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Dell 7800 mAh wn979 Laptop Battery High Quality Laptop Battery Certificates

This dell wn979 laptop batteries was designed to meet or exceed OEM specifications.

dell wn979 Laptop Battery [Li-ion 11.1V 7800 mAh]

Chemistry: Li-ion : No memory effect.
Property: replacement
Volts: 11.1V
Capacity: 7800 mAh
Cell 9 Cell
Color: Metallic Grey
Dimension: ***
Compatibility: 100% OEM compatible
Warranty 1 year warranty! 30 Day Refund!
Condition: Brand-New, Japan or Korea made grade A cells.

Battery Features

  1. Condition - Brand New, Never Used!
  2. Built-in Over-discharge short circuit protection.
  3. No memory effect and harmless stuff.
  4. 100% OEM compatible and stable performance.
  5. Warranty One year quality assurance, 30 days money back gurantee
  6. Manufactured by high-capacity power products and built-in dell wn979 rechargeable battery protection circuit.
  7. Lithium ion technology have a long life and light weight.
  8. Fast delivery to any country through USPS,Canada Post. Process orders within 24 hours including weekends and holidays.

Compatible Code

Dell Code:
df249, gr932, r160, xd739, yd626,

Fits Laptop Models


Dell Notebook Models:

Latitude d531, latitude d531n, latitude d820, latitude d830, precision m4300, precision m4300 mobile workstation, precision m65,

Battery Knowladge

  1. With lithium-ion batteries, full charges and discharges are best on a regular basis.dell wn979 Li-ion batteries do not suffer from the memory effect.
  2. Do not expose dell wn979 laptop battery to water or other moist/wet substances.
  3. Do not drop, hit or otherwise abuse the battery as this may result in the exposure of the cell contents, which are corrosive.
  4. Don't setting your dell wn979 battery in the high humidity, high temperature, strong vibrative and dusty place.
  5. Don't leave your dell wn979 battery inactive for extended periods of time. Even if you use AC power most of time, use the battery periodically to keep it in good condition. Unplug your AC adapter when the computer is not in use to prevent overcharging.
  6. New dell wn979 battery comes in a unused condition, you should first fully discharge the capacity of the battery(let the laptop turn off auto). And then for 2~3 charge(suggest overnight) and discharge cycles before achieving maximum capacity.
  7. Short battery life is mainly cause by heat rather than charge and discharge patterns.
  8. To get maximum performance from the battery, fully optimize the notebooks power management features prior to use.
  9. If you have 2 or more pack of battery, it's wise to discharge and then fully charge it on battery power once a week or so, just to keep the battery fresh conditions.
  10. If the liquid contained within the dell wn979 battery pack leaks, use large amounts of water an immediately wash off any liquid which may accidentally contact any part of the body. Remove any liquid that has contacted your clothes by washing them immediately with a synthetic detergent.
  11. As the rechargeable dell wn979 battery begins to die, the user will notice a decline in the running time of the battery. When a dell wn979 laptop battery that originally operated the notebook for two hours is only supplying the user with an hour's worth of use, it's time for a new one.

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