The TOPDON V4500Plus Battery Tester and Jump Starter is engineered for commercial-grade use. It is designed for 12V and large-displacement gasoline and diesel engines. Additionally, the jump starter offers a peak current of up to 4500A and the capacity for up to 45 jump starts on a single charge. The two-in-one starter offers fast charging with a 120Wh capacity that serves as a portable powerhouse. It comes with dual USB QC 3.0 fast charging ports and a 12V DC output that guarantees a reliable power supply for onboard equipment, according to TOPDON. When paired with the mobile app, it becomes a battery tester, allowing users to assess their batteries.