchored breadth of time that could as able-bodied blackmail the array and abate its life. A simple LED is on an boilerplate acclimated to point to if the allegation aeon is complete.