Laptop Battery Repair Software Free ##TOP## Download

Dear buddies,

I personally think the replacement of old cells by new ones following this instruction will not work in most cases. This guidance may be suitable for the very old laptop models only. From my understanding, the laptop bettery circuit contains an EPROM chip and this chip has several functions for the battery, of which counting the number of charging and discharging is one amongst other functions. When the battery is almost die, the EPROM also records the status of the cells (i.e. nearly die), and if the replacement of the old cells by the new ones without the re-flashing of the EPROM, the replacement should make no sense at all. Re-flshing of the EPROM in the battery circut is done by a speacial device with a specific software so that the EPROM recognizes the new cells as brand new and counts the charging & discharging as zero or something like that.

Best,

Greetings from Vietnam

I have followed the steps correctly; the batteries have been recognized but not charging so think the EPROM chip is not recognizing the battery

can the eprom chip be reset

how do we do that

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Some time a l.t battery is dead

Becoz,, of circuit is dead not the batteries.

But sometimes few cells are dead in a battery

I have opened many l.t batteries

My experience was 60:40 where 60 is good 40 is below 1000 mah (can be used for other projects)

Circuits never die. It locks itself and sets itself "Permanent Failure" flag then blows the fuse when it dedected some issues,like when 1 cell died in battery. one died cell will make battery extremely unbalanced , it will heat pretty much then battery will lock itself

If you have a Lenovo/IBM battery. Dont try this. It will OK to disconnect cells . but when you reconnect new cells , it will enter pf mode and blow the fuse when you triggered a power reset of circuit / smb controller.

And when you trying to recell a battery , first disconnect GND at end of the cells , when you builded all cells , connect GND last. Because removing gnd will immediately power down battery controller. If you disconnect cells randomly , battery will dedect imbalanced cells and it will enter the permanent failure mode.(And if you have a battery with a external eeprom (like bq2040/2060) backup eeprom first in case battery gets locked , just rewrite backup to battery then powercycle the circuit)

The typical SMBus battery has five or more battery connections consisting of positive and negative battery terminals, thermistor, clock and data. The connections are often unmarked; however, the positive and negative are commonly located at the outer edges of the connector and the inner contacts accommodate the clock and data. (The one-wire system combines clock and data.) For safety reasons, a separate thermistor wire is brought to the outside. Figure 1 illustrates a battery with six connections.

Establishing the connection to the battery terminals should now enable charging. If the charge current stops after 30 seconds, an activation code may be required. Some battery manufacturers add an end-of-battery-life switch that turns the battery off when reaching a certain age or cycle count. They argue that customer satisfaction and safety can only be guaranteed by regularly replacing the battery. Mind you, such a policy also rotates inventory.

If at all possible, connect the thermistor during charging and discharging to protect the battery against possible overheating. Use an ohmmeter to locate the internal thermistor. The most common thermistors are 10 Kilo Ohm NTC, which reads 10k at 20C (68F). NTC stands for negative temperature coefficient, meaning that the resistance decreases with rising temperature. In comparison, a positive temperature coefficient (PTC) causes the resistance to increase. Warming the battery with your hand is sufficient to detect a small change in resistor value when looking for the correct terminal on the battery.

You will also need to be aware of compliance issues. Unlike other regulated standards, the SMBus allows variations and this can cause problems. The repaired SMBus battery should be checked for compatibility with the charger. Batteries for critical uses, such as heathcare, are typically replaced and not repaired. See also www.sbs-forum.org and www.acpi.info.

I appreciate your write up on laptop battery repairs.

Please when a laptop battery is replaced and there is no voltage at the outer terminals, but there is at the battery terminal.

(1) What are the appropriate steps to take to get this rectified without damaging the BMS.

(2) Where is the switch or reset on laptop BMS

(3) What is the fuse in the laptop BMS

Will appreciate a response from you.

Thank you.

My laptop has been randomly going from 35 to 0 percent in an instant and I think I should replace the battery before they go obsolete. HP doesn't sell that battery and best buy doesn't have any in stock so I'm looking 3rd party

This article was co-authored by Luigi Oppido and by wikiHow staff writer, Jack Lloyd. Luigi Oppido is the Owner and Operator of Pleasure Point Computers in Santa Cruz, California. Luigi has over 25 years of experience in general computer repair, data recovery, virus removal, and upgrades. He is also the host of the Computer Man Show! broadcasted on KSQD covering central California for over two years.

This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources.

This article has been viewed 901,458 times.

This wikiHow teaches you how to restore some life to a laptop computer battery. While you can do a few things to boost your battery's lifespan, computer batteries must be replaced every 2 to 3 years for optimal performance. Also keep in mind that if your laptop has a lithium battery, freezing it or repeatedly discharging it completely will damage the battery further.

Our Professional Laptop Battery Analyzer and Repair Tool NBLA1 can be used to diagnose, revive/wake up, charge, discharge, calibrate, reset the chip or measure the real capacity of almost all laptop batteries on the market. The ultimate Chip Reset function converts the NLBA1 device into a professional tool to repair laptop batteries.

The PRO Laptop Battery Repair NBLA1 Tool can repair almost all laptop batteries on the market. Our equipment is able to program and reset the chips inside the laptop batteries. It can unseal the laptop battery chips, clear the errors, reset the PF Flag, and update EEPROM parameters: Manufacturer Date, FCC, Cycle Count. We offer step-by-step instructions on how to repair laptop batteries by editing the EEPROM parameters on the forum.

I have an old Macbook Pro 2013 UK version, and it's broken. I have a feeling it's the charging circuit for the battery that's broken, and that everything else works fine. I'd like to have a go at fixing this myself. My first thought was that if I removed my laptop's battery, and connected an adjustable power supply in its stead, which supplied the same voltage to the board as the battery would, then I could at least get the thing to boot and run- just to confirm my theory. Then I can research the cost/method of replacing certain charging circuit components and decide if it's worth it.

It's come to my attention recently that the battery for my laptop has been significantly depleted to the point where even at 100% battery it'll take approximately a hour to become depleted as compared to a few hours.

Is it possible for my laptop to be sent in for repair, so that it can have its battery replaced, even though my warranty has expired? I'd be happy to pay a fee for this, since understandably it is no longer covered.

I'm aware there are available resources online that make it so that I can replace the battery myself, however, I don't have the tools to perform it and I can't find an official battery replacement (I don't want to use 3rd party batteries that I don't trust). As a result, I think the best solution would be to have it sent for repair.

HP does not really replace batteries on out of warranty laptops. That would be like sending a car that needs the brakes relined back to the factory. It would justifiably cost a fortune. We can find you a genuine HP battery to buy from a UK seller and then if you do not want to do it yourself you would have to find a service shop. Its a 10 minute job for a laptop technician with even basic skills. Post back if you want more help.

That is true while under warranty, but after that you are essentially on your own for repairs. People should not be afraid to fix their electronic products and maybe not quite as many will wind up in landfills. Good luck. Some cell phone repair shops will swap out a laptop battery for you and a good one will do it literally while you wait.

Background: I have a laptop with a bad battery. Upon opening it up and testing the six 18650 cells that make up the battery, I found one to be completely discharged while the other five were still at an acceptable voltage. I partially charged this cell in isolation to bring its voltage back up to the average of the others in an attempt to get the battery working again. Which it did. But the battery isn't lasting nearly as long as it used to, so I am assuming this one cell is damaged.

Now my actual question is whether I could e.g. replace the cell with a 2000mAh cell when the others are 2600mAh, or if that's a bad idea. We're talking about a laptop battery here with a relatively low current draw and fairly advanced charge controller. Though I admit that I know nothing of these things aside from what I learned in school up to 10th grade in the 90's. ff782bc1db