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Uniwill 4400 mAh n258sau Laptop Battery High Quality Laptop Battery Certificates

This uniwill n258sau laptop batteries was designed to meet or exceed OEM specifications.

Replacement For uniwill n258sau Laptop Battery [li-ion 14.8 V 4400 mAh]

Chemistry: li-ion : No memory effect.
Color: Black
Volts: 14.8 V
Capacity: 4400 mAh
Property: Replacement
Weight: 460.18g
Dimension: 159.0 x 79.70 x 21.3mm
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. Rechargeable, brand new, no refurbished, 100% compatible.
  7. Lithium ion technology have a long life and light weight.
  8. We have great after sales service department for uniwill n258sau batteries,fast respond to your request!
  9. Fast delivery to any country through USPS,Canada Post. Process orders within 24 hours including weekends and holidays.

Compatible Code

Uniwill Code:
258-4s4400-s2m1, sa2004801, 258-4s4400-s2m1, 258-3s4400-s2m1,

Fits Laptop Models


Fujitsu Siemens Notebook Models:

U-258, amilo d1845, amilo d1840, amilo d-1845, amilo d-1840, amilo a1630 widescreen, amilo a1630, amilo a-1630 widescreen, amilo a-1630,
Uniwill Notebook Models:

n258sax, n258sau, n258sao, n258sa0, n258sa, n258kao, n258ka0, n258ka, n258ax, n258as, n258, 258sa0, 258kkao,

Battery Knowladge

  1. Charge your battery uniwill n258sau properly, fully charging and fully discharging it at least once every month.
  2. With lithium-ion batteries, full charges and discharges are best on a regular basis.uniwill n258sau Li-ion batteries do not suffer from the memory effect.
  3. Charge Uniwill n258sau Replacement Battery before storing. The recommended charging time should not exceed 1 hour.
  4. Don't pierce, hit, step on, crush or abuse the battery.Don't left the battery unused for a long time.
  5. Do not drop, hit or otherwise abuse the battery as this may result in the exposure of the cell contents, which are corrosive.
  6. Uniwill n258sau laptop battery gets a little hot when it works, keep your laptop in a well ventilated place and keep it cool.
  7. If you do not use your laptop for a long time, remove the uniwill n258sau battery pack from the laptop.
  8. Short battery life is mainly cause by heat rather than charge and discharge patterns.
  9. To get maximum performance from the battery, fully optimize the notebooks power management features prior to use.
  10. Do not expose the battery pack to direct sunlight. Never store or use the battery pack in an unventilated vehicle where excessive internal temperatures may be encountered.
  11. It's a good idea to clean dirty uniwill n258sau battery contacts with a cotton swab and alcohol. This helps maintain a good connection between the battery and your portable device.

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