We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Rectangular black laptop battery with label showing 42Wh 11.1V 3500mAh

DELL

DELL FW8KR 3-cell Li-ion 42Wh 11.1V 3500mAh laptop battery

SKU CH-Q3GZ-R3G6V

A 3-cell lithium-ion replacement battery rated at 42 Wh, 11.1 V and 3500 mAh for compatible Dell Inspiron and Latitude laptops

  • Battery TypeLithium-Ion
  • Replacement battery fits select Inspiron and Latitude models
  • 42 Wh capacity delivers extended runtime between charges
  • 1 V output matches original Dell specifications
  • 3500 mAh rating supports reliable daily use

Replacement battery for Inspiron and Latitude

The Dell FW8KR is a new 3-cell lithium-ion battery rated at 42Wh, 11.1V and 3500mAh. It replaces part number 0FW8KR and is built for select Inspiron and Latitude laptops. The pack restores original run time for compatible systems.

Upgrade from a worn or failed original pack

Swap this in when the factory battery no longer holds a useful charge or shows swelling. The jump is worth it if the laptop otherwise meets your needs and the original part is unavailable. It does not add capacity beyond the stock 42Wh design.

Highlights

  • Replacement battery fits select Inspiron and Latitude models
  • 42 Wh capacity delivers extended runtime between charges
  • 1 V output matches original Dell specifications
  • 3500 mAh rating supports reliable daily use

Specifications

Battery TypeLithium-Ion

Questions about this item

Will the FW8KR battery fit my Inspiron or Latitude model?

The FW8KR is a direct replacement for Dell part number 0FW8KR and fits select Inspiron and Latitude laptops that originally used this 3-cell 42 Wh pack.

What is the correct way to install the FW8KR battery?

Power off the laptop, disconnect the AC adapter, remove the old pack, align the FW8KR connector with the motherboard header, press firmly until it clicks, then charge fully before first use.

More in Laptop Batteries / AC Adapters

Similar items

Same shelf, same checkout — eight coins and a 30-minute rate lock.