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Black rectangular laptop battery with label showing 14.4V 50Wh

KingSener

KingSener FPB0353S FPCBP579 14.4V 50Wh laptop battery

SKU CH-NR8F-34DJA MPN FPB0353S

14.4V 50Wh Li-ion replacement battery compatible with Fujitsu CP785912-01 and CP803415-01 models

  • Battery Voltage14.4V
  • Battery Capacity50WH
  • 50 Wh capacity powers longer unplugged sessions
  • 4 V lithium-ion chemistry matches original spec
  • Replaces Fujitsu CP785912-01 and CP803415-01 part numbers
  • Brand-new replacement cell rated at 100 % design capacity
  • No false capacity claim — full charge meets or exceeds rated 50 Wh

Replacement battery for Fujitsu CP785912-01

The KingSener FPB0353S is a new 14.4V lithium-ion replacement battery rated at 50Wh. It is built for owners of compatible Fujitsu laptops who need a direct swap for the original CP785912-01 or CP803415-01 packs. The unit matches the original dimensions so installation requires no modification.

50Wh capacity and daily runtime

A 50Wh pack delivers enough energy for typical office work, web browsing and media playback through a large part of the day. Heavier loads such as sustained video encoding or gaming will drain the charge faster, so users running those workloads should keep the charger nearby for longer sessions.

Upgrade from a worn original pack

This battery replaces an ageing Fujitsu 4INP5/60/80 cell that no longer holds a useful charge. The jump is worth it when the old pack drops below 80% of its design capacity or forces frequent tethering to an outlet. Buyers who need a higher-wattage pack for extended off-grid use should look elsewhere.

Highlights

  • 50 Wh capacity powers longer unplugged sessions
  • 4 V lithium-ion chemistry matches original spec
  • Replaces Fujitsu CP785912-01 and CP803415-01 part numbers
  • Brand-new replacement cell rated at 100 % design capacity
  • No false capacity claim — full charge meets or exceeds rated 50 Wh

Specifications

BrandKingSener
ModelFPB0353S
Part NumberFPB0353S FPCBP579
Battery Voltage14.4V
Battery Capacity50WH

Questions about this item

Will the KingSener FPB0353S fit the same compartment as my original Fujitsu CP785912-01 battery?

Yes, the replacement is built to the same physical size as the original battery so it installs without any adaptation.

How can I confirm the 14.4V 50Wh battery is working correctly after I install it?

Charge it fully, then run the laptop on battery power; the operating system should report a design capacity of 50Wh at 14.4V and deliver normal runtime.

Does the FPB0353S package include a charger or only the battery itself?

The box contains the 100% brand-new Li-ion battery only; an AC adapter must be purchased separately if you need one.

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