1. پیژندنه
The BESTEK 300W Modified Sine Wave Car Inverter is designed to convert your vehicle's DC 12V power into household AC 100V power. This device allows you to power a wide range of electronic appliances and charge mobile devices while on the go. It features advanced Power Conversion Quick Charge (PowerCQC) technology, including USB-C PD 30W and USB-A QC 18W ports for rapid charging.
This inverter is suitable for various applications, from powering laptops and small appliances during car trips to serving as an emergency power source during outages.
2. د خوندیتوب احتیاطي تدابیر
مهرباني وکړئ د کارولو دمخه د خوندیتوب ټولې لارښوونې په دقت سره ولولئ ترڅو محصول ته زیان یا زیان ونه رسیږي.
- This product is designed exclusively for DC 12V negative ground vehicles. Do not use it with 24V systems.
- Do not connect any appliance that exceeds the inverter's rated power of 300W.
- If using appliances with a total power consumption exceeding 150W, you must use a separate battery connection cable (Model MRS301A, sold separately) for direct connection to the car battery.
- When connecting the battery clips, ensure correct polarity: connect the red clip to the positive (+) terminal and the black clip to the negative (-) terminal of the car battery. Incorrect connection can cause severe damage.
- Do not operate the vehicle while the inverter is connected directly to the car battery using battery clips.
- انورټر د اوبو، رطوبت او اور اخیستونکو موادو څخه لرې وساتئ.
- د انورټر د کار پرمهال د ډیر تودوخې مخنیوي لپاره د انورټر شاوخوا مناسب هوا ورکول ډاډمن کړئ.
- Do not disassemble or modify the inverter. Contact customer support for service.
Integrated Protection Features:
The BESTEK 300W Car Inverter is equipped with six levels of protection to ensure safe operation:
- د اوورلوډ محافظت: Automatically shuts down if connected devices exceed the rated power.
- د لنډ سرکټ ساتنه: Protects against short circuits in the output.
- د ډیر تودوخې ساتنه: Shuts down if the internal temperature exceeds 85°C.
- ټیټ والیومtage ساتنه: Prevents damage to your car battery by shutting down if the input voltagد 10V څخه ښکته ښکته کیږي.
- اوورولtage ساتنه: Shuts down if the input voltagد 15V څخه ډیر
- د ریورس پیوستون ساتنه: Protects against damage from incorrect battery polarity connection.
3. د محصول ب Featuresې
- د پاور سي کیو سي ټیکنالوژي: Equipped with Power Conversion Quick Charge technology, featuring one USB-C PD 30W port and one USB-A QC 18W port for fast charging of compatible devices.
- د څو اړخیز بریښنا سرچینه: Converts DC 12V from your car to AC 100V, allowing you to power household appliances and charge various electronic devices like laptops, smartphones, tablets, and more.
- بیړني چمتووالی: Ideal as a backup power source during natural disasters such as earthquakes or typhoons, providing essential power for communication and lighting.
- دوامداره او خوندي ډیزاین: Features a heat-dissipating aluminum alloy casing and V0 flame-retardant materials for enhanced safety and durability.
- د یخولو موثر سیسټم: Incorporates an intelligent smart fan that adjusts its speed based on power consumption, ensuring optimal heat dissipation and quiet operation.
- کمپیکٹ او پورټ ایبل: Designed with a compact form factor for easy placement and use within your vehicle.
4. د بسته محتويات
- BESTEK 300W Modified Sine Wave Car Inverter (MRI3010BU-GR-PD30W)
- د لارښوونې لارښود
5. ترتیب او نصب کول
5.1. Connecting via Cigarette Lighter Socket (Up to 150W)
For devices with a total power consumption of 150W or less, use the integrated cigarette lighter plug.
- ډاډ ترلاسه کړئ چې د انورټر بریښنا سویچ په بند حالت کې دی.
- Insert the cigarette lighter plug firmly into your vehicle's 12V cigarette lighter socket.
- Plug your AC or USB devices into the inverter.
- Turn the inverter's power switch to the ON position. The power indicator light will illuminate.

Image: Cigarette lighter plug for connecting the inverter to the vehicle's 12V socket.

Image: BESTEK 300W Car Inverter providing power for a laptop and smartphone in a car.
Video: Demonstrating power connection methods via cigarette lighter socket and direct battery connection.
5.2. Connecting via Battery Clips (Up to 300W)
For devices with a total power consumption exceeding 150W (up to 300W), use the optional battery connection cable (MRS301A, sold separately).
- ډاډ ترلاسه کړئ چې د انورټر بریښنا سویچ په بند حالت کې دی.
- Connect the red battery clip to the positive (+) terminal of your car battery.
- Connect the black battery clip to the negative (-) terminal of your car battery.
- Connect the other end of the battery cable to the inverter's DC input terminals.
- Plug your AC or USB devices into the inverter.
- Turn the inverter's power switch to the ON position. The power indicator light will illuminate.

Image: Optional battery connection clips for direct battery connection.

Image: Battery clips connected to a car battery for higher power output.
6. عملیات
Once the inverter is properly connected and powered on, you can begin using it to power and charge your devices.
- د AC وسایل: Plug your AC-powered devices (e.g., laptop chargers, small fans) into the two AC 100V outlets.
- د USB وسایل: Connect your USB-powered devices (e.g., smartphones, tablets, gaming consoles) to the USB-C PD 30W port or the USB-A QC 18W port.
- د بریښنا شاخص: ځواک lamp on the inverter will indicate its operational status.

Image: BESTEK 300W Car Inverter powering multiple devices simultaneously.
Video: Demonstrating the BESTEK 300W Car Inverter charging various devices like smartphones, tablets, and laptops in a car.
7. ساتنه
To ensure the longevity and optimal performance of your BESTEK Car Inverter, follow these maintenance guidelines:
- پاکول: Regularly wipe the exterior of the inverter with a dry, soft cloth. Do not use liquid cleaners or solvents.
- وینټیلیشن: Keep the ventilation openings clear of dust and debris to ensure proper airflow for the smart fan.
- ذخیره کول: کله چې په کارولو کې نه وي، انورټر په یخ او وچ ځای کې وساتئ، د مستقیم لمر وړانګو او سختې تودوخې څخه لرې.
- د کیبل معاینه: Periodically check the power cables and plugs for any signs of damage or wear. Replace if necessary.
8. ستونزه حل کول
If you encounter issues with your BESTEK Car Inverter, refer to the following common problems and solutions:
- د بریښنا تولید نشته:
- Check if the inverter's power switch is ON.
- Ensure the cigarette lighter plug or battery clips are securely connected.
- Verify that your vehicle's 12V power outlet is functioning.
- Check if the connected device's power consumption exceeds the inverter's capacity (150W for cigarette lighter, 300W for battery clips).
- The inverter may have entered a protection mode (e.g., low voltage, overload). Disconnect devices, turn the inverter off and on again, and re-evaluate the load.
- Inverter Shuts Down Automatically:
- This indicates one of the built-in protection features has been activated (overload, overheat, low/over voltage, short circuit, reverse connection).
- Review the Safety Precautions section and address the potential cause. Reduce the load, ensure proper ventilation, or check battery voltage.
- د فین شور:
- The intelligent smart fan adjusts its speed based on the internal temperature and power load. Increased fan noise during high power usage is normal and indicates effective cooling.
- Device Not Charging via USB:
- Ensure your USB cable is functional and properly connected.
- Verify your device is compatible with PD (Power Delivery) or QC (Quick Charge) for fast charging.
If the problem persists after following these steps, please contact BESTEK customer support.
9. مشخصات

Image: Diagram illustrating power supply methods and power output.
| فیچر | مشخصات |
|---|---|
| د ماډل شمیره | MRI3010BU-GR-PD30W |
| ابعاد (L x W x H) | 12 cm x 7.8 cm x 4.6 cm |
| وزن (مرکزي واحد) | نږدې 430 ګرامه |
| د بدن مواد | المونیم |
| Cigarette Lighter Cable Length | نږدې 70 سانتي متره |
| ننوتۍ جلدtage | DC 12V |
| د محصول Voltage | AC 100V |
| د تولید فریکونسی | 55 Hz (compatible with 50Hz/60Hz devices) |
| د تولید څپې بڼه | تعدیل شوی سین څپې |
| د اندازې وتلې بریښنا | 300W |
| د لوړ تولید ځواک | 350W |
| د تبادلې موثریت | >85% |
| د AC سایټونه | 2 |
| د USB-C PD پورټ | 1 (30W) |
| USB-A QC پورټ | 1 (18W) |
| اصل | چین |
10. تضمین او ملاتړ
This BESTEK product comes with a 1 کلن تضمین from the date of purchase. If you encounter any quality issues or require assistance, please contact BESTEK customer support. As a Japanese company, BESTEK provides dedicated customer support.
For further information or support, please visit the official BESTEK webسایټ یا زموږ د پیرودونکي خدماتو ټیم سره اړیکه ونیسئ.