New design with extreme starting power for fast and powerful motors. Introducing a new kind of quick start with the latest PX lithium technology that delivers incredible power, ultra-fast charging and unmatched versatility. This is not an upgrade. This is a brand new series – BOOST X with more starting power.
- Designed for gasoline engines up to 10 liters and diesel engines up to 8 liters for small diesel cars, SUVs, boats, trucks, quads, motorcycles and more,
- Equipped with USB-C technology, which, combined with power delivery, provides instant charging.
- Charges USB devices such as smartphones, tablets and others
UltraSafe 2.0 – We’ve taken our UltraSafe technology and improved it. It’s still our simple, bug-free design with anti-spark technology and reverse polarity protection, but with improved thermal efficiency and power management to provide better performance and longer battery life. Compatible – The Boost X is one of the most versatile starters ever developed with 4250 amps of starting power for up to 10.0-liter gasoline and 8.0-liter diesel engines.
That’s what you get with Boost X – GBX155 UltraSafe, a portable lithium battery for emergency startup with a 60W USB-C power adapter, heavy-duty connection cable clips, USB-C charging cable, microfiber storage bag and a one-year warranty.

The new Boost X combines immense power with unparalleled ease of use, versatility and maximum conductivity. Turbo Chargeable – Boost X is equipped with USB-C technology, which, combined with power delivery, provides instant charging. Fully charged in 2.7 hours, or from 0% to fast start after just 5 minutes of charging. Power everything – with USB-C Power Delivery, you have the power to charge almost anything. Its internal power bank provides 60 watts of power – both input and output – to seamlessly power our favorite USB-C devices such as phones, tablets, laptops, wearables and more.

SPECIFICATIONS:
- Lithium-ion battery 99WH
- Peak current value: 4250A
- USB C, A input
- IP65 housing, with sealed ports
- Dimensions (L x W x H): 30.6 x 16.3 x 6.9 cm.
- Weight 2.64 kg
- Flashlight brightness 100 lumens
SET INCLUDES:
- NOCO GBX45 device
- Extra strong HD clamps
- USB-C / USB-A cable
- Micro-fiber bag for storing the device
- User manual in Polish