Replacement For Dell W4FYY Laptop Battery

Replacement for Dell W4FYY Laptop Batteries

49Wh, 11.1V, Li-ion Dell W4FYY battery

High quality and low price replacement Dell W4FYY battery that are manufactured to meet or exceed the specifications of the original brand manufacturer. All laptop batteries are brand new in box, never used, highest quality premium Japanese Li-ion cells are used in the W4FYY battery. 100% original manufacturer compatible and run longer time!

  • Chemistry:
  • Li-ion
  • Voltage:
  • 11.1V
  • Capacity:
  • 4400mAh / 6-Cell
  • Dimension:
  • 208.5*62.53*21.1mm
  • Net Weight:
  • 325g
  • Color:
  • Black
  • List Price: US $58.92
  • Your Price: US $32.69
  • Please enter the recipient's phone number:
  • Brand New Laptop Battery With One Year Warranty

Buy 4400MAH Dell W4FYY battery and 90W/ AC100-240V/ DC 19.5V 4.62A/ 7.4mm*5.0mm Dell W4FYY AC adapter together (save more US$ 2.00!)

  • Dell W4FYY Battery
  • +
  • Dell W4FYY AC Adapter
  • =
  • US $46.37

Product Description

This is a brand new Dell W4FYY battery to replace your current aging battery. Get your full battery back up time back. We offer replacement batteries for you W4FYY laptop at a bargain price. This will fit your laptop perfectly.There is no battery "memory effect" with this rechargeable battery. The W4FYY battery is rigorously tested for capacity, voltage, compatibility and safety to exceed original equipment manufacturer specifications. All of our laptop batteries have passed stringent quality assurance procedures to achieve international standards such as ROHS, CE, UL, ISO9001, ISO9002 certification.

Further Details

  • Top quality at affordable price, Long warranty of one-year, fast delivery!
  • 100% brand new and never be used, 100% function check before shipping!
  • Guaranteed to meet or exceed OEM specifications and performance.
  • High capacity W4FYY battery li-ion cells made in Japan.
  • Full One Year Manufacturer Warranty & 30 Days Money Back Guarantee!
  • 100% compatible with your laptop's original battery and provide extended runtime with no 'memory effect'.
  • Order your Dell W4FYY laptop battery before 2:30PM we will usually ship the same day.

How to use Dell W4FYY notebook battery to keep long life:

  1. Full Charge New Lithium-Ion laptop battery at every time.
  2. Make sure to fully discharge, then charge you laptop battery at least once every two weeks for maximum performance and long life.
  3. Prevent the battery Memory Effect - Keep the laptop battery healthy by fully charging and then fully discharging it at least once every two to three weeks. Exceptions to the rule are Li-Ion batteries which do not suffer from the memory effect.
  4. Please take out the battery for Dell W4FYY from your machine when it is not being used and clean it with soft and dry cloth.
  5. Do't use higher than its threshold voltage to charge, otherwise your notebook battery will not charging, it's unsafe and easily damage you laptop batteries.
  6. Battery Storage - If you don't plan on using the Dell W4FYY laptop battery for a month or more, store it in a clean, dry, cool place away from heat and metal objects. Ni-Cd, Ni-MH and Li-ion batteries will self-discharge during storage; remember to recharge the batteries before use.