Introdución
The NOCO Boost X GBX155 is a new class of portable lithium jump starters, engineered for extreme performance. Rated at 4,250 amps, it is designed to start gas engines up to 10.0 liters and diesel engines up to 8.0 liters. This unit features UltraSafe 2.0 technology, providing spark-proof connections and reverse polarity protection for enhanced safety and extended battery life. Beyond jump starting, the GBX155 also functions as a high-performance power bank for charging various USB-C devices and includes an integrated 500-lumen LED flashlight.

Image: The NOCO Boost X GBX155 unit with its heavy-duty clamps.
O que hai na caixa
- GBX155 UltraSafe Portable Lithium Car Battery Booster Jump Starter Pack
- Power Bank with 60W USB-C Power Delivery
- Heavy-Duty Jumper Cable Clamps
- Cable de carga USB-C
- 12V USB-C Fast Charger
- Bolsa de almacenamento de microfibra
- 1 ano de garantía

Image: All components included in the NOCO Boost X GBX155 package.
Características clave
- Extreme Performance: Valorado en 4,250 amps, capable of starting gas engines up to 10.0L and diesel engines up to 8.0L.
- Tecnoloxía UltraSafe 2.0: Features upgraded spark-proof connections and reverse polarity protection, with enhanced thermal efficiency and power management for safer operation and extended battery life.
- Turbo Chargeable: Recharges in approximately 2.7 hours via USB-C Power Delivery. Can gain enough power for a jump start in just 5 minutes from a completely depleted battery.
- 60-Second Timer: An integrated timer conserves power from its high-voltage design, allowing up to 18 jump starts per charge with extreme energy at every start.
- Carga versátil: 60-watt USB-C Power Delivery port for charging phones, tablets, laptops, and other USB-C devices. Supports dual-direction charging, turning the Boost X into a high-output portable power bank.
- Lanterna LED integrada: A precision-engineered 500-lumen LED flashlight with 7 light modes, including SOS and strobe, for illuminating workspaces or roadside emergencies.
Configuración e carga
Before initial use, fully charge the GBX155. For optimal charging speed, use the included 12V USB-C Fast Charger. The unit can also be charged via any USB-C Power Delivery source.
- Connect the USB-C charging cable to the "USB-C In/Out" port on the GBX155.
- Connect the other end of the USB-C cable to the 12V USB-C Fast Charger or a compatible USB-C Power Delivery adapter.
- Plug the charger into a power outlet. The charge LEDs on the unit will illuminate to indicate charging status. A full charge is indicated when all charge LEDs are solid green.

Image: The NOCO Boost X GBX155 connected for fast charging via USB-C.
The GBX155 can also serve as a power bank to charge other devices. Simply connect your device to the USB-A or USB-C output ports using appropriate cables.

Image: The NOCO Boost X GBX155 connected to charge multiple electronic devices.
Instrucións de funcionamento (arranque auxiliar)
Follow these steps to safely jump start a vehicle:
- Conectar Clamps: Ensure the GBX155 is off. Connect the heavy-duty clamps to the GBX155. Connect the red positive (+) clamp ao terminal positivo da batería e ao negativo negro (-) clamp to the negative battery terminal or a chassis ground point. The unit's UltraSafe 2.0 technology provides spark-proof connections and reverse polarity protection.
- Encendido: Press the Power Button on the GBX155. The Power LED will illuminate white. The charge LEDs will indicate the internal battery level.
- Arrancar o vehículo: Attempt to start your vehicle. If the vehicle does not start immediately, wait 20-30 seconds and try again. The GBX155 has an integrated 60-second timer; if the vehicle does not start within this time, the unit will power off to conserve energy.
- Power Off/Detach: Once the vehicle starts, power off the GBX155 and disconnect the clamps dos terminais da batería.

Image: Visual guide showing the four easy steps to jump start a vehicle with the GBX155.
Usando a lanterna LED
The GBX155 features a powerful 500-lumen LED flashlight. To activate, press the Light Mode Button. Cycle through the 7 available modes (100%, 50%, 10%, SOS, Blink, Strobe, Off) by pressing the button repeatedly.

Image: The integrated 500-lumen LED flashlight on the GBX155, illustrating its various brightness and emergency modes.
Mantemento
- Cargando: For optimal battery life, fully charge the GBX155 after each use and at least every 3-6 months, even if not used.
- Limpeza: Limpar a unidade cun suave, damp pano. Non use produtos químicos agresivos ou materiais abrasivos.
- Almacenamento: Store the unit in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided microfiber storage bag for protection.
- Clamp Coidados: Manteña o clamps limpo e libre de corrosión.
Resolución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| A unidade non se acende nin responde. | A batería está completamente esgotada. | Charge the unit using the USB-C charging cable and a compatible charger. Even a 5-minute charge can provide enough power for a jump start. |
| Unit does not jump start vehicle. | Cl incorrectoamp conexión (polaridade inversa). | Asegurar clamps are connected correctly: red to positive (+), black to negative (-). The unit has reverse polarity protection. |
| A batería do vehículo está gravemente descargada ou danada. | Ensure the GBX155 is fully charged. If the vehicle battery is completely dead, use the Manual Override feature (refer to the full user guide for details). Consult a professional if the battery is damaged. | |
| Unit timed out (60-second timer). | Power off the unit, then power it back on to reset the timer and initiate a new jump-start sequence. | |
| LED flashlight does not work. | Unit is off or battery is low. | Ensure the unit is powered on and has sufficient charge. |
Especificacións
| Especificación | Valor |
|---|---|
| Marca | NOCO |
| Modelo | 155 GBX |
| Pico de corrente de saída | 4250 Amps |
| Dimensións do produto | 8.18" D x 4.84" W x 13.51" H |
| Peso do elemento | 7.01 libras |
| Compatibilidade do motor (gasolina) | Ata 10.0 litros |
| Compatibilidade de motores (diésel) | Ata 8.0 litros |
| Entrega de enerxía USB-C | 60 vatios (entrada/saída) |
| Lúmenes da lanterna LED | 500 lúmenes |
| Tipo de batería | Ion de litio |
Garantía e Soporte
The NOCO Boost X GBX155 comes with a 1 ano de garantía limitada. For detailed warranty information, product registration, or technical support, please refer to the official NOCO website or the full user guide.
Podes acceder á Guía do usuario oficial (PDF) aquí.





