Upgrade your notebook's performance with the BTI 01AV494 rechargeable lithium-ion battery. With a capacity of 11.52V and 57WHR, this powerful battery ensures your device runs smoothly for longer periods. Designed specifically for compatibility with various notebook models, it features a proprietary size and a robust 4950 mAh capacity. Say goodbye to unexpected shutdowns and hello to uninterrupted productivity. Whether you're working, gaming, or streaming, this battery delivers reliable power when you need it most. Trust Battery Tech for quality and performance that keeps you connected!