Discover the reliable solution to your power needs with the BTI notebook battery, specifically designed for users who demand performance and longevity. This battery, featuring a robust 7500 mAh capacity and 83.25 Wh, is engineered to keep your notebook operational for longer periods, minimizing downtime and enhancing productivity. With its 9-cell lithium-ion technology, it not only offers a reliable power source but also ensures compatibility with MSI BTY-L77 notebooks, making it a perfect replacement or backup battery. Compliance with UKCA and WEEE standards further assures you of its quality and environmental friendliness. Whether for work or leisure, this battery is an essential accessory for your notebook, providing you with the power you need, whenever and wherever you need it.