NOCO GBX75 Boost X 2500A 12V Lithium Jump Starter Power Pack

Description

Tab panes Powerful portable jump starting

NOCO GBX75 Boost X 2500A Lithium Jump Starter

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.

2500A Peak starting current 8.5L Maximum petrol engine size 6.5L Maximum diesel engine size 12V Lead-acid starting batteries

Portable starting power for larger engines

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.

Key features

2500A peak output

Provides high starting power for demanding petrol and diesel engine applications.

UltraSafe 2.0

Spark-proof technology and reverse-polarity protection help prevent incorrect connections during normal use.

60W USB-C Power Delivery

The bidirectional USB-C port supports rapid recharging and powers compatible USB-C portable devices.

Rapid recharge

Recharge the GBX75 in approximately 1.7 hours using a compatible 60W USB-C Power Delivery source.

400-lumen LED torch

Multiple brightness settings, SOS and emergency strobe modes provide practical roadside illumination.

IP65 protection

The rugged housing carries an IP65 rating when the USB port covers are correctly closed.

Suitable applications

Cars and SUVs

Portable emergency starting power for larger petrol and diesel passenger vehicles.

Vans and trucks

A practical roadside or workshop tool for compatible 12V commercial vehicles.

Marine and leisure

Suitable for boats, motorhomes and leisure vehicles using compatible 12V lead-acid starting batteries.

Plant and agriculture

High-output starting assistance for tractors, machinery and other compatible 12V equipment.

From 0% to jump-starting power in approximately five minutes

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.

How to jump start a vehicle

Check compatibility

Confirm that the vehicle uses a 12V lead-acid starting battery and is within the stated engine limits.

Attach the clamps

Connect the red clamp to positive and the black clamp to negative or a suitable vehicle earth point.

Switch on

Turn on the GBX75 and check that the Boost indicator confirms the connection is ready.

Start the vehicle

Start the vehicle within the 60-second Boost window, then switch off the unit before disconnecting it.

Please note: Read the NOCO user guide before use. Do not jump start damaged, frozen, 6V, 24V or lithium vehicle batteries.

Product details

Compatible engines and batteries

• For 12V lead-acid starting batteries only
• Petrol engines up to 8.5 litres
• Diesel engines up to 6.5 litres
• Compatible with wet-cell and flooded batteries
• Compatible with AGM and gel batteries
• Compatible with maintenance-free and EFB batteries
• Suitable for compatible hybrid vehicle 12V starting batteries

The GBX75 is not suitable for jump starting 6V or 24V batteries and must not be used to jump start lithium vehicle batteries. UltraSafe 2.0 safety technology

UltraSafe 2.0 combines spark-proof technology with reverse-polarity protection, enhanced thermal efficiency and intelligent power management.

• Spark-proof connection during during normal operation
• Reverse-polarity detection
• Hot and cold temperature indicators
• Error indication system
• Automatic 60-second power-conservation timer

Manual Override Mode

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.

Warning: Manual Override disables spark-proof and reverse-polarity protection. It should only be used by an experienced operator after checking the battery voltage, polarity and connections. USB-C charging and power bank

• Bidirectional USB-C Power Delivery input and output
• Up to 60W USB-C input
• Up to 60W USB-C output
• USB-A output rated at up to 10W
• Approximately 1.7-hour recharge using a compatible 60W source
• Approximately five minutes from empty to jump-starting power
• Charges compatible phones, tablets, laptops and USB devices

Charging performance depends on the power source used. A compatible 60W USB-C Power Delivery source is required to achieve the fastest recharge time. 400-lumen LED torch

The integrated 400-lumen LED torch provides useful lighting for roadside emergencies and low-light engine-bay work.

• Multiple brightness levels
• Emergency flashing mode
• SOS signalling mode

Technical specifications

What is included?

• NOCO GBX75 Boost X lithium jump starter
• Integrated heavy-duty precision battery clamps
• USB-C to USB-C charging cable
• 24-inch 12V to USB-C charging cable
• Microfibre storage bag
• Safety and warranty information

Frequently asked questions

What size engine can the GBX75 jump start?

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.

Can the GBX75 jump start a 24V vehicle?

No. The GBX75 is designed exclusively for compatible 12V lead-acid starting batteries.

Can it jump start a lithium vehicle battery?

No. Although the GBX75 contains an internal lithium-ion power source, its jump-starting output is intended only for 12V lead-acid vehicle batteries.

Is the GBX75 a battery charger?

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.

How quickly can the GBX75 be recharged?

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.

How often should the GBX75 be recharged?

NOCO recommends checking and recharging the unit every four to six months, and after use, so it is ready when required.

Is the GBX75 suitable for outdoor use?

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.

Portable starting power with NOCO Boost X

Explore our NOCO jump starters and battery chargers or contact our team for help choosing the correct model for your vehicle.

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Brand: NOCO

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