The Lenovo battery backup unit with model number 41Y0679 is a reliable power protection solution that safeguards electronic devices against power interruptions and fluctuations. This backup unit provides uninterrupted power supply during outages and protects connected devices from data loss and hardware damage. It features automatic voltage regulation to stabilize unstable power inputs and ensure consistent performance for sensitive electronics. The unit includes multiple outlets for simultaneous connection of various devices, with built-in surge protection against voltage spikes. Made from durable materials, this backup unit offers reliable operation in home office, small business, and workplace environments. Its compact design measures approximately 28 cm in width, 15 cm in depth, and 8 cm in height, allowing for placement under desks or in tight spaces. Weighing around 2.8 kg, it remains stable during operation while retaining portability for necessary relocations. The unit operates within a temperature range of 0 °C to 40 °C, ensuring consistent performance in typical indoor settings. LED indicators provide clear status information regarding power conditions and battery status, allowing users to monitor the system's condition at a glance. The battery backup function activates automatically during a power outage, providing sufficient runtime to save work and properly shut down connected devices. This model is designed for compatibility with various Lenovo systems and other standard electronic devices, offering security for critical computer applications where continuous operation is essential.