Vehicle audio solutions since 2001
We also offer installation & fitting support. Ask us about fitting.
The NOCO Boost X GBX45 is a compact 1250A lithium jump starter for 12V lead-acid batteries in petrol engines up to 6.5 litres and diesel engines up to 4.0 litres. UltraSafe 2.0 provides spark-proof connections and reverse-polarity protection, while 60W USB-C Power Delivery enables rapid recharging and can power compatible phones, tablets and laptops. An integrated seven-mode 100-lumen LED flashlight provides practical roadside illumination.
The NOCO GBX45 Boost X is a compact 12V lithium jump starter delivering up to 1250 amps of peak starting current. Suitable for petrol engines up to 6.5 litres and diesel engines up to 4.0 litres, it combines UltraSafe 2.0 protection, rapid USB-C charging, portable device charging and a 100-lumen LED torch.
Delivering up to 1250A of peak starting current, the NOCO GBX45 provides dependable emergency starting assistance for 12V vehicles with petrol engines up to 6.5 litres or diesel engines up to 4.0 litres.
Its compact rechargeable design makes it suitable for cars, SUVs, vans, small trucks, boats, motorcycles, ATVs and other equipment fitted with a compatible 12V lead-acid starting battery.
Provides powerful emergency starting assistance for compatible petrol and diesel engines.
Spark-proof technology and reverse-polarity protection help prevent incorrect connections during normal use.
The bidirectional USB-C port supports rapid recharging and powers compatible USB-C portable devices.
Recharge the GBX45 in approximately 48 minutes using a compatible 60W USB-C Power Delivery source.
Multiple brightness settings, SOS and emergency strobe modes provide practical roadside illumination.
The rugged housing carries an IP65 rating when the USB port covers are correctly closed.
Compact emergency starting power for compatible petrol and diesel passenger vehicles.
A practical roadside or workshop tool for compatible 12V light commercial vehicles.
Suitable for boats and leisure equipment using compatible 12V lead-acid starting batteries.
Portable starting assistance for motorcycles, ATVs and other compatible 12V equipment.
When the GBX45's internal battery is flat, a compatible 60W USB-C Power Delivery source can provide sufficient energy for a jump-start attempt in approximately five minutes. A suitable 60W power source is required to achieve the fastest charging performance.
Confirm that the vehicle uses a 12V lead-acid starting battery and is within the stated engine limits.
Connect the red clamp to positive and the black clamp to negative or a suitable vehicle earth point.
Turn on the GBX45 and check that the Boost indicator confirms the connection is ready.
Start the vehicle within the 60-second Boost window, then switch off the unit before disconnecting it.
UltraSafe 2.0 combines spark-proof technology with reverse-polarity protection, enhanced thermal efficiency and intelligent power management.
The GBX45 normally detects 12V batteries down to approximately 3V. Manual Override can activate the jump-start output when the battery voltage is too low for automatic detection.
The integrated 100-lumen LED torch provides useful lighting for roadside emergencies and low-light engine-bay work.
| Specification | NOCO GBX45 |
|---|---|
| Battery voltage | 12V |
| Compatible battery type | 12V lead-acid |
| Peak starting current | 1250A |
| Maximum petrol engine size | 6.5 litres |
| Maximum diesel engine size | 4.0 litres |
| Internal battery | 31Wh lithium-ion |
| USB-C input | Up to 60W Power Delivery |
| USB-C output | Up to 60W Power Delivery |
| USB-A output | 5V DC, 2.1A maximum / 10W maximum |
| LED torch | 100 lumens |
| Ingress protection | IP65 with port covers closed |
| Operating temperature | -20°C to +50°C |
| Charging temperature | 0°C to +40°C |
| Dimensions | 173.4mm × 83.15mm × 52.85mm |
| Weight | Approximately 0.59kg |
| Warranty | 1-year limited manufacturer warranty |
The GBX45 is rated for petrol engines up to 6.5 litres and diesel engines up to 4.0 litres when used with a compatible 12V lead-acid starting battery.
No. The GBX45 is designed exclusively for compatible 12V lead-acid starting batteries.
No. Although the GBX45 contains an internal lithium-ion power source, its jump-starting output is intended only for 12V lead-acid vehicle batteries.
No. It provides high-current starting assistance but does not recharge or maintain the vehicle battery. Use a suitable NOCO Genius charger for battery charging and maintenance.
A compatible 60W USB-C Power Delivery source can fully recharge the GBX45 in approximately 48 minutes. Lower-power USB sources will take longer.
No. A USB-A to USB-C charging cable is supplied, but a mains power adapter is not included. A compatible 60W USB-C Power Delivery charger is required for the fastest charging performance.
The housing is rated IP65 when the port covers are closed. It should not be submerged, and the ports must remain protected from water and contamination.
Explore our NOCO jump starters and battery chargers or contact our team for help choosing the correct model for your vehicle.
Brand: NOCO
Car models: The years stated refer to the model's years of manufacture, please check the item description for information about any changes there may be within these productions years.
Any Car - Any Car (No year)
© Copyright 2026 InCarTec. All Rights Reserved
