BTI BTY-M6L-BTI 15.2V 80.25Whr Li-IOn Battery — Replacement for MSI Stealth (MS-16Q21)

BTI replacement battery for BTY-M6L-BTI (reference MS-16Q21), made for select MSI Stealth laptops. This Li-IOn pack provides 15.2V and 80.25Whr capacity to restore original runtime and portability. Use it as a direct swap for devices that list BTY-M6L or MS-16Q21 compatibility—verify your laptop’s part number before ordering.