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Battery FAQ carries a broad range of rechargeable Li-ion Laptop Batteries, Digital Camera Batteries, Camcorder Batteries and Battery Chargers. As your best sourcing of Laptop Batteries, Digital Camera Batteries and Camcorder Batteries for many years, we provide our customers high quality products at wholesale prices. All batteries are Brand New, Guaranteed to Meet or Exceed OEM Specifications and Full 1 Year Warranty.
A new Li-ion battery usually comes in a discharged condition (20% to 75%) and must be fully cycled before use. Lithium ion chemistry prefers partial discharge to deep discharge, so it’s best to avoid taking the battery all the way down to zero. Since lithium-ion chemistry does not have a memory, you do not harm the battery pack with a partial discharge. If the voltage of a lithium-ion cell drops below a certain level, it’s ruined. Upon initial use (or after prolonged storage period) the battery may require more than three charge/discharge cycles before achieving maximum capacity. It is normal for a battery to become warm to the touch during charging and discharging.

1. Are your batteries old or refurbished? What is the meaning of "Third Party"?
2. Why are your prices lower than other companies?
3. How to care and use battery?
4. What should I pay attention to?
5. What is "Memory Effect"?
6.  Can I upgrade my current battery to a newer chemistry?
7.  My new battery isn't charging, what's going on?
8.  How Can I maximize battery performance?
9. What are battery ratings?
10.  How long is the battery life?
11.  How long will the new main battery power the laptop?
12.  I have performed all the steps above but the laptop still will not charge the battery. What next?
For Dell Latitude C CP CPI CPX Li-ion Battery (Code: BAPDLCPEA) and Dell Inspiron 2500 3700 3800 4000 8000 Li-ion Battery (Code: BAPDLCPE1), they are produced by using new version firmware, so they probably are not compatible to notebooks with old BIOS. If you find the battery doesn't hold charge at all, please get the latest version BIOS for your notebook model at, update your notebook BIOS, then the battery will work fine on your notebook.
We have carried out the testing on the following models and BIOS version:
1)    Latitude CPi A with BIOS A15 (latest) charges and discharges the battery without problem
2)    Latitude CPx H with BIOS A14 (latest) charges and discharges the battery without problem
3)    Latitude C600 with BIOS A21 or A23 charges and discharges the battery without problem
Service Tag Latitude CPi A : WHKXK
Service Tag Latitude CPx H : 1LFQ201
Service Tag Latitude C600 : 49SH611
You can obtain BIOS from the following URL:-
* BIOS cannot be updated if the battery is fully drained or not installed

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1. Are your batteries old or refurbished? What is the meaning of "Third Party"?
Most of our batteries are brand new third party products. Brand new means new case and new cells. Third party means they are not original batteries, but we fully guarantee our batteries meet or exceed OEM specifications, since our batteries also use A grade cells and some items have more capacity than original ones.
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2. Why are your prices lower than other companies?
To maintain our good relationship with manufactures, we must keep high sales volume everyday. That's the reason we have the most competitive prices in current battery market.
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3. How to care and use battery?
Your new battery comes in a discharged condition and must be charged before use. Upon initial use (or after prolonged storage period) the battery may require two to three charge/discharge cycles before achieving maximum capacity.

If the battery is not going to be used for more than a month, it is recommended that it be removed from the device and stored in a cool, dry, clean place.

It is normal for a battery to become warm during charging and discharging.

A charged battery will eventually lose its charge if unused. It may therefore be necessary to recharge the battery after a storage period.
4. What should I pay attention to?
Do not short-circuit a battery. A short-circuit may cause damage to the battery.

Do not drop, hit or otherwise abuse the battery as this may result in the exposure of the cell contents, which are corrosive.

Do not expose the battery to moisture or rain.

Keep battery away from fire or other sources of extreme heat. Do not incinerate. Exposure of batteries to extreme heat may result in an explosion.
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5. What is the "Memory Effect"?
Ni-Cad batteries suffer from what's called the "memory effect" This means that if a battery is continually only partially discharged before re-charging, the battery "forgets" that is has the capacity to further discharge all the way down. To illustrate: If you, on a regular basis, fully charge your battery and then use only 50% of its capacity before the next recharge, eventually the battery will become unaware of it's 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 (fully charge and then fully discharge) your battery at least once every month. Batteries can be discharged by unplugging the device's AC adapter and letting the device run on the battery until it ceases to function. This will ensure your battery remains healthy. Ni-Mh and Li-Ion batteries do not suffer the memory effect.
6. Can I upgrade my current battery to a newer Chemistry?
NiCad, Ni-Mh and Li-ion are all fundamentally different from one another and cannot be substituted unless the device has been pre-configured from the factory to accept more than one type of rechargeable battery. The difference between them stems from the fact that each type requires a different charging pattern to be properly recharged. Refer to your owner's manual to find out which rechargeable battery types your particular device supports.
7. My New Battery Isn't Charging, what's going on?

New batteries are shipped in a discharged condition and must be charged before use. We generally recommend an overnight charge (approximately twelve hours). Refer to your user's manual for charging instruction. Rechargeable batteries should be fully charged and then fully discharged 2 to 4 times initially to allow them to reach their full capacity. (Note: It is perfectly normal for a battery to become warm to the touch during charging and discharging).

New batteries are hard for your device to charge because they have never been fully charged and are therefore unformed. Sometimes your device's charger will stop charging a new battery before it is fully charged. If this happens, simply remove the battery from your device and then re-insert it. The charge cycle should start again. This may happen several times during your first battery charge. Don't worry; it's perfectly normal.

*  If your battery still does not work well after you try the above steps, we strongly suggest you update your notebook's BIOS. Our battery is generic, every battery is compatible to lots of notebook models and produced with latest version of firmware, so the battery has no way to work well on notebooks with old version of BIOS. In most cases, updating the notebook's BIOS will solve the problem.
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8. How can I maximize battery performance?

Breaking In New Batteries
New batteries come in a discharged condition and must be fully charged before use. It is recommended that you fully charge and discharge your new battery two to four times to allow it to reach its maximum rated capacity.

Keep Your Batteries Clean
It's a good idea to clean dirty battery contacts with a cotton swab and alcohol. This helps maintain a good connection between the battery and your laptop.

Exercise Your Battery
Do not leave your battery dormant for long periods of time. We recommend using the battery at least once every two to three weeks. If a battery has not been used for a long period of time, perform the new battery break in procedure described above.

Power Management
To get maximum performance from the battery, fully optimize the notebooks power management features prior to use. Power management is a trade off: better power conservation in exchange for lesser computer performance. The power management system conserves battery power by setting the processor to run at a slower speed, dimming the screen, spinning down the hard drive when it’s not used and causing the machine to go into sleep mode when inactive. The notebook user’s guide will provide information relating to specific power management features. It may also be necessary to update the BIOS of the notebook in order to achieve maximum performance especially if the original battery has a lower power capacity (mAH). Please visit the notebook manufacturer’s website for information regarding BIOS updates.

9. What are battery ratings?
There are two ratings on every battery: Volts and Milliamp-hour (mAh). The voltage of the new battery should always match the voltage of your original. Some of our batteries will have higher amp-hour ratings that the original battery found in your device. This is indicative of a longer run-time (high capacity) and will not cause any incompatibilities. Remember: in some cases, the voltage will differ from the original battery. This often happens when both a Li-Ion battery and a Ni-MH battery are available for the laptop.
10. How long is the battery life?
The life of a rechargeable battery operating under normal conditions is generally between 500 to 800 charge-discharge cycles. This translates into one and a half to three years of battery life for the average user. As your rechargeable battery begins to die, you will notice a decline in the run time of the battery. When your two-hour battery is only supplying you with an hour's worth of use, it's time for a new battery.

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11. How long will the new main battery power the laptop?
Battery run-time on a laptop is difficult to determine. Actual battery running time depends upon the power demands made by the equipment. The use of the screen, the hard drive, and other accessories results in an additional drain upon the battery, effectively reducing its running time. The total run-time of the battery is also dependent upon the design of the equipment. Generally, a new Hi-Capacity battery will run 30% to 50% longer than the old battery did when is was new.

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12. I have performed all the steps above but the laptop still will not charge the battery. What next?
There is a possibility that either the notebook or the battery is defective. The best way of determining which one is by comparing either the battery or the notebook to a known good one. For example: If the battery does not charge at all, yet another battery charges and discharges properly in the same notebook, then we can assume that the battery is defective. Or: If the battery works fine on one notebook but not the other, then it is the notebook that is defective and will need servicing.

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The batteries and battery chargers supplied by TitanNotebook are compatible replacements. Any reference to products or trademarks of other companies is purely for the purpose of identifying compatibility. We are neither affiliated with, authorized by, licensed by, distributors for, nor related in any way to the referred manufacturers, nor are the products sold through TitanNotebook manufactured by or sold with the authorization of the referred manufacturers.

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