Jump Starter NOCO GBX45 1250 A Lithium-Ion, 31 Wh, IP65, USB-C & USB-A, 60 W charging

NOCO Boost X GBX45 is a portable 1250 Amp lithium-ion jump starter designed for 12-volt vehicle batteries. It supports gasoline engines up to 6.5 L and diesel engines up to 4.0 L and is suitable for cars, motorcycles, trucks, ATVs, boats, RVs, vans, SUVs and tractors. The compact unit includes a USB output (20 V, 3 A) for charging external devices and is intended to revive a dead battery and restore vehicle starting power.

Advantages

The NOCO GBX45 provides a high 1250 A peak current in a relatively compact lithium-ion package, enabling quick jump starts for a wide range of 12 V vehicles. Its built-in 20 V / 3 A USB output adds device-charging versatility. The unit is designed for safe connection and portable storage, with battery chemistry and electronics that deliver efficient energy delivery and protection features common to NOCO starters.

Suitable for

• Cars with gasoline engines up to 6.5 L
• Diesel vehicles up to 4.0 L
• Motorcycles and ATVs
• Light trucks, vans, SUVs and RVs
• Boats and tractors with 12 V systems

Key specifications

• Peak current: 1250 A
• Battery type: Lithium‑ion
• Supported systems: 12 V vehicle batteries
• Max gasoline engine: 6.5 L
• Max diesel engine: 4.0 L
• USB output: 20 V, 3 A
• Model / MPN: GBX45
• Brand: NOCO
• EAN: 1210000620064

How to use

Ensure the jump starter is charged before use. Turn off the vehicle and any accessories, then connect the NOCO GBX45 clamps to the battery terminals (positive to positive, negative to negative or vehicle ground) following the device's polarity indications. After a secure connection, start the vehicle. Once the engine runs, disconnect the jump starter clamps in reverse order and store the unit. Use the USB output to charge devices when needed, following the output limits.

Usage recommendations

Charge and inspect the jump starter regularly to maintain readiness. Follow the manufacturer’s safety instructions and observe correct clamp polarity when connecting. Do not attempt to jump start damaged or frozen batteries without professional advice. Store the unit in a dry place and avoid exposure to extreme temperatures.