1. Introduction
Thank you for choosing the BESTEK MRI1511U 150W Power Inverter. This device is designed to convert your vehicle's 12V DC power into 110V AC household power, along with providing dual USB charging ports. It allows you to power and charge various electronic devices on the go, making it ideal for road trips, camping, et l'utilisation d'urgence.
Veuillez lire attentivement ce manuel avant d'utiliser le produit afin de garantir une utilisation sûre et optimale. Conservez ce manuel pour toute consultation ultérieure.
2. Consignes de sécurité
AVERTISSEMENT : Le non-respect de ces consignes de sécurité peut entraîner un incendie, une électrocution ou des blessures.
- N’exposez pas l’onduleur à la pluie, à l’humidité ou à des températures extrêmes.
- Assurez-vous que la quantité totale d'eautagLa puissance des appareils connectés ne dépasse pas 150 W.
- Ne connectez pas l'onduleur au réseau de distribution électrique.
- Tenez l'onduleur éloigné des matériaux, gaz ou liquides inflammables.
- Assurez une ventilation adéquate autour de l’onduleur pour éviter toute surchauffe.
- Ne démontez pas et ne modifiez pas l'onduleur.
- Tenir hors de portée des enfants.
- Always disconnect the inverter from the vehicle's power socket when not in use.
3. Contenu du colis
The BESTEK MRI1511U 150W Power Inverter package includes:
- 1 x BESTEK 150W Power Inverter (Model: MRI1511U)
- 1 x Manuel d'utilisation (ce document)
4. Produit terminéview
The BESTEK MRI1511U is a compact and efficient power inverter designed for vehicle use. It features a cigarette lighter plug for direct connection to your car's 12V DC socket, providing both AC and USB power outputs.

Figure 4.1: The BESTEK MRI1511U 150W Power Inverter, showcasing its compact design and red/black casing.

Figure 4.2 : Gros plan view of the inverter's output side, featuring one 110V AC outlet and dual USB ports (2.1A and 1A) for simultaneous charging of smartphones and tablets.

Figure 4.3: The inverter's ultra-compact dimensions (L:143mm W:63mm T:40mm) are highlighted, emphasizing its portability and ease of storage.
5. Instructions de configuration
Follow these steps to set up your BESTEK 150W Power Inverter:
- Locate the 12V DC Power Socket: Identify the cigarette lighter socket in your vehicle. Ensure it is clean and free from debris.
- Insert the Inverter: Firmly insert the inverter's cigarette lighter plug into your vehicle's 12V DC power socket. Ensure a secure connection. The inverter is designed for direct plug-in without additional cables.
- Vérifier le voyant d'alimentation : Once plugged in, the power indicator light on the inverter should illuminate, indicating it is receiving power and ready for use.

Figure 5.1: The cigarette lighter adapter plug of the inverter, ready for insertion into a vehicle's 12V socket.

Figure 5.2: The inverter plugged into a car's 12V socket, demonstrating a secure and compact fit.
6. Mode d'emploi
Once the inverter is properly connected and powered on, you can begin using it to charge or power your devices:
- Brancher les appareils CA : Plug your 110V AC device (e.g., laptop charger, small fan) into the AC outlet on the inverter. Ensure the device's wattage ne dépasse pas 150W.
- Connectez des périphériques USB : Plug your USB-powered devices (e.g., smartphone, tablet, MP3 player) into the 2.1A or 1A USB charging ports. The inverter features intelligent identification for optimal charging.
- Chargement du moniteur : Observe your devices to confirm they are charging or receiving power. The inverter's internal cooling fan may activate during operation, especially under higher loads, which is normal.

Figure 6.1 : Examples of compatible devices including notebooks, smartphones, tablets, MP3 players, PSV, and cameras, illustrating the versatility of the inverter.

Figure 6.2: The inverter actively charging two smartphones via its dual USB ports, demonstrating the smart USB charging capability.
Official Product Video: 150W Power Inverter
Video 6.1: An official BESTEK video demonstrating the 150W Power Inverter in use, highlighting its features and ease of connection in a vehicle.
7. Entretien
To ensure the longevity and optimal performance of your BESTEK Power Inverter, follow these maintenance guidelines:
- Nettoyage: Essuyez régulièrement l'extérieur de l'onduleur avec un chiffon doux et sec. N'utilisez pas de nettoyants liquides ni de solvants.
- Ventilation: Ensure the cooling fan and ventilation openings are free from dust and obstructions. A small fan is integrated to prevent overheating.
- Stockage: Lorsqu'il n'est pas utilisé, rangez l'onduleur dans un endroit frais et sec, à l'abri de la lumière directe du soleil et des températures extrêmes.
- Points de connexion : Periodically check the cigarette lighter plug and output ports for any signs of wear or damage.
8. Dépannage
If you encounter issues with your BESTEK 150W Power Inverter, refer to the following common problems and solutions:
| Problème | Cause possible | Solution |
|---|---|---|
| Pas de voyant d'alimentation | Inverter not properly plugged in; Vehicle's 12V socket is not powered; Blown fuse in vehicle or inverter. | Ensure secure connection; Check vehicle's ignition/power; Consult vehicle manual for fuse location or contact support. |
| Appareils ne chargeant/ne s'alimentant pas | Appareil wattage exceeds 150W; Faulty cable; Inverter in protection mode (overload, overheat, low voltaget). | Reduce load; Try a different cable; Disconnect devices, restart vehicle, and reconnect inverter. |
| Inverter fan is loud | Normal operation under load; Blocked ventilation. | This is normal. Ensure vents are clear. If excessively loud without load, contact support. |

Figure 8.1: Diagram illustrating the inverter's intelligent protection circuit, which guards against overheating, overloading, short circuits, and voltage fluctuations.
9. Spécifications
| Fonctionnalité | Détail |
|---|---|
| Marque | MEILLEURE |
| Nom du modèle | MRI1511U |
| Utilisations recommandées | Véhicule |
| Source d'énergie | Prise d'alimentation CC pour véhicule |
| Quoitage | 150 watts |
| Vol d'entréetage | 12 volts (CC) |
| Volume de sortietage | 110 Volts (CA) |
| Puissance de sortie de crête | 360 watts |
| Forme d'onde de sortie électrique | Onde sinusoïdale pure |
| Nombre de prises | 1 x AC, 2 x USB |
| Sortie USB | 3.1A (2.1A & 1A) |
| Efficacité de conversion | 92% |
| Dimensions de l'article (L x l x H) | 5.7"L x 3.1"l x 2.2"H |
| Poids de l'article | 0.33 livres |
| Couleur | Rouge |
10. Garantie et assistance
BESTEK stands behind the quality of its products. The MRI1511U 150W Power Inverter comes with:
- Garantie: Garantie 18 mois.
- Service client: 7x24H customer service is available to assist you with any questions or issues.
For further assistance, please refer to the contact information provided on the product packaging or the official BESTEK website.





