The Topdon V4500 Plus is a heavy-duty 4500A jump starter designed for semi-trucks, trailers, and large 12V gasoline or diesel engines up to 16 liters. When paired with the mobile app, it functions as a smart battery tester that evaluates battery health before replacement, helping users avoid unnecessary service costs. The dual-direction PD100W fast charging system recharges the unit in about 90 minutes and can fully charge a phone in 15 minutes. A three-minute Boost mode provides extended power for stubborn batteries, while the 120Wh power bank with dual USB QC3.0 ports and a 12V DC output supports onboard accessories. Built for professional roadside service and fleet operations.
