The NOCO GB50 Boost XL is a compact 1500-amp portable lithium-ion jump starter designed for 12V lead-acid batteries and engines up to 7.0L gasoline and 4.5L diesel. Its 35Wh lithium-ion battery can provide up to 30 jump starts per charge, making it a practical emergency power solution for cars, SUVs, trucks, boats, ATVs, motorcycles and other compatible vehicles.
Designed for safer, straightforward operation, the GB50 incorporates spark-proof technology and reverse-polarity protection. It also functions as a portable USB power bank and features an integrated 200-lumen LED flashlight with seven modes, including SOS and emergency strobe functions.
Features
- 1500A peak jump-starting power
- Designed for 12V lead-acid batteries
- Supports gasoline engines up to 7.0L
- Supports diesel engines up to 4.5L
- 35Wh internal lithium-ion battery
- Up to 30 jump starts per charge
- Approximately 3-hour charging time
- Spark-proof connection technology
- Reverse-polarity protection
- HD Precision Boost battery clamps
- 5V USB-A output for charging compatible personal electronics
- Up to 6 smartphone recharges
- 12V power connection
- Built-in 200-lumen LED flashlight
- Seven flashlight modes
- SOS and emergency strobe modes
- Hot and cold LED indicators monitor internal battery operating temperature
- Designed to hold its charge for up to one year
- Compact and portable design
- No integrated air compressor
- Limited 1-year warranty
Specifications
- Brand: NOCO
- Series: Boost XL
- Manufacturer Part Number: GB50
- Product Type: Portable Lithium-Ion Battery Jump Starter
- Battery Application: 12V Lead-Acid Batteries
- Peak Current: 1500A
- Internal Battery: Lithium-Ion
- Battery Capacity: 35Wh
- Maximum Gasoline Engine Size: 7.0L
- Maximum Diesel Engine Size: 4.5L
- Jump Starts Per Charge: Up to 30
- Charging Time: Approximately 3 Hours
- USB Input: 5V
- USB-A Output: 5V
- 12V Connection: Yes
- Built-In LED Flashlight: Yes
- Flashlight Output: 200 Lumens
- Flashlight Modes: 7
- Reverse-Polarity Protection: Yes
- Spark-Proof Protection: Yes
- Air Compressor: No
- Condition: Brand New
- Product: Genuine NOCO Product
What’s Included
- NOCO GB50 Boost XL 1500A lithium-ion jump starter
- HD Precision battery terminal clamps
- 12V car charger
- Micro USB cable
- Microfiber storage bag
Compatibility
The GB50 is designed for compatible 12V lead-acid battery systems in vehicles with engines up to 7.0L gasoline or 4.5L diesel, including:
- Cars
- SUVs
- Vans
- Trucks
- Boats
- ATVs
- Motorcycles
- Powersports equipment
Important
Maximum supported engine displacement does not guarantee successful starting under every condition. Battery condition, ambient temperature, engine condition and other factors can affect the power required to start a vehicle.
The GB50 is designed for 12V lead-acid battery jump-starting applications. Verify battery voltage and application before connecting the unit.
Warranty
Backed by a limited 1-year manufacturer warranty.






