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  1. Are we new in the business?
  2. Why get a refill or exchange instead of purchasing a new battery?
  3. What is my first step in making a purchase?
  4. What kind of cells do you use? What is the brand name?
  5. How much will it cost?
  6. Can I refill Li-Ion Laptop batteries?
  7. Can I refill Ni-Mh Laptop batteries?
  8. I received the refilled battery pack today, but it charged in 5 minutes and ran for 10 minutes. It's exactly the same as before the refill service. What went wrong?
  9. Why did my refilled battery gauge drop to 10% only after 30 minutes, yet actually ran for more than 2 hours?
  10. Can I refill my laptop battery by myself?
  11. Can I still refill my laptop battery if the battery is completely dead?
  12. I have a Ni-MH battery. Can I refill it with Li-Ion cells?
  13. I have a Ni-Cd battery. Can I refill it with Li-Ion/Ni-Mh cells?
  14. My laptop brand does not exist anymore. Can I still do the refill?
  15. How does the refill service work?
  16. Will my battery look the same as it did before the refill?
  17. What if my battery doesn't work after the refill?
  18. What is SMBus(System Management Bus) Digital Circuit?
  19. What is the refill service success rate?
  20. What is the memory effect?
  21. What is the digital memory effect?
  22. What is Two-Way Priority mail?
  23. How do I pay by personal or business check?
  24. Can I speak to engineers directly?
  25. Do you sell new laptop batteries too?
  26. Can I buy Li-ion cells from your company?
  27. Can I buy Ni-Mh cells from your company?
  28. How can I get a refund?
  29. What is the exchange program?
1. Are we new in the business?    Answer is YES & NO.



This is our beautiful facility
in Ontario, Southern California.
Yes, this is a relatively new service provided to revive your old battery but most importantly, to protect the environment from the hazardous waste created by these batteries.   (Some of battery cells contain toxic metals, such as cadmium or lithium, which can threaten our environment if not properly discarded).

Old battery cells from your depleted battery pack will be sent to our partner company, Metal Conversion Technologies, LLC, one of the largest Rechargeable Battery Recyclers in North America.

Not only will you save money on potentially paying more for another battery but also part of your sale price will support the Natural Resources Defense Council (NRDC) to safeguard the Earth for future generations. Together, we can save our environment.
No, BatteryRefill.com has been an innovator in providing our professional Li-Ion battery refill/refurbish service worldwide for over 9 years and have performed over 70,000 orders with over 98.5% success rate.

We brought state of the art technology into our unique rechargeable battery pack refill service. For example, we use a surgical grade real-time X-ray machine, exclusively designed & developed just for us. It can penetrate and magnify up to 1600 times of its original size, ensuring exactly how & where the circuits and other major components are located without even opening the battery case.

Most importantly, we have a team of engineers who specialize in updating our own program called Doctor Battery.
We use this program to run diagnostics and to perform the resetting of variety of control circuits inside of the battery packs. Most people think that just by replacing the old cells will make the battery pack run like a brand new again. Truth is that it is not that simple.

(Please be careful to the do-your-selfers out there. Even replacing the old cells alone can be VERY VERY DANGEROUS if you donít know what you are doing. Li-Ion cells have an extremely high energy density, please do not try to solder directly on the cells. This requires special welding machines.)

We offer battery refill service on laptop batteries, broadcast camcorder batteries, power tool batteries, etc.

We gain exposure by advertising through Google and Overture and that kept us busy.    We are now providing our service to the eBay community.
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2. Why get a refill or exchange instead of purchasing a new battery?
   First, itís cheaper. Original manufactured batteries are usually twice as expensive compared to our refill/exchange battery prices.

Second, itís safer. Cheap Chinese manufactured batteries are available for most common laptop models. The safety issue arises because they design and manufacture their own versions of Li-ion protection circuits. Since we always open the battery pack and inspect the circuit boards inside, we know the differences between the original manufactured design and the cheap Chinese design. Original manufactured Li-ion protection circuits always have a minimum of double or triple levels of safety protection design. This is the reason why the original manufactured batteries are more expensive, and after-market batteries are less than half of the cost. This may not seem so important, but it is very important to have multi-level safety protectors. Even though todayís semiconductors are very reliable, they can break everything else in the world. If this happens when you have just one level of basic safety protection, it could lead to a very dangerous situation. Here are the sample pictures of two different circuits. One is the original manufacturerís battery pack, and the other is from an after-market battery pack. The difference is clearly visible without explaining what is missing on the after-market circuit.     Click on the thumbnail images to see the details.
Sony PCGA-BP2NX Sony PCGA-BP71A IBM i1400

Third, your battery will last a lot longer! Not only are we using higher-capacity cells, but Li-ion and other types of cells have a maximum 3 year shelf life. Cell oxidation begins from Day One. It doesnít matter if the battery is being used or not. When cell oxidation progresses, the internal resistance increases accordingly. That is why a 2 hour battery runs only 10 minutes after a few years. How long do you think the batteries from other companies have been stuck on the shelf? If you order from us, your battery has a minimum 2 year 11 month chemical life remaining because we get new factory fresh cells in every two weeks. We deduct 1 month because ocean delivery usually takes a little over 2 weeks.
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3. What is my first step in making a purchase?
   First, place an order online by clicking the "Find My Battery" tab and answering the questions asked or call our toll-free number. Second, send your old battery with a Pre-Paid-Postage-Label that we will email you once you place an order. Third, we will mail the refilled battery back which will contain new, longer running battery cells.
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4. What kind of cells do you use? What is the brand name?
   We only use carefully chosen brand name cells. We use Sanyo or LG cells depending on the chemistry and shape.
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5. How much will it cost?
   If you click on the "Find My Battery" tab or call our toll-free number we will provide that information for you. If you do not find your battery brand, Try Our Real-Time Quotation for Laptop Battery, DVD Player Battery, or Power Tool Battery. If you find the same battery at a lower price with exception to eBay, we will not only match the lower price, but also give you an additional 10% discount. (This price match is only void for Genuine Manufacturer's Battery Packs, not for generic after market batteries)
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6. Can I refill Li-Ion Laptop batteries?
   Yes. We do refill service for Li-Ion batteries. Refill service for the Li-Ion battery pack requires not only special equipment, but also years of technical expertise.
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7. Can I refill Ni-Mh Laptop batteries?
   Yes. Refill service for Ni-Mh batteries is relatively easy and cheaper than Li-Ion batteries.
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8. I received the refilled battery pack today, but it charged in 5 minutes and ran for only 10 minutes. It's exactly the same as before the refill service. What went wrong?
   This is due to Digital Memory Effect (please read faq #20). All refilled laptop batteries are required to be fully charged/discharged a minimum of 3 times (3 cycles). Some batteries require over 10 cycles to fully recognize their new refilled cell capacity. Here is an e-mail from one of our customers:

"I am writing in reference to my gratefulness for your wonderful service.

The computer I own is a Compaq Presario 17XL361.

I also purchased the battery refill at BatteryRefill.com about a month ago. However, the battery situation was exactly the same as before. It charged completely in five minutes and discharged in five minutes. Since I had an extra battery, I neglected the condition for about a month.

At one point, I was thinking about throwing away the product. But I wondered what would happen if I discharged the computer completely. So I booted the computer in DOS mode and waited for the battery to completely go dead. Strangely, the computer that didn't even last five minutes in Windows stayed on for nearly an hour in the DOS mode. I felt it was a good sign.

After the computer shut itself down, I connected the AC adaptor and waited patiently for the charging light to turn off. The charging process, which initially only lasted for five minutes, took about two hours for the light to finally turn off. The charging was complete by evening and I was able to use my laptop that night with the battery alone for 1 hour and 40 minutes. ^^

I think the charging capacity in the battery pack was memorized as the way prior to the refill.

The technician had told me that he installed new fully-charged battery cells. However, the circuit's memory thought it only had 10% capacity but the cells were indeed fully charged. The DOS mode does not have a power saving mode so it completely drained the battery. Thus, the new battery's 0% charge state and the battery pack circuit's discharge state were now in agreement.

I feel great because I succeeded in fixing the minor setback." - from a customer in New York, NY.
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9. Why did my refilled battery gauge drop to 10% only after 30 minutes, yet actually run for more than 2 hours?
   All refilled batteries have a "digital memory effect." This capacity recognition can be corrected after running through a few charge/discharge cycles (refer to FAQ 6). However, this specific situation requires battery calibration. We have seen some laptop batteries run for over 2 hours even when the battery gauge was only at 9%.

Most laptops come with a Battery Calibration feature in Bios (press F1, F2, or Del key when computer boots). If your laptop has this feature, please calibrate your battery. Most Compaq and some laptop brands have battery calibration programs available for download.

If you cannot find the calibration option in Bios nor the downloadable calibration program, try fully charging and fully discharging a minimum of 3 times.

Here are the instructions:

For WINDOWS 98, WINDOWS 95
  • Fully charge battery
  • Click on Start > Shut Down
  • Choose "Restart in MS-DOS mode"
  • Click OK
  • Unplug the A/C from the computer
  • Leave computer as is until it shuts down by itself, fully discharging the battery

    For WINDOWS ME, WINDOWS 2000, WINDOWS XP
  • Fully charge battery
  • Click on Start > Shut Down
  • Choose "Restart"
  • Click OK
  • Repeatedly press F8 until only a black screen with text appears (Note: If Windows starts normally, you have to restart and try again.)
  • Choose "Safe Mode with Command Prompt"
  • Unplug the A/C from the computer
  • Leave computer as is until it shuts down by itself, fully discharging the battery

    Lastly, try setting the "Low Battery Alarm" to less than 5% and set "Critical Battery Alarm" to less than 3%. You can do this by clicking on the Alarm tab in the "Power Options" icon under the Control Panel.

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    10. Can I refill my laptop battery by myself?
       This is not possible for the Li-Ion batteries. Li-Ion battery cells are not sold in the open market. Even if you find a store sells Li-ion cells, cell cost alone would be more expensive than our refill/exchange price. We can sell cheap because we buy huge quantity every month directly from manufactures. Ni-Mh or Ni-Cd cells are available at some professional electronic shops. However, even if you have the right cells, you will need to have a special welder to put together the cells. Solders don't work well on the battery tab and excess heat can damage the cells. Opening the case without damaging the circuit inside will also be difficult to do on your own. Most importantly, control circuit inside battery pack needs to be reset in order to function correctly.
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    11. Can I still refill my laptop battery if the battery is completely dead?
       We can fix most of the dead Li-Ion batteries. We can fully recover more than 95% of the dead Li-ion battery packs. There are some that do not work even after we fix the problems. These unfixable dead batteries usually have damaged circuit boards. Even though today's semiconductors are very reliable, they can still break everything else in the world; it is very rare compare to defective cells. We also found that many dead batteries have liquid damages on the circuit boards. Damages are usually done by either leaks from battery cells or liquid spilled from outside. If we find these liquid damages, we always notify the customer. If we have other batteries in stock, we offer customers upgrading to purchases with discounted prices. If we don't have the same battery in stock, we will send the dead battery back to the customer and issue a full refund including shipping.

    We found some issues with the latest laptop battery models and are working on finding solutions. We can still recover most of the latest models of dead Li-ion batteries. However, if the battery pack has some error conditions set in the control board's internal memory, then we are currently unable to reset these error conditions. If you have a laptop that is a little over one or two years and if the battery died suddenly, then your battery pack might have error conditions set inside the battery pack. The typical error conditions are abnormal temperature increases, over charged conditions, a sudden voltage drop, etc. If any of these error conditions happen, the control circuit permanently disables the battery function. There could be many possible situations for these error conditions. The most common one is the case of defective cells. Most Li-ion battery packs have 4-12 cells inside and if any one of the cells go bad, then that one defective cell can cause an error condition. Not all of the dead Li-ion batteries have error conditions. If your battery pack had the latest controller in which were are unable to currently clear the error condition, then we will offer the customer the option of upgrading to a purchase battery with a discounted price if they are in stock. If we don't have the same battery in stock, we will send the dead battery back to the customer and issue a full refund including shipping.

    We are currently working on decoding the above mentioned Li-ion controllers. Few laptop manufacturer's have made special requests to Texas Instruments for their newer Li-ion battery's circuit boards. Those latest control circuits's specifications have never been published and will not be published. Reverse engineering always takes time. We will soon find a way to fix these problems.

    Ni-Mh and Ni-Cd batteries are relatively simple and easy to refill even if the batteries are completely dead.
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    12. I have a Ni-MH battery. Can I refill it with Li-Ion cells?
       No. You can not upgrade Ni-Mh or Ni-CD to Li-Ion.
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    13. I have a Ni-Cd battery. Can I refill it with Li-Ion/Ni-Mh cells?
       Some laptops take Ni-Cd cells as well as Ni-Mh. However, we do not recommend changing the cell chemistry.
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    14. My laptop brand does not exist anymore. Can I still do the refill?
       Yes, we can do our refill service for any laptop batteries. We can do our refill service for your laptop battery and make it run better than the new one even if your laptop manufacturer no longer exists or is no longer manufacturing the batteries for your model.
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    15. How does the refill service work?
       First, we run X-ray inspection to find out how circuit and cells are located. Second, we carefully open the battery case.
    Third, we remove the old cells.
    Fourth, we place a new, welded series of hi-capacity cells into the battery.
    Fifth, we inspect the circuit and reset the controller if necessary
    Sixth, we test the battery.
    Lastly, we close the opened case and bond the case together.
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    16. Will my battery look the same as it did before the refill?
       Laptop batteries are not designed so that they can be easily opened. Some minor blemishes are unavoidable. However, laptop batteries are usually attached on the bottom or inserted into the laptop body so the marks will be barely noticeable. If the battery appearance is more important, and money is not an issue, we suggest you purchase a new battery.
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    17. What if my battery doesn't work after the refill?
       We give a 30 day money back guarantee. We will need to have the new installed cells back to issue the refund.

    If your refilled battery doesn't work, send a RMA request (under the Support tab), then we will send you another pre-paid postage envelope through the mail. You can then return your refilled battery, and we will send you back your old battery containing the old cells.

    We give a 12 month warranty for all refilled batteries. If the battery capacity drops suddenly during the warranty period, we will then provide warranty re-fill service without any extra charges. If one of the cells is dead, sudden capacity loss will occur but will never be completely dead. We can fix it if this were to occur. However, if the battery is completely dead during the warranty period, it is likely that the electronics in the battery went bad and that it is not covered by the warranty. The warranty is for the refilled cells and not the electronics in the battery pack. We cannot fix the electronics in the battery pack, so buying a new battery will be the only option if this happens.
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    18. What is SMBus(System Management Bus) Digital Circuit?
       Li-Ion laptop batteries are not simple devices. All Li-Ion laptop batteries have cell protection circuits and most of them have charge indicators. We call it a "Smart Battery." These are laptop batteries with state-of-charge-indicators.

    System Management Bus (SMBus) circuits consist of state-of-charge indication and cell protection. This circuit board communicates with the laptop and provides the remaining capacity, output voltage, and temperature information.

    Some Ni-Mh laptop batteries are "Smart Batteries".
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    19. What is the refill service success rate?
       We have had a success rate of over 92%.
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    20. What is the memory effect?
       Ni-Cd batteries, and to a lesser extent Ni-Mh batteries, suffer from what is called "the memory effect." If a battery is continuously only partially discharged before re-charging, the battery "forgets" that it has the capacity to further discharge completely. For example, if you, on a regular basis, fully charge your battery and then use only 50% of its capacity before the next charge, eventually the battery will become unaware of its extra 50% capacity which has remained unused. Your battery will remain functional, but only at 50% of its original capacity. The way to avoid the dreaded "memory effect" is to fully cycle (charge/discharge) your battery at lease once every two to three weeks. Batteries can be discharged by unplugging the device's AC adaptor and letting the device run on the battery until it ceases to function. This will insure your battery remains healthy.
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    21. What is the digital memory effect?
       While Ni-Cd and Ni-Mh batteries have a "memory effect" (refer to FAQ 18), Li-Ion batteries do not. Instead Li-Ion batteries have a "digital memory effect." Li-Ion laptop batteries require a cell protection circuit and usually have a charge indicator circuit. This charge indicator circuit records the remaining capacity of the battery cells. If different capacity or charged state battery cells are attached to the circuit, the circuit won't recognize the new information until its cells are fully charged and discharged a couple of cycles (battery calibration).

    However, unlike Ni-Cd's memory effect, the digital memory effect does not require regular cycling. It is only required whenever new cells are in place.
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    22. What is Two-Way Priority mail?
       After we receive your order online, we will email you a pre-paid postage label and instructions on how to ship the battery to us. Once we receive the battery we will refill it and send it back to you Priority Mail. Two-Way Priority mail is a term that we use and is not a service given by the Post Office.
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    23. How do I pay by personal or business check?
       You can simply order from our online ordering system. When you check out, you have the option to pay by "Visa", "Mastercard", or "Check". Choose "Check" from the payment option. Then when checking out please include a check number to complete your order. For refills, please include the check along with a reference to your order number (or a copy of your confirmation email) together when sending in your battery to us. Note: We must receive the check before sending out the order.
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    24. Can I speak to engineers directly?
       If you want to speak to one of our engineers then please email us at support@batteryrefill.com and we will have someone call you. They will be able to communicate with the technician on any questions that you may have.
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    25. Do you sell new laptop batteries too?
       We currently only refill batteries and have selective exchange services. All of our batteries that are sold are refurbished batteries which means that it has brand new battery cells but the battery casing may be used.
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    26. Can I buy Li-ion cells from your company?
       Sorry, we do not sell Li-Ion cells to customers.
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    27. Can I buy Ni-Mh cells from your company?
       Sorry, we do not sell Ni-Mh or Ni-Cd cells to customers from this site.
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    28. How can I get a refund?
       We do offer a 30 day money back guarantee on all orders.
    If your refilled battery doesn't work, please send us an RMA request (under the Support tab), we will then send you another pre-paid postage label through your email. Print and use that to send your battery back to us. Once we receive it we will remove our cells, re-insert your old battery cells, and send your battery back to you.
    Note: We will have to remove our new inserted cells to fully process any refunds.

    If you want a refund on a purchased battery then please email us your refund request at support@batteryrefill.com and the reason for the return. Please then send us your battery. We will then respond back to you and refund your full money back once the battery is received.

    We give a 12 month warranty for all refilled batteries. If the battery capacity drops suddenly during the warranty period, we will then provide warranty refill service without any extra charges. If one of the cells is dead, sudden capacity lost will occur but will never be completely dead. We can fix it if this were to occur. However, if the battery is completely dead during the warranty period, it is likely the electronics in the battery went bad and it is not covered by the warranty. The warranty is for the refilled cells not the electronics in the battery pack. We can not fix the electronics in the battery pack, so buying a new battery will be the only option if this happens.
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    29. What is the exchange program?
       If you have an old laptop battery, we can exchange it for another one instead of refilling the old one. Exchanging your battery instead of refilling it costs the same but exchanging your battery is faster and guaranteed to work. Instead of refilling your battery, we will send you a battery that is already refilled and we keep the old one that you mail to us. However, this service is limited to certain battery brands. The exchange program can be compared to a Propane tank exchange - use the one you initially bought and return it for a refilled tank/battery at a fraction of the cost to buy a new one! Our current list of batteries that be exchanged include the IBM Thinkpad 365, 560, 600, 755, 760, 765, 790 models, the IBM T20, the IBM Workpad 240, C50, and Z50 models. Also included are the Dell recall batteries listed as well as the Panasonic CF-17, CF-27, CF-28, CF-48, CF-50 model batteries.
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