Wha-Power X7 is a powerful car emergency jump starter suitable for all 24V vehicles. It utilizes state-of-the-art technology to ensure reliable starting performance. Whether you're driving a large truck or a heavy-duty vehicle, Wha-Power X7 delivers quick and secure jump-starts, eliminating worries about battery issues. Additionally, it features a built-in USB charging port for convenient device charging. With Wha-Power X7, you're equipped for any roadside emergency.