Uniwill u40-3s4400-b1n1 Laptop Battery

Uniwill u40-3s4400-b1n1 Battery

  • Battery Technology: li-ion
  • Battery Property: Battery
  • Capacity: 4400 mAh
  • Volt: 11.10V
  • Dimension: 4.71" x 3.72" x 0.84"
  • Color: Black
  • Net Weight: 346.08g

1 year warranty, 30 days Refund.

Uniwill u40-3s4400-b1n1 Battery Photo

Uniwill u40-3s4400-b1n1 Battery

uniwill u40-3s4400-b1n1 battery certificate

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Discount Laptop Battery Saving 35%

Fits Models:

uniwill u40-3s4400-b1n1

Note : Not list all ! If you could not find your laptop model from the list, you may search it or find it here.


Uniwill u40-3s4400-b1n1 battery are designed replacement for uniwill q525s, uniwill q500, uniwill q220, uniwill q213s, uniwill q213, uniwill kc550, uniwill k1301, uniwill f545r, uniwill f525s, uniwill f4300, uniwill f223s, uniwill f1500, uniwill advent, uniwill 9415, uniwill 9115 uniwill 5712 laptop computer. uniwill u40-3s4400-b1n1 laptop batteries are compatible with 63gu40026-1a, u40-3s3000-b1y1, u40-3s3700-b1y1, u40-3s4000-g1b1, u40-3s4000-g1l3 u40-3s4000-m1h1 parts number. uniwill u40-3s4400-b1n1 laptop battery are made with Japan/Korea grade A battery cells, guaranteed to meet or exceed the original equipment manufacturers specifications and 100% compatible with original equipment chargers.  

12 months warranty.
30 days money back offer. 
Strict Li-ion battery circuit management.
300-500 full charge/discharge times.
100% OEM compatible and stable performance.  
Built-in rechargeable laptop battery protection circuit.  
No memory effect and environment friendly with lithium Ion rechargeable laptop battery.  
Certification: ROHS, CE ,ISO9001/ISO9002, UL, CUL, TÜV .
For return of non-defective product within the first 10 days from date of purchase, full refund.
Unartificial defective laptop batteries returns are accepted for replacement, and we will afford all shipping fee within the whole laptop battery warranty days


  • Do not modify the battery and don not disassemble the battery.
  • Do not incinerate or expose uniwill u40-3s4400-b1n1 battery to excessive heat, which may result in an exposure.
  • Do not pierce, hit, step on, crush or abuse the battery.
  • Do not place uniwill u40-3s4400-b1n1 battery in laptop for a long period of time if laptop is not being used.
  • Do not set laptop battery in the high temperature, high humidity, strong vibrative and dusty place.
  • Do not forget to take away your battery from the laptop if you will not use it for a long time.
  • Do not short circuit of the terminals by keeping your uniwill u40-3s4400-b1n1 laptop battery pack away from metal objects such as necklaces or hairpins.

65W Uniwill u40-3s4400-b1n1 Laptop Battery Charger


Input Voltage:
AC 100V-240V
Output Voltages:

90W Uniwill u40-3s4400-b1n1 Laptop Battery Charger

90W Uniwill u40-3s4400-b1n1 Adapter

Input Voltage:
AC 100V-240V
Output Voltages:
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