RELIABLE POWER - Ensures continuous operation of your iOptron telescope with a stable 12V power supply, eliminating battery concerns during long observing sessions. CONVENIENT CHARGING - Features a cigarette-type power lead, allowing easy connection to car power outlets for charging or operating your telescope on the go. VERSATILE USE - Ideal for both charging your telescope's battery and directly powering the device, providing flexibility for various observing environments. PORTABLE DESIGN - Compact and lightweight, making it easy to carry and store, perfect for astronomers who travel to different observing locations.