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KingSener EB-BF731ABY lithium-ion battery, black rectangular pack with connector ribbon

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

  • Battery voltage rating3.88 V
  • Battery capacity1,000 mAh (Cover Screen Optimized)
  • Compatible withSamsung Galaxy Z Flip 5 5G SM-F731B
  • 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.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $19.99
Cheaper than about 72% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameKingSener
Model nameEB-BF731ABY
Part numberEB-BF731ABY
Power
Battery voltage rating3.88 V
Battery capacity1,000 mAh (Cover Screen Optimized)
Compatibility
Compatible withSamsung Galaxy Z Flip 5 5G SM-F731B

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.

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