The JumpsPower GTR 4000A is a professional-grade, high-capacity jump starter built for drivers, fleet operators and commercial users who need serious power when a battery fails. With an impressive 4000A peak output and support for both 12V and 24V vehicles, it is designed to handle everything from cars, SUVs, motorcycles and boats to demanding commercial and heavy-duty vehicle applications. Its powerful 99.9Wh / 27,000mAh lithium-ion battery can deliver up to 60 jump starts on a single charge, giving you dependable emergency power without the worry of being stranded. It is also designed for modern vehicles with Turbo, Hybrid and Start-Stop systems, making it a versatile solution for today's vehicles.
Beyond jump-starting, the GTR works as a powerful portable charging station. The USB-C Power Delivery output provides up to 45W, making it suitable for fast-charging compatible smartphones, tablets, laptops and other USB-C devices, while its dual USB-A outputs with up to 18W QC fast charging keep multiple devices powered on the move. Its 130W 12V DC output adds even more versatility, allowing compatible accessories such as tyre inflators, air compressors and other 12V equipment to be powered wherever you are.
Built for real-world emergencies, the JumpsPower GTR also features three practical LED lighting functions, including a powerful work light for illuminating larger areas, an amber emergency warning light and a long-distance flashlight. Advanced smart protection, including spark-proof technology, reverse-polarity protection, short-circuit protection, over-current protection, over-voltage protection and overheat protection, helps provide greater confidence during demanding jump-start situations. With a long standby time of up to 9–12 months, this is the kind of essential power device you can keep ready in your vehicle for the moment you need it most.
Powerful enough for heavy-duty vehicles, versatile enough for everyday life—the JumpsPower GTR is more than just a jump starter. It's your portable power bank, emergency charging station and roadside backup solution in one rugged device. Keep the power with you and be ready to start, charge and move whenever the unexpected happens.