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Black rectangular laptop battery with white 8-pin connector

GreenTechLLC

GreenTechLLC BTY-M491 laptop battery for MSI Prestige 14 A11SB 52.4WHR 8PIN white connector

SKU CH-5QR8-BEGPP

Replacement 11.4 V, 4600 mAh lithium-ion battery with 8-pin white connector for MSI Prestige 14 A11SB

  • Battery type3 Cell Lithium-Ion
  • Battery voltage rating11.4 V
  • Battery capacity4600MAH
  • Product colorBlack
  • Product typeBattery
  • Compatible withMSI PRESTIGE 14 A11SB
  • Replaces OEM BTY-M491 with 8-pin white connector
  • Fits MSI Prestige 14 A11SB for direct compatibility
  • Delivers 52.4 Whr capacity from 4600 mAh cells
  • Built with 3-cell lithium-ion at 11.4 V
  • Tested for voltage, circuit protection and CE/FCC/RoHS safety

Exact replacement for MSI Prestige 14 A11SB

The GreenTech BTY-M491 is a new 3-cell lithium-ion battery built to replace the original pack in the MSI Prestige 14 A11SB. It delivers 11.4V and 4600mAh for a total of 52.4Wh, matching the OEM specification. The 8-pin white connector ensures a direct fit without adapters.

Drops into the existing battery bay

Installation uses the laptop’s native bay and the original 8-pin white connector, so no extra cables or mounting hardware are required. The pack frees the user from a worn-out cell that no longer holds charge, restoring mobile operation immediately. CE, FCC and RoHS certifications confirm electrical safety compliance.

52.4Wh capacity for typical office workloads

The 52.4Wh rating supports everyday productivity such as document editing, web browsing and video playback on the Prestige 14 A11SB. Runtime will vary with screen brightness, background tasks and power-profile settings. Heavy workloads like sustained rendering or gaming will exhaust the pack more quickly.

How it compares

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

Price $61.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameGreenTech
Model nameBTY-M491
Part numberBTY-M491
Product colorBlack
Product typeBattery
Power
Battery type3 Cell Lithium-Ion
Battery voltage rating11.4 V
Battery capacity4600MAH
Compatibility
Compatible withMSI PRESTIGE 14 A11SB

Questions about this item

How long does the 52.4WHR capacity last before the battery needs recharging?

The 52.4WHR rating delivers typical runtime for the MSI Prestige 14 A11SB; actual hours depend on screen brightness, workload and power settings.

Does the 11.4V lithium-ion pack run hot or loud during all-day use?

The battery itself is passive and silent; warmth comes from the laptop chassis under load, not from the 3-cell pack.

Which laptop models accept the BTY-M491 with its 8-pin white connector?

It fits the MSI Prestige 14 A11SB and replaces the original BTY-M491 module.

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