4000A Portable Jump Starter, 12V 24000mAh Power Bank

4000A jump starter power brings a dead 12V battery back fast, so you’re not stranded at home, on the road, or off-grid. This portable lithium battery booster combines a compact jump box, USB power bank, and 3-mode emergency flashlight in one durable unit. Built for cars, trucks, motorcycles, boats, and equipment, it’s sized to store easily in your vehicle while offering high output for larger engines when you need it most.

• Jump-starts 12V vehicles up to 10L gas and 8L diesel with 4000A peak output.


• Delivers safer starts with 12 built-in protections including reverse polarity, spark-proof, overcurrent, and temperature protection.


• Charges phones and tablets via USB and Type-C fast charge up to 18W for travel and emergencies.


• Lights the scene with 3 flashlight modes (steady, strobe, SOS) for roadside, camping, and outages.


• Fits glovebox-ready storage with a compact body and carry bag for quick grab-and-go access.

Keep dependable starting power and charging capability within reach—this battery booster is designed for quick, simple operation when time matters. Use it for late-night battery failures, weekend trips, off-roading, or as a backup during power outages. The rugged ABS/PC housing helps resist impacts and dust for long-term vehicle carry. If you want one compact unit that covers jump starts, device charging, and emergency lighting, grab yours today and keep it in your car year-round.

• Peak current: 4000A


• Start current: 700A


• Battery capacity: 24,000 mAh / 88.8 Wh


• USB/Type-C output: 5V/3A, 9V/2A, 12V/1.5A (18W max)


• Type-C input: 5V/3A, 9V/2A, 12V/1.5A (18W)


• DC output: 12–16V / 10A


• Jump clamps: 8 AWG


• Operating temperature: -4°F to 122°F (-20°C to 50°C)


• Materials: ABS + PC


• Flashlight modes: steady, strobe, SOS