MSI CR42 Battery Replacement Guide: BTY-S14/S15 Specs & Suppliers

The MSI CR42 battery (primarily part numbers BTY-S14 and BTY-S15) remains a staple in the aftermarket laptop battery industry as of 2026. While the laptop model itself is legacy, its standardized 6-cell 4400mAh modular design ensures continued relevance for repair and replacement markets. Subtel Msi

Product Insights

Core Specifications: 11.1V, 4400mAh Li-ion 6-cell battery. It features MSI's Turbo Battery+ technology for power management. Msi Subtel
Broad Compatibility: Beyond the CR42, this battery is compatible with MSI CR41, CR61, GE60, GE70, and several Medion Akoya models, consolidating its demand profile. Subtel Msi
Sourcing Dynamics: Wholesale prices currently range from $8.85 to $12.70 per unit for bulk orders (MOQ 1-5 pieces), while retail aftermarket prices are approximately £29.95 (~$38). Subtel

Market Trends (2026)

Market Growth: The global laptop battery market is valued at $10.01 billion in 2026, with aftermarket replacements capturing a significant 29% share. Businessresearchinsights
Technology Shift: Although lithium-ion remains the industry standard (89% market share), the industry is seeing tighter performance expectations and a focus on reliability for legacy "semi-modular" packs like the BTY-S14. Businessresearchinsights Ess-News
Economic Outlook: 2026 is considered a "make-or-break" year for the battery sector, driven by rising demand in secondary electronics and a quadrupling of rechargeable battery demand projected through 2030. Ess-News Csis Linkedin