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

KingSener

KingSener EB-BF731ABY laptop battery 1000mAh 3.88V

SKU CH-8Q2R-NY1DN MPN EB-BF731ABY

Replacement lithium-ion battery for Samsung Galaxy Z Flip 5 5G SM-F731B, 1000mAh 3.88V cover-screen cell

  • CompatibilitySamsung Galaxy Z Flip 5 5G SM-F731B
  • Battery Voltage3.88V
  • Battery Capacity1000mAh (Cover Screen Optimized)
  • Designed for Samsung Galaxy Z Flip 5 5G SM-F731B
  • 1000 mAh capacity optimised for the cover screen
  • Lithium-ion chemistry delivers stable power output
  • 88 V nominal voltage matches original specification
  • Brand-new replacement battery weighs 200 g

Replacement Battery for Galaxy Z Flip 5

The KingSener EB-BF731ABY is a new lithium-ion replacement battery built for the Samsung Galaxy Z Flip 5 5G model SM-F731B. It serves as the secondary cell that powers the cover screen. The pack uses a black housing and weighs 200g.

1000mAh Cover Screen Capacity

The battery delivers a nominal voltage of 3.88V and a rated capacity of 1000mAh, optimised for the cover screen. Full charge capacity meets or exceeds the design specification. High-quality cells and PCB provide stable output and longer running time.

Suits owners replacing a worn secondary cell

Buyers who need a direct-fit replacement for the original EB-BF731ABY will find identical dimensions and connector placement. Those who require a higher capacity than 1000mAh or a primary main battery for the foldable display should look at a different part.

Highlights

  • Designed for Samsung Galaxy Z Flip 5 5G SM-F731B
  • 1000 mAh capacity optimised for the cover screen
  • Lithium-ion chemistry delivers stable power output
  • 88 V nominal voltage matches original specification
  • Brand-new replacement battery weighs 200 g

Specifications

BrandKingSener
ModelEB-BF731ABY
Part NumberEB-BF731ABY
CompatibilitySamsung Galaxy Z Flip 5 5G SM-F731B
Battery Voltage3.88V
Battery Capacity1000mAh (Cover Screen Optimized)

Questions about this item

How long will the 1000 mAh capacity actually run the cover screen?

The 1000 mAh rating is the design capacity for the cover screen battery; real run time depends on screen brightness, refresh rate and background apps.

Does the 3.88 V voltage match the original Samsung part exactly?

Yes, 3.88 V is the specified voltage for the EB-BF731ABY replacement, matching the factory secondary cell for the Galaxy Z Flip 5 5G SM-F731B.

Will this 200 g cell fit inside the foldable chassis without modification?

The battery is built to the same physical dimensions as the original cover-screen cell, so it seats in the existing compartment with no trimming or adapters.

Also in this aisle

People compared these

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