Product Specifications
| Part Number |
GBX155 |
| System Voltage |
12 Volt |
| Battery Capacity |
99 Wh |
| Battery Chemistry |
Lithium-Ion |
| Length |
12 in. |
| Width |
6.9 in. |
| Height |
2.7 in. |
| Shipping Weight |
8.75 lbs. |
| Warranty |
1 Year Limited Warranty |
| Peak Starting Current |
4,250 Amps |
| USB-C Input |
5V/1.5A, 9V/3A, 12V/3A, 15V/3A, 20V/3A |
| USB-A Output |
5VDC 2.1A Max (10W Max) |
| USB-C Output |
5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3A |
| Maximum Gas Engine |
Up to 10.0 Liters |
| Maximum Diesel Engine |
Up to 8.0 Liters |
| LED Flashlight |
500 Lumens |
Package Includes
- NOCO GBX155 Lithium Jump Starter
- Heavy-Duty Precision Battery Clamps
- USB-C to USB-C Charging Cable
- 24-Inch 12V to USB-C Charging Cable
- Protective Microfiber Storage Bag
- User Manual and Warranty Information
Key Features
- Delivers an impressive 4,250 peak amps for reliable starts on demanding vehicles.
- Fast USB-C Power Delivery technology recharges the unit in approximately 2.7 hours or provides enough power for a jump start after only a few minutes of charging.
- Built-in 60W USB-C power bank charges phones, tablets, laptops, and other compatible electronics.
- UltraSafe protection system includes spark-resistant connections, reverse polarity safeguards, and enhanced thermal management for dependable operation.
- Suitable for a wide range of vehicles including cars, trucks, SUVs, motorcycles, boats, RVs, tractors, vans, and powersports equipment.
Product Overview
The NOCO Boost X GBX155 is a heavy-duty 12-volt lithium jump starter designed to provide dependable starting power for gasoline engines up to 10.0 liters and diesel engines up to 8.0 liters. Whether you're working with passenger vehicles, heavy-duty trucks, recreational vehicles, motorcycles, boats, or agricultural equipment, the GBX155 is engineered to deliver powerful performance when you need it most.
- 4,250 peak starting amps.
- Compatible with 12-volt batteries.
- Supports engines up to 10L gasoline and 8L diesel.
- Portable design with integrated power bank functionality.
High-Powered Starting Performance
Powered by advanced lithium battery technology, the Boost X GBX155 is engineered to provide consistent starting performance for everything from everyday vehicles to heavy-duty equipment. Its updated design delivers maximum power output while remaining compact enough to store in your vehicle or toolbox.
Rapid USB-C Charging
Recharge downtime is minimized thanks to high-speed USB-C Power Delivery technology. The GBX155 can be fully recharged in approximately 2.7 hours using a compatible charger, while just a few minutes of charging can provide enough energy for an emergency jump start.
Integrated 60W USB-C Power Bank
More than just a jump starter, the GBX155 doubles as a portable power source for everyday electronics. The built-in 60-watt USB-C output makes it easy to recharge smartphones, tablets, laptops, cameras, wearable devices, and other USB-powered equipment while you're on the road or at the jobsite.
Enhanced Safety Technology
The GBX155 incorporates NOCO's advanced UltraSafe protection system with upgraded thermal efficiency and intelligent power management. Spark-resistant operation and reverse polarity protection help reduce the risk of user error while extending battery performance and overall reliability.
Automatic Power Management
After activating the jump-start sequence, the unit remains ready for approximately 60 seconds before automatically timing out to conserve battery power. If another attempt is needed, simply cycle the unit off and back on to begin a new jump-start sequence.
Built-In LED Flashlight
The integrated 500-lumen LED flashlight adds everyday convenience for roadside emergencies, nighttime repairs, and outdoor use. Multiple lighting modes—including adjustable brightness levels, strobe, blinking, and SOS—provide added versatility when visibility is limited.