The BTI notebook battery by Battery Technology is a high-quality replacement for your original notebook power source. Designed specifically to match the performance and fit of the Dell 451-BCPW, this 4-cell lithium-ion battery offers a substantial 6840 mAh capacity and 52 Wh of energy, ensuring that your notebook remains powered for longer periods. With 7.6 V of power, it seamlessly integrates with your notebook's power requirements, providing reliable performance and extending your work or play sessions. Whether you're a professional relying on your notebook for critical tasks or a student needing dependable power throughout the day, this battery is engineered to meet your needs without the constant search for a power outlet.