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The NOCO GBX75 Boost X is a powerful 2500A portable lithium jump starter for 12V lead-acid batteries. Suitable for petrol engines up to 8.5 litres and diesel engines up to 6.5 litres, it features UltraSafe 2.0 protection, 60W USB-C Power Delivery, a 400-lumen LED torch and IP65-rated protection with the ports closed.
The NOCO GBX75 Boost X is a powerful 12V lithium jump starter delivering up to 2500 amps of peak starting current. Designed for larger petrol and diesel engines, it combines UltraSafe 2.0 protection, rapid USB-C charging, portable device charging and a powerful 400-lumen LED torch.
Delivering up to 2500A of peak starting current, the NOCO GBX75 provides powerful emergency starting assistance for 12V vehicles with petrol engines up to 8.5 litres or diesel engines up to 6.5 litres.
Its compact rechargeable design makes it suitable for cars, vans, SUVs, trucks, motorhomes, boats, motorcycles, ATVs, tractors and other equipment fitted with a compatible 12V lead-acid starting battery.
Provides high starting power for demanding petrol and diesel engine applications.
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 GBX75 in approximately 1.7 hours 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.
Portable emergency starting power for larger petrol and diesel passenger vehicles.
A practical roadside or workshop tool for compatible 12V commercial vehicles.
Suitable for boats, motorhomes and leisure vehicles using compatible 12V lead-acid starting batteries.
High-output starting assistance for tractors, machinery and other compatible 12V equipment.
When the GBX75’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 GBX75 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 GBX75 normally detects 12V batteries down to approximately 2V. Manual Override can activate the jump-start output when battery voltage is too low for automatic detection.
The integrated 400-lumen LED torch provides useful lighting for roadside emergencies and low-light engine-bay work.
| Specification | NOCO GBX75 |
|---|---|
| Battery voltage | 12V |
| Compatible battery type | 12V lead-acid |
| Peak starting current | 2500A |
| Maximum petrol engine size | 8.5 litres |
| Maximum diesel engine size | 6.5 litres |
| Internal battery | 74Wh 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 | 400 lumens |
| Ingress protection | IP65 with port covers closed |
| Dimensions | 213.4mm × 137mm × 64.1mm |
| Weight | 1.71kg |
| Warranty | 1-year limited warranty |
The GBX75 is rated for petrol engines up to 8.5 litres and diesel engines up to 6.5 litres when used with a compatible 12V lead-acid starting battery.
No. The GBX75 is designed exclusively for compatible 12V lead-acid starting batteries.
No. Although the GBX75 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 GBX75 in approximately 1.7 hours. Lower-power USB sources will take longer.
NOCO recommends checking and recharging the unit every four to six months, and after use, so it is ready when required.
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
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