NOCO Boost X GBX45: 1250A 12V UltraSafe Portable Lithium Jump Starter

The NOCO Boost X GBX45 is a high-performance portable lithium car battery jump starter rated at 1,250 amps for 12-volt batteries in vehicles up to 6.5-liter gasoline and 4.0-liter diesel engines. Engineered for cars, trucks, SUVs, motorcycles, ATVs, boats, RVs, vans, and tractors, this advanced auto battery jump starter delivers extreme jump starting power and maximum energy transfer with every start. Featuring NOCOs latest UltraSafe 2.0 technology, the GBX45 offers enhanced thermal efficiency, power management, and upgraded spark-proof and reverse polarity protection making it one of the safest and most powerful booster pack jump starters in its class. It functions as a portable jump starter power pack with USB-C Power Delivery, enabling lightning-fast recharges and power for your favorite USB-C devices like smartphones, tablets, laptops, and wearables. Go from 0% to jump starting in just 5 minutes of charge making it the ultimate emergency car battery jump starter for fast-paced lifestyles. Whether you need a self jump starter for car, a battery booster for your truck, or a compact, portable battery jump starter for daily driving and adventure, the GBX45 is built to deliver unmatched speed, safety, and starting performance wherever you go.

• X FOR EXTREME An all-new design with extreme jump starting power for powerful engine starts. Rated at 1250-amps, this portable lithium car battery jump starter releases maximum energy at every start. This isn't an upgrade. It's a whole new series - the Extreme Series.
• TURBO CHARGEABLE Boost X is equipped with USB-C technology that, combined with power delivery, gives you lightning-fast recharges. Completely recharges in just 48-minutes, or go from 0% to jump starting in just 5-minutes of charge.
• CHARGE EVERYTHING With USB-C Power Delivery, you have the power to charge almost everything. Its internal power bank provides 60-watts of power - both in and out - to effortlessly power your favorite USB-C devices, like phones, tablets, laptops, wearables, and more.
• ULTRASAFE 2.0 We took our UltraSafe technology and made it better. It's still our simple, mistake-free design featuring spark-proof technology and reverse polarity protection, but with enhanced thermal efficiency and power management to provide better performance and longer battery life.
• MAXIMUM VERSATILITY Boost X is one of the most versatile lithium jump starters ever. Jump start all vehicle types, including cars, motorcycles, trucks, ATVs, boats, RVs, vans, SUVs, tractors, and more for up to 6.5-liter gasoline and 4.0-liter diesel engines.
• IN THE BOX Inside, you will find a GBX45 portable jump starter with battery booster clamps, a USB-C charging cable, and a microfiber storage bag. It also comes with a one-year warranty and is proudly designed in the USA.

We aim to provide a smooth and reliable delivery experience for all orders placed with Havenlia.

Processing Time

Orders are processed within 1–3 business days. Once your order has been dispatched, you will receive a confirmation email with tracking information.

Delivery

Most orders arrive within 7–12 business days after dispatch. Delivery times may vary depending on the item and your location. All orders are shipped with care to ensure quality and consistency.

Free Shipping

We offer free shipping on all orders within the United States, with no additional or hidden fees.

Customer Service

Availability: Monday to Friday, 9:00 AM – 5:00 PM (EST)

Company name: Havenlia
Business Address: 535 Beluga Ave Apt D, JBER, AK 99505, United States
Business email: [email protected]
Phone: +1 (313) 999-6518

Support Information:
Our English-speaking customer support team is available to assist customers across the United States. We aim to respond to all inquiries within 24 hours on business days.

We want you to feel confident with every purchase. If you are not completely satisfied, you may request a return within 30 days of receiving your order.

To be eligible for a return, items must be unused, in their original condition, and in the original packaging.

Once your return is received and inspected, we will process your refund.

Support Hours

Monday to Friday, 9:00 AM – 5:00 PM (EST)

Company name: Havenlia
Business Address: 535 Beluga Ave Apt D, JBER, AK 99505, United States
Business email: [email protected]
Phone: +1 (313) 999-6518

Support Information

Our dedicated customer support team is here to assist customers across the United States. We aim to respond to all enquiries within 24 hours on business days and are committed to providing fast, friendly, and professional support.