Discover the power of extended mobility with the BTI notebook battery, a reliable power source for your device. Engineered to meet the specifications of Dell 451-BDDY, this battery integrates seamlessly with your notebook, ensuring it operates efficiently. With a robust 4680 mAh capacity and 35.6 Wh of energy, it's designed to keep you productive and entertained for longer periods without the constant need for recharging. The advanced lithium-ion technology not only provides a stable and efficient power supply but also enhances the battery's lifespan, making it a valuable addition to your notebook. Whether you're working on important projects or enjoying your favorite multimedia, this battery ensures your notebook stays powered through it all.