1x Battery for MSI Modern 15 A5M, Modern 15 B11M, Stealth 15M A11SDK, MSI BTY-M491 11.4V 4500mAh from CELLONIC

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1x Battery for MSI Modern 15 A5M, Modern 15 B11M, Stealth 15M A11SDK, MSI BTY-M491 11.4V 4500mAh from CELLONIC 1x Battery for MSI Modern 15 A5M, Modern 15 B11M, Stealth 15M A11SDK, MSI BTY-M491 11.4V 4500mAh from CELLONIC 1x Battery for MSI Modern 15 A5M, Modern 15 B11M, Stealth 15M A11SDK, MSI BTY-M491 11.4V 4500mAh from CELLONIC 1x Battery for MSI Modern 15 A5M, Modern 15 B11M, Stealth 15M A11SDK, MSI BTY-M491 11.4V 4500mAh from CELLONIC 1x Battery for MSI Modern 15 A5M, Modern 15 B11M, Stealth 15M A11SDK, MSI BTY-M491 11.4V 4500mAh from CELLONIC 1x Battery for MSI Modern 15 A5M, Modern 15 B11M, Stealth 15M A11SDK, MSI BTY-M491 11.4V 4500mAh from CELLONIC 1x Battery for MSI Modern 15 A5M, Modern 15 B11M, Stealth 15M A11SDK, MSI BTY-M491 11.4V 4500mAh from CELLONIC
£ 74,95
incl. VAT
Not available
Not available

- 5%  Pre-orderAvailable on: 17.07.2026

Article Number:
942048
Manufacturer:
CELLONIC
Weight:
215g
Colour:
Black

Compatibility list

100% compatible replacement with MSI batteries

Specifically designed to fit your laptop. See the full compatibilities list.

Guaranteed 4500mAh capacity

Unlike many competitors, our battery capacities are true, real and guaranteed. This Lithium-Polymer battery is 4500mAh and offers long runtimes with fewer charging breaks - exactly as advertised.

High-performance 11.4V BTY-M491 battery

Our long-life replacement laptop batteries deliver consistently high performance that matches or exceeds that of your computer’s original battery - all for a high number of charging cycles.

Superior quality and safety standards

Battery specialists since 2004, all our replacement batteries undergo strict, rigorous testing to fully comply with the highest EU standards and beyond - that’s why they come with a 3-year guarantee.

The sustainable choice

Replace the battery, not your device. It’s the smarter, cheaper, eco-friendlier choice, saving you money while cutting your environmental footprint through recycling.


Choose CELLONIC and never compromise on quality. Order now!

Replaces the following products

MSI BTY-M491
MSI BTY-M491 Type B

Fits the following devices

MSI Modern 15 A10RD
MSI Modern 15 A5M
MSI Modern 15 B11M
MSI Stealth 15M A11SDK
MSI Summit B15 A11MTU

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