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Uniwill 4400 mAh n258kao Laptop Battery High Quality Laptop Battery Certificates

This uniwill n258kao laptop batteries was designed to meet or exceed OEM specifications.

Replacement For uniwill n258kao 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. Uniwill n258kao battery is 100% compatible with original equipment manufacturer.
  7. Lithium ion technology have a long life and light weight.
  8. Quality Assurance - ISO9001/ISO9002, CUL, TÜV, ROHS certificatio procedures.
  9. Fast delivery to any country through USPS,Canada Post. Process orders within 24 hours including weekends and holidays.

Compatible Code

Uniwill Code:
un258-4s, f04, 63-ud7024-2a, 63-ud7022-1a, 258-4s4400-s1p1, 23-ud7010-0f,

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. Don't setting your uniwill n258kao battery in the high humidity, high temperature, strong vibrative and dusty place.
  2. Don't short circuit of the terminals by keeping your battery pack away from metal objects such as necklaces or hairpins.
  3. New uniwill n258kao 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.
  4. To get maximum performance from the battery, fully optimize the notebooks power management features prior to use.

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