Batt msi prestige 14- a11sb bty-m481-wBTI Battery BTI Battery is a highcapacity replacement power source designed for notebooks that demand reliability, longevity, and safety. This rechargeable Li Ion battery features a proprietary size to ensure a precise, snug fit in compatible notebook models, delivering steady power and dependable usability when you need it most. With a capacity of 4600 mAh and an energy rating of 52. 40 Wh at 11. 4 volts, this battery provides extended runtime for