The Lenovo (5B10W13882) Internal Battery is designed to enhance your device's performance with its high-capacity 4-cell configuration. Offering a power capacity of 45 Wh, this rechargeable battery ensures your laptop or compatible device runs efficiently without frequent interruptions. Crafted by Lenovo, a leader in technology solutions, this battery is perfect for users looking for reliable and durable power sources for their devices. Its design integrates seamlessly within Lenovo laptops, delivering both longevity and performance. Whether you're working, gaming, or streaming, this battery provides the energy needed to keep you connected and productive throughout your day. The thoughtful engineering behind this product also emphasizes safety, with built-in mechanisms to protect against overcharging and overheating, ensuring that your device remains in optimal condition.