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Crafted specifically for professional and high-displacement vehicles, the TOPDON 12V jump starter V4500 Plus packs a serious punch. Boasting a peak current of up to 4500A, it swiftly revives a diverse range of vehicles – from semi-trucks and trailers to off-road vehicles and boats – in mere seconds. Plus, with the capacity for up to 45 jump-starts on a single charge, you'll always be prepared to hit the road with confidence.