Connect this 3840Wh LiFePO4 extra expansion battery to your power station to greatly boost capacity and extend runtime, delivering long-lasting and stable power for home backup, outdoor activities, and high-power devices. The LCD display clearly shows battery percentage, remaining usage/charging time, input power, and output power, giving you real-time operating status for safer and easier use. Includes a 23.6" parallel charging cable for easy and secure connection. Smooth-rolling wheels and a convenient handle make it easy to move wherever you need power.