Replacement Battery Part No.:

• 312-0748
• 312-0749
• 312-0753
• 312-0754
• 312-0917
• 451-10583
• 451-10584
• C719R
• FU571
• KY265
• KY477
• PT434
• R822G
• U844G

Replacement Laptop Machine Part No.:

• Latitude E6400
• Latitude E6400 ATG
• Latitude E6400 XFR
• Latitude E6500
• Precision M2400
• Precision M4400
• Precision M6400

Disclaimer:
The batteries supplied by our Company are [replacement for] sold for use with certain products of computer manufacturers, and any reference to products or trademarks of such companies is purely for the purpose of identifying the computer manufacturers with which our products [are replacement for] may be used. Our Company and this Website are neither affiliated with, authorized by, licensed by, distributors for, nor related in any way to these computer manufacturers, nor are the products offered for sale through our Website manufactured by or sold with the authorization of the manufacturers of the computers with which our products [are replacement for] may be used.

To prolong Dell Precision M6400 Battery's life, please keep the following tips when using Dell Precision M6400 Battery pack.

1. Read the manufacturer's manual about Dell Precision M6400 battery carefully, and follow the instruction to this Dell Precision M6400 battery usestrictly.
2. New Dell Precision M6400 battery comes in a discharged condition must be fully charged before use it. It is recommended to fully charge and discharge your new Dell Precision M6400 battery about 3 times to make reaching its maximum rated capacity.
3. If your Dell Precision M6400 battery hasn't been used for a long time, it should be fully discharged and charged before using it, because partical charging after partical discharging will shorten the Dell Precision M6400 battery life, preformance and capacity(this does not apply to Li-ion batteries, which do not require conditioning).
4. Don't incinerate or expose battery to excessive heat.
5. Don't short circuit terminal or store your laptop battery pack with metal parts.
6. It's normal for all batteries losing some capacity over time. A tiny amount of capacity is lost every time when your Dell Precision M6400 battery being discharged and recharged. Using an aggressive power scheme may allow you to recover some of the battery's capacity. Keep your BIOS up to date, some updates include enhancements for power management. Some laptop systems also have specific tools to manage battery life.

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