Introduction
The NOCO Boost GB40 is a compact, yet powerful, 1000-amp lithium jump starter designed to safely jump start a dead car battery in seconds. This portable device is suitable for a wide range of vehicles, including cars, trucks, motorcycles, ATVs, boats, SUVs, and vans. It incorporates advanced safety features and offers additional functionalities such as a portable power bank and an integrated LED flashlight.

The NOCO Boost GB40 unit with its included heavy-duty clamps.
Consignes de sécurité
WARNING: Read and understand all safety information before using this product. Failure to follow these safety instructions may result in electrical shock, explosion, fire, which may result in serious injury, death, or property damage.
- Sécurité des batteries : Do not attempt to jump start a frozen battery. If the battery fluid is frozen, do not use the device.
- Ventilation: Ensure adequate ventilation when operating in an enclosed area.
- Connexions à l'épreuve des étincelles : The GB40 features spark-proof technology and reverse polarity protection. However, always ensure correct connection to battery terminals.
- Enfants: Tenir hors de portée des enfants. Ce n'est pas un jouet.
- Chargement : Only charge the device using the provided USB-C cable. Do not use damaged cables or chargers.

The UltraSafe technology ensures spark-proof connections and reverse polarity protection for safe operation.
Qu'y a-t-il dans la boîte
Vérifiez que tous les composants sont présents et en bon état :
- GB40 Portable Car Battery Jump Starter Pack
- Booster robuste Clamps
- Câble de chargement USB-C
- Sac de rangement en microfibre
- User Guide for Jump Starter
- Informations sur la garantie limitée de 1 ans

All items included in the NOCO Boost GB40 package.
Installation
Charge initiale
Before first use, fully charge the GB40. The unit comes partially charged from the factory. It is recommended to fully charge the unit before use to ensure optimal performance.
- Connect the included USB-C charging cable to the USB-C IN port on the GB40.
- Connect the other end of the USB-C cable to a USB wall charger (not included) or a powered USB port.
- The Charge LEDs will illuminate, indicating the charging status. All four LEDs will be solid white when fully charged.
- Une charge complète prend généralement environ 3 heures.

Understanding the LED indicators on the GB40 for charge status and operation.
Mode d'emploi
Sauter le démarrage d'un véhicule
- Connecter Clamps: Attach the heavy-duty booster clamps to the GB40. Ensure a secure connection.
- Connexion à la batterie : Connectez le cl rouge (positif)amp à la borne positive (+) de la batterie et au fil noir (négatif)amp à la borne négative (-) de la batterie.
- Mise sous tension : Press the Power Button on the GB40. The Power LED will illuminate white. The Charge LEDs will indicate the GB40's battery level.
- Démarrer le véhicule : Attempt to start your vehicle. If the vehicle does not start after 1-3 seconds, wait 15-30 seconds and try again.
- Déconnecter: Once the vehicle starts, disconnect the battery clamps from the vehicle battery first, then disconnect the clamps from the GB40.

The GB40 is designed to instantly start dead batteries, providing up to 20 jump starts on a single charge for engines up to 6.0L gas and 3.0L diesel.

Simple four-step process for jump starting your vehicle with the GB40.
Utilisation comme banque d'alimentation portable
The GB40 can be used to charge USB devices such as smartphones, tablets, and other portable electronics.
- Connect your device's USB charging cable to the USB OUT port on the GB40.
- The GB40 will automatically begin charging your device.

The GB40 functions as a portable power bank with 2.1A USB-A output and 10W USB-C input for recharging.
Using the Integrated LED Flashlight
The GB40 features a powerful 100-lumen LED flashlight with multiple modes for various situations.
- Press the Light Mode Button to cycle through the seven light modes: 100% > 50% > 10% > SOS > Blink > Strobe > Off.
- Hold the Light Mode Button for 3 seconds to activate the SOS or Strobe modes directly.

The integrated 100-lumen LED flashlight offers multiple modes for illumination during repairs, emergencies, or in low-light environments.
Entretien
- Nettoyage: Clean the exterior of the GB40 with a soft, damp chiffon. N'utilisez pas de produits chimiques agressifs ou de matériaux abrasifs.
- Stockage: Store the GB40 in a cool, dry place when not in use. Avoid extreme temperatures.
- Rechargement : For optimal battery life, recharge the GB40 every 2-3 months, even if not used.
- Entretien des câbles : Inspectez la clamps and cables for any damage before each use. Replace if damaged.
Dépannage
| Problème | Cause possible | Solution |
|---|---|---|
| GB40 does not turn on. | La batterie est complètement déchargée. | Charge the GB40 using the USB-C cable. |
| Le véhicule ne démarre pas avec des câbles. | Mauvaise connexion aux bornes de la batterie. | Assurez-vous que clampLes connecteurs sont solidement reliés à des bornes de batterie propres. |
| Le véhicule ne démarre pas avec des câbles. | Battery is severely discharged or damaged. | Try using the Manual Override feature (refer to full user guide for details). If still unsuccessful, the battery may need replacement. |
| Error LED is blinking. | Connexion à polarité inversée. | Déconnecter clamps and reconnect correctly (red to positive, black to negative). |
| Error LED is blinking. | Court-circuit détecté. | Assurez-vous que clamps are not touching each other or other metal surfaces. |
Caractéristiques
| Fonctionnalité | Détail |
|---|---|
| Modèle | GB40 |
| Culminer Amprage | 1000 Amps |
| Type de batterie | Lithium-ion |
| Voltage | 12V |
| Compatibilité moteur | Jusqu'à 6.0 L essence, 3.0 L diesel |
| Sortie USB | 2.1 A (USB-A) |
| USB Input (Recharge) | 10 W (USB-C) |
| Lampe de poche à LED | 100 Lumens, 7 Modes |
| Dimensions (L x P x H) | 4.61" x 8.19" x 4.21" |
| Poids de l'article | 7.94 onces |
| Résistance à l'eau | IP65 (Rugged, water-resistant enclosure) |
| Caractéristiques de sécurité | Spark-Proof, Reverse Polarity Protection |
Garantie et assistance
Informations sur la garantie
The NOCO Boost GB40 comes with a 1-Year Limited Warranty. This warranty covers defects in material and workmanship under normal use. For specific terms and conditions, please refer to the warranty card included in your product packaging or visit the official NOCO website.
Assistance clientèle
For technical assistance, troubleshooting, or warranty claims, please contact NOCO Customer Support. You can find contact information on the official NOCO websur le site ou auprès du détaillant où vous avez acheté le produit.
Ressources en ligne :
- Official NOCO Website: pas de co
- Page d'assistance produit (le cas échéant) : Consultez la page officielle website for dedicated product support pages, FAQs, and additional resources.





