Replacement 4400mAh, Dell PRECISION M40 battery

replacement Dell PRECISION M40 battery

Dell PRECISION M40 Battery fit OEM Part/Number: dell 1691P, 310-0113, 312-0009, 312-3280, 3H625, 3K120, 53977, 66912, 75UYF, 8208U, replacement for Dell INSPIRON 3700 SERIES, INSPIRON 3800 SERIES, INSPIRON 8200 SERIES, LATITUDE C540, LATITUDE C640, LATITUDE CPI A366XT, Latitude CPi D300 XT, Latitude CPIA Series, LATITUDE CPIA300ST, PRECISION M40 laptop...

Tips to maximise Dell PRECISION M40 Battery performance:

All of us want to prolong our laptop battery's life. What should we do to prolong the notebook battery life? here is some brief guide to extend your PRECISION M40 battery life...

Charge new batteries: New PRECISION M40 battery in a discharged condition must be fully charged before use. It is recommended that you fully charge and discharge your battery two to four times to enable it to reach its maximum rated capacity.

Preventing the memory effect: Keep your PRECISION M40 laptop battery in health care and then comply fully at least once every two to three weeks. Exceptions to the rule are Li-Ion batteries which do not suffer from memory effect.

Keep your battery clean: It's a good idea to clean dirty Dell PRECISION M40 battery with a cotton swab and alcohol. This HEPS maintain a good connection between the battery and the laptop.

Exercise your PRECISION M40 battery: Do not let your battery dormant for long periods of time. I 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 the proceedings described above.

Battery storage: If you do not use Dell PRECISION M40 battery for a month or more, I recommend storing it in a clean, dry and cool away from heat and metal objects.

The life of a rechargeable PRECISION M40 battery operating under normal conditions is generally between 500 to 800 charge-discharge cycles. This translates into one and half to three years of battery life for the average user.

PRECISION M40 battery normal temperature: -20 degrees to 65 degrees.So, do not expose the Dell battery to high heat or freezing temperatures. Do not leave the battery in your car in the summer. Hot batteries discharge very quickly, and cold ones can't create as much power.

See more battery tips at Battery Tips and Battery FAQs.