# BESTEK MRI3011BU-PD30W 300W Car Power Inverter

The BESTEK MRI3011BU-PD30W is a car power inverter rated for 300 watts of continuous output, with USB-C and USB-A fast-charging ports. Its vehicle-socket input and modified sine wave output suit buyers seeking AC power for compatible small electronics on the road, but check device wattage and waveform requirements before use.

- [Original product page](https://best-deals.pro/product/bestek-mri3011bu-pd30w-300w-car-power-inverter)
- [View offer](https://best-deals.pro/visit/bestek-mri3011bu-pd30w-300w-car-power-inverter)
- Market: US
- Language: en-US
- Currency: USD
- Brand: BESTEK
- Model: MRI3011BU-PD30W
- Category: Cars & Motorcycles > Vehicle Accessories
- Price: 26.99 USD
- Previous price: 36.99 USD
- Discount: 27%
- Price checked: 2026-11-12T10:11:50.784Z
- Rating: 4.5 / 5
- Reviews: 3383

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Listing claims 300W continuous output and 700W peak surge power.
- Provides USB-C PD 30W and USB-A QC 18W charging, alongside AC output.
- Manufacturer describes a compact housing measuring 4.2 by 1.8 by 3.1 inches.
- The listing says its input range is 11-17V and mentions Tesla 16V compatibility.

## Pros

- USB-C PD 30W and USB-A QC 18W offer two charging options for compatible devices.
- A stated 300W continuous rating supports modest AC loads within the device and vehicle limits.
- Compact listed dimensions make it easier to store in a vehicle than a larger inverter.

## Cons

- Modified sine wave output may not suit devices that require a pure sine wave source.
- The 300W continuous rating limits use with higher-draw appliances and equipment.

## Specifications

### Identity
- Brand: BESTEK
- Model: MRI3011BU-PD30W
- Color: Red
### Power and output
- Power configuration: Vehicle DC Power Socket
- Continuous output: 300 watts
- Peak output: 700
- AC output voltage: 110 volts
- Output waveform: Modified Sine Wave
- Frequency: 60 hertz
### Size and compliance
- Dimensions: 4.2"L x 1.8"W x 3.1"H
- Energy specifications met: UL

## Before you buy

- The title and specifications describe a 12V vehicle socket inverter, while another listing claim gives an 11-17V input range and mentions Tesla 16V compatibility. Confirm your vehicle's socket and inverter input requirements before purchase. The package list names an inverter, cigarette-lighter lead and manual, while a feature bullet describes the cigarette lighter as attached to the inverter. Confirm the selected listing's package details. The input-voltage field is malformed, so use the stated input range only as a manufacturer claim, not as a reconciled specification.

## A good fit for

- Drivers seeking USB charging plus 110V AC for compatible small electronics.
- Road-trip or camping users whose devices stay within the inverter's continuous output and accept modified sine wave power.

## Less suited to

- Users needing more than 300W continuous AC output.
- Owners of equipment that requires pure sine wave power, unless the device manufacturer confirms modified sine wave compatibility.

## Customer feedback

Customer feedback reports positive impressions of construction, functionality, USB ports and value, while experiences with noise, power adequacy and durability are mixed. Those concerns matter if the inverter will run near people, supply a demanding device, or be relied on for extended use. The listing's 300W continuous rating and modified sine wave output are specifications, not evidence that every device will be adequately or quietly powered.
- Positive themes: Customers report favorable impressions of build quality and functionality.
- Positive themes: Customers appreciate the USB charging ports and value.
- Mixed feedback: Feedback is mixed on noise, with some describing quiet operation and others reporting noisy fans.
- Mixed feedback: Reports vary on whether power output is adequate for intended devices.
- Mixed feedback: Durability experiences differ, including reports of units stopping after one use.

## Frequently asked questions

### How much continuous power does this inverter provide?
The listing claims 300 watts continuous output and 700 watts peak surge power. Check the operating wattage of each device and stay within the continuous rating.
### What USB charging ports are listed?
The feature description identifies USB-C PD 30W and USB-A QC 18W outputs.
### Is the AC output pure sine wave?
No. The listing identifies it as Modified Sine Wave. Confirm that any intended device accepts this waveform.
### What is included?
The explicit feature list says one inverter with cigarette-lighter connection and one manual, and notes that clamps are not included. The listing's package wording is inconsistent about whether the lighter lead is attached or separate, so confirm the selected package.

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## Images

![BESTEK MRI3011BU-PD30W 300W Car Power Inverter — 1](https://best-deals.pro/i/gtitC5LplyYn9_2Z2J9KKXmc88JY6PvYbQR_rWSOpd1iVH80unxv1o5kVe06CwFs5_u8dSA5fj75J7fg62KbBlYi7gTrM7_0ijKL9RFipj0KdrK-F5pynpR9.jpg)

![BESTEK MRI3011BU-PD30W 300W Car Power Inverter — 2](https://best-deals.pro/i/y7rA6ja-6MgSZ2OZKHoB-uopJnDvUw06HHZuxxv2aatnbiVKG1i4cT0BO4WEoWwL46fmqzRNx7NQKg-FnLfjWA0VyFHDxLKYaGX6h4uj62nQyxZJa_i5PGwY.jpg)

![BESTEK MRI3011BU-PD30W 300W Car Power Inverter — 3](https://best-deals.pro/i/MtUYc5CkLCVt4e2cuZUWwGycwtRovllbEHZnLZCvRX2jyLdZcWHyQtQX1VZrH759PZK_bDWxnraTL2cDaYfy07tzwT1ZsZh9V_XCJbQvDo1dMZ_kraIAYiem.jpg)

![BESTEK MRI3011BU-PD30W 300W Car Power Inverter — 4](https://best-deals.pro/i/iKPkrRk_85Tbpa6KTR_u_o0NjjpM-e5AqlKUBM-U9YJCNhQhTosNjeP9-XGKsL4FPxbeDk_tPH77OZUT4NnFhMV_hanolq-Ep-Ncf5dT3v5Esruwlcm0hUsN.jpg)

![BESTEK MRI3011BU-PD30W 300W Car Power Inverter — 5](https://best-deals.pro/i/QAvf6PprHZrjzBnEXY8e2bvsk4nDVRQBTRIenFvSzv9_l3ttxSWgdCPgK4-SvP0xtHUONB0wFhqDJnY9E4SOhpUIjpvqIuQqHo_-6-AsJFDWQxOulpnrM8Oy.jpg)

![BESTEK MRI3011BU-PD30W 300W Car Power Inverter — 6](https://best-deals.pro/i/jl8wyfhoxdB3OXs2F5zJeZYlSuystscmO_A16dZciJhY8TxMkrvqfqaAffiCwKB0xzqApHc6QDWmHd0qUBVy4HjQEcBP2OPqR3-QkN6I_gKCS4l9uF2tHTPo.jpg)

![BESTEK MRI3011BU-PD30W 300W Car Power Inverter — 7](https://best-deals.pro/i/BHzl7Vewa_X1Hzz6COykiQNGQ9lruWFaepDV263T5VYGhqeEo3JWVreFtiG_hGCble52K7MJWYWXzuYMM9-WcXGyYT6Qvs411KZ6QSL1RZpzgZUtC6qmJYyo.jpg)