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Black rectangular laptop battery with connector pins on one end

NShi

NShi PA5157U-1BRS laptop battery 11.4V 4386mAh 3-cell black

SKU CH-485H-ZY76T

Replacement 11.4 V, 4386 mAh lithium-ion battery for Toshiba Satellite E45T, E55T, U40T-A, U940 and M-series models

  • ColorBlack
  • TypeBattery
  • CompatibilityToshiba SATELLITE E45T SERIES, SATELLITE E45T-A4100, SATELLI
  • Battery Type3 Cell Lithium-Ion
  • Battery Voltage11.4V
  • Battery Capacity4386mah
  • Direct replacement for OEM PA5157U-1BRS and P000577250
  • Fits Toshiba Satellite E45T, E55T, U40T-A and U940 series
  • 4V 4386mAh 3-cell lithium-ion delivers 50Wh capacity
  • Tested for correct voltage, circuit protection and stable current
  • CE, FCC and RoHS certified for safety

Direct replacement battery

This NShi PA5157U-1BRS is a new 3-cell lithium-ion battery rated at 11.4V and 4386mAh. It replaces OEM part numbers PA5157U-1BRS and P000577250 for compatible Toshiba Satellite models.

Ready-to-install unit

The battery arrives as a single black pack with integrated circuit protection and low self-discharge characteristics. No separate cables, drivers or calibration software are included in the package.

Verify your laptop model

Confirm the exact model name on the base label matches one of the listed Satellite E45T, E55, E55T, U40T-A, M40-A, M50-A, M50D-A, M50T, U50T, U50T-A or U940 series. Buyers whose laptop uses a different voltage or cell count cannot use this pack.

Highlights

  • Direct replacement for OEM PA5157U-1BRS and P000577250
  • Fits Toshiba Satellite E45T, E55T, U40T-A and U940 series
  • 4V 4386mAh 3-cell lithium-ion delivers 50Wh capacity
  • Tested for correct voltage, circuit protection and stable current
  • CE, FCC and RoHS certified for safety

Specifications

BrandGreenTech
ModelPA5157U-1BRS, P000577250
ColorBlack
TypeBattery
CompatibilityToshiba SATELLITE E45T SERIES, SATELLITE E45T-A4100, SATELLITE E45T-A4200, SATELLITE E45T-A4300, SATELLITE E45T-AST2N01, SATELLITE E45T-AST2N02, SATELLITE E55 SERIES, SATELLITE E55-A5114, SATELLITE E55T SERIES, SATELLITE E55T-A5320, SATELLITE E55T-AST2N01, SATELLITE U40T-A, SATELLITE M40-A, SATELLITE M50-A, SATELLITE M50D-A, SATELLITE M50T, SATELLITE U50T, SATELLITE U50T-A, SATELLITE U50T-A-100, SATELLITE U940 SERIES
Battery Type3 Cell Lithium-Ion
Battery Voltage11.4V
Battery Capacity4386mah

Questions about this item

How often will the 3-cell lithium-ion 4386 mAh battery need replacement?

The 3-cell lithium-ion pack rated at 11.4 V and 4386 mAh is designed to match the original PA5157U-1BRS specifications and includes circuit protection with CE, FCC and RoHS certification for stable long-term operation.

What is the first limit reached during continuous use of the 50 Whr battery?

The 50 Whr capacity defines the runtime ceiling; sustained loads will exhaust the 4386 mAh charge before any thermal or voltage limit is encountered.

Does the replacement battery run hot or noisy during all-day operation?

The battery has no moving parts and produces no noise; normal warmth occurs during charging or heavy discharge but the built-in protection circuits keep voltage and current within safe limits.

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