NOCO Boost X GBX45: 1250A UltraSafe Jump Starter – 12V Lithium Battery Booster Pack, Portable Jump Box, Power Bank & Jumper Cables - for 6.5L Gas and 4.0L Diesel Engines

The GBX45 Boost X is a new class of portable lithium jump starters—engineered for extreme performance and rated at 1,250 amps to start gas engines up to 6.5 liters and diesel engines up to 4.0 liters. Featuring our upgraded UltraSafe 2.0 technology, it offers spark-proof connections and reverse polarity protection, now with enhanced thermal efficiency and power management for even greater safety and battery life. Designed with a high-voltage output system, the GBX45 includes an integrated 60-second timer to conserve energy—delivering up to 6 jump starts per charge with maximum power on every start. Even if completely depleted, it can gain enough power for a jump start in just 5 minutes or fully recharge in only 48 minutes via USB-C Power Delivery. A 60-watt USB-C port provides both input and output, turning Boost X into a high-performance power bank for fast charging phones, tablets, laptops, and other USB-C devices. A precision-engineered 100-lumen LED flashlight features seven modes, including SOS and strobe, to light up dark workspaces or help in roadside emergencies. The GBX45 jump starter comes complete with heavy-duty jumper clamps, a USB-C charging cable, and a microfiber storage bag, all backed by a 1-year limited warranty and proudly engineered in the USA. Whether you're looking for a car jump starter, battery jump box, jumper pack, power pack jump starter, or a reliable jump starter battery pack to keep in your glovebox, the GBX45 delivers unmatched performance, trusted durability, and peace of mind—on the road, off the grid, or wherever your next adventure takes you.

Features & Specs

• Amperage : 1250 Amps
• Automotive Fit Type : Universal Fit
• Battery Capacity : 250 Amp Hours
• Battery Type : Lithium
• Compatible with Vehicle Type : ATV, Motorcycle, Passenger Car, RV, Tractor, Truck, UTV, Van, Watercraft
• Peak Output Current : 1250 Amps
• Voltage : 12 Volts

Item details

• ASIN : B0924V8SPC
• Brand Name : NOCO
• Global Trade Identification Number : 00046221200065
• Included Components : 1-Year Warranty, GBX45 UltraSafe Portable Lithium Car Battery Booster Jump Starter Pack, Heavy-Duty Jumper Cable Clamps, Microfiber Storage Bag, Power Bank with 60W USB-C Power Delivery, USB-C Charging Cable
• Item Type Name : Jump Starter
• Manufacturer : NOCO
• Manufacturer Part Number : GBX45
• Manufacturer Warranty Description : 1 Year Limited
• Model Number : GBX45
• UPC : 046221200065
• Unit Count : 1.0 Count

Measurements

• Item Dimensions D x W x H : 3.62'D x 4.96'W x 8.23'H
• Item Weight : 1.2 Kilograms

User guide

• Specification Met : energy