Vehicle jump starter NOCO GBX155, 4250 A output, 99 Wh Li‑Ion, 60 W charging, IP65, built‑in 500 lm LED flashlight

NOCO Boost X GBX155 is a portable 4250 A lithium-ion jump starter designed for 12-volt batteries. It supports starting gasoline engines up to 10.0 L and diesel engines up to 8.0 L and is suitable for cars, motorcycles, trucks, ATVs, boats, RVs, vans, SUVs and tractors. The unit features a compact black-and-grey design and an integrated USB output (20 V / 3 A) for auxiliary charging needs.

Advantages

The GBX155 provides a high 4250 A peak output for reliable engine starts, while lithium-ion battery technology keeps the device compact and lightweight compared with traditional lead-acid starters. It includes a USB 20 V / 3 A output for charging small devices and a design intended for easy storage and transport. The model is designed for use across a wide range of vehicle types and engine sizes specified for 12 V systems.

Suitable for

• Starting cars with gasoline engines up to 10.0 L
• Starting diesel vehicles with engines up to 8.0 L
• Motorcycles, ATVs and small recreational vehicles
• Trucks, vans, SUVs, boats and tractors within the specified engine limits

Key specifications

• Peak current: 4250 A
• Battery type: Lithium‑Ion
• System voltage: 12 V
• Supported engine size: gasoline up to 10.0 L, diesel up to 8.0 L
• USB output: 20 V / 3 A
• Charging time (manufacturer data): 64 hours
• Brand/Model: NOCO GBX155
• Color: Black / Grey

How to use

Ensure the vehicle ignition is off and connect the starter clamps to the vehicle battery following the correct polarity. Power on the NOCO GBX155 according to the user manual and attempt to start the engine. Once the engine is running, disconnect the unit from the battery clamps and allow the jump starter to recharge according to the manufacturer’s instructions. Use the USB output to charge compatible devices as needed.

Recommendations

Follow the NOCO user manual for safety instructions and correct clamp connection. Use the GBX155 only on 12 V lead-acid batteries and within the specified engine size limits. Store the unit charged in a dry place and recharge after use to maintain battery health.