NOCO
4250A 12V Boost X UltraSafe Jump Starter
SKU: GBX155
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$369.95
Features
Specifications
Introducing the Boost X Series, a revolutionary jump starting experience powered by the latest PX Lithium Technology. This isn't just an upgrade—it's a whole new class of jump starter, delivering incredible power and maximum current for the most demanding starts. The Boost X is now turbo-chargeable via 60W USB-C Power Delivery, allowing you to go from 0% to a jump start in just 5 minutes, or fully recharge the GBX155 model in a blazing 2.7 hours. NOCO has also enhanced their core safety with UltraSafe 2.0 Technology, featuring spark-proof design, reverse polarity protection, and superior thermal efficiency for better performance and longer battery life. More than just a jump starter, Boost X acts as a powerful 60-watt power bank to effortlessly charge your phones, tablets, and laptops. Complete with a 500-Lumen LED flashlight with multiple modes and emergency strobe, the Boost X is an indispensable tool for daily use and roadside emergencies.
- Turbo charge
- UltraSafe 2.0 technology for spark-proof technology & reverse polarity protection
- Enhanced thermal efficiency & power management for better performance and life
- USB-C power bank core conveniently charges all kinds of devices
- 500 Lumen LED flashlight with SOS & emergency strobe modes"
| Brand | NOCO |
|---|---|
| Date Added | Feb 12, 2026 |
| UPC | 046221200096 |
| Store Location (Lititz, PA) | Aisle 10 End Cap |
| Package Length (in) | 9.20" |
| Package Width (in) | 14.50" |
| Package Height (in) | 11.30" |
| Manufacturer Part Number | GBX155 |
| Max Output | 4,250 A |
| What's In The Box | GBX155 Lithium Jump Starter Integrated HD Precision Battery Clamps, USB-C to USB-C Cable 24in 12V to USB-C Cable Microfiber Storage Bag Safety, & Warranty Information |
| Starting Current | 4250 Amps (Peak) |
| Battery Types | 12 Volt Lead-Acid Batteries |
| Internal Battery | 99 Watt-Hour Lithium-Ion |
| USB Input | USB-C: 5 Volts 1.5 Amps / 9 Volts 3 Amps / 12 Volts 3 Amps / 15 Volts 3 Amps / 20 Volts 3 Amps |
| USB Output | USB-A: 5 Volts 2.1 Amps Max / 10 Watts Max USB-C: 5 Volts 3 Amps / 9 Volts 3 Amps / 12 Volts 3 Amps / 15 Volts 3 Amps / 20 Volts 3 Amps |
| Gas Engine Rating | Up to 10 Liters |
| Diesel Engine Rating | Up to 8 Liters |
| LED Flashlight | 500 Lumens |
| Product Height | 6.89" (175mm) |
| Product Width | 12.03" (305.6mm) |
| Depth | 2.72" (69.1mm) |
| Weight | 5.82 lbs (2.64kg) |
| IP Rating | IP65 (w/ Ports Closed) |
| Limited Warranty | 1 Year Hassle-Free Warranty |
| Dimensions | 6.90" x 12.03" |
| Product Size | Height: 6.89" (175mm) |