What the cigarette socket can really deliver
Six inverters that plug into a vehicle’s 12 V accessory socket and give 110 V AC plus USB. Ratings run from 150 W (FOVAL, PiSFAU) to 400 W (BESTEK, Pro Chaser). The figure that decides what they can actually do is not on any of them: most accessory sockets are fused at 15 or 20 A, which at 12 V is about 180 to 240 W before the inverter’s own losses. The 150 W units fit inside that; a 400 W rating needs a direct battery connection to be used in full. Beyond that, the choice is about ports and build: BESTEK’s 400 W has a 30 W USB-C PD port, PiSFAU’s 200 W has six outputs in an insulated shell, Pro Chaser a 30 in cord. BESTEK’s units are ETL certified. All six produce a modified sine wave, fine for laptop and phone chargers, less so for some CPAPs and audio gear. The FOVAL and PiSFAU 150 W share nearly identical model numbers. Prices were read on Amazon.com on November 2, 2026.
150 W modified sine wave car inverter, 300 W peak, one 110 V AC outlet and two USB ports (3.1 A total), aluminum shell, 3.2 × 2.5 × 1.5 in, 8 oz, 2-year warranty
A credit-card-sized 150 W car inverter with one AC outlet and two USB ports, rated within what a car socket can supply, for $16.99.
Best for: Laptops, string lights and small chargers in any car
≈ $17
150 W modified sine wave car inverter, 300 W peak, 110 V AC outlet and two USB ports, smart-chip and fuse protection with fault light, metal housing, 3.4 × 2.5 × 1.5 in, 8 oz
The cheapest car inverter here, $15.99: 150 W within a car socket’s limit, an AC outlet, two USB ports and a fault light, in a metal case.
Best for: A spare inverter for the glovebox
≈ $16
300 W modified sine wave car inverter, 700 W instantaneous, 11–17 V input (Tesla compatible), two 110 V AC outlets, two USB ports (4.8 A), 40 A fuse, aluminum housing, ETL certified, 14.4 oz
The best-selling car inverter here: 300 W from the cigarette socket, two AC outlets, two USB ports and ETL certification, at 14.4 oz and $26.99.
Best for: Charging laptops, cameras and phones on the road
≈ $27
200 W modified sine wave car inverter, two 110 V AC outlets and four USB ports (4.8 A, 24 W), fully insulated ABS shell, 2.7 × 1.4 × 5 in, 8.5 oz, 1-year warranty
A 200 W car inverter with two AC outlets and four USB ports in a fully insulated ABS shell, at 8.5 oz and $24.95, with 5,044 ratings.
Best for: Families charging several phones and a laptop at once
≈ $25
400 W modified sine wave car inverter, two 110 V AC outlets, USB-C PD 30 W and USB-A QC 3.0, 40 A fuse, ETL certified, iPhone-sized
A 400 W car inverter with a 30 W USB-C PD port and a QC 3.0 USB-A port beside two AC outlets, ETL certified, for $29.98.
Best for: Phones and laptops on the road, where USB-C fast charging matters more than the AC outlets
≈ $30
400 W modified sine wave car inverter, 800 W peak, two 110 V AC sockets and two 3.1 A USB ports (4.8 A total), 30 in cord, fan above 113 °F, 14.08 oz, 12-month warranty
A 400 W car inverter with an 800 W peak, two AC sockets, two USB ports and a 30 in cord, with a fan that starts at 113 °F, for $34.98.
Best for: Front-seat use where the inverter must reach the back seat
≈ $35
A 30 W USB-C PD port and ETL certification.
150 W, one AC outlet, two USB, aluminum shell.
Usually not. At 15 or 20 A, a socket supplies about 180 to 240 W at 12 V.
With the engine off, yes. Run high loads with the engine running.
Laptop and phone chargers generally accept it.
BESTEK says its 300 W model accepts 11–17 V for Tesla compatibility.
The vehicle’s socket fuse; BESTEK adds a 40 A fuse in the inverter.
FOVAL MT-MX 150W-3 and PiSFAU MT-MX150W appear to share a base design.
Match the inverter to the socket. FOVAL or PiSFAU 150 W for a standard socket, BESTEK for certification and USB-C, a sine-wave inverter wired to the battery for anything bigger.
A column is kept only if four units in five publish its figure. Otherwise it would compare cells left blank.
| Model | Price | Continuous output | Outputs | Protection | Weight |
|---|---|---|---|---|---|
| PiSFAU 150W Car Inverter (MT-MX150W) | $16 | 150 W | 110 V AC and 2 × USB | Smart chip and fuse; overheating, reverse connection, under/over voltage, overload, short circuit; red fault light | About 8 oz |
| FOVAL 150W Car Inverter (MT-MX 150W-3) | $17 | 150 W | 1 × 110 V AC, 2 × USB (3.1 A total) | Fuse; overheating, under/over-voltage, short circuit, overload | About 8 oz |
| PiSFAU 200W Car Inverter (MT-PC200) | $25 | 200 W | 2 × 110 V AC, 4 × USB (4.8 A, 24 W total) | Overheating, undervoltage, overvoltage, overload, short circuit | 8.5 oz |
| BESTEK 300W Car Inverter (MRI3011BU-4.8A) | $27 | 300 W | 2 × 110 V AC, 2 × USB (4.8 A) | Built-in 40 A fuse; overheating, under/over-voltage, short circuit | 14.4 oz |
| BESTEK 400W Car Inverter (MRI4011CU-PD30) | $30 | 400 W | 2 × 110 V AC, USB-C PD 30 W, USB-A QC 3.0 | Built-in 40 A fuse; overheating, over/undervoltage, short circuit | — |
| Pro Chaser 400W Car Inverter (PCIV400-SRD) | $35 | 400 W | 2 × 110 V AC, 2 × USB 3.1 A (4.8 A total) | Overload, voltage faults, overheating | 14.08 oz |
$16 – $17
2 models
PiSFAU 150W Car Inverter (MT-MX150W), FOVAL 150W Car Inverter (MT-MX 150W-3)
$25 – $27
2 models
PiSFAU 200W Car Inverter (MT-PC200), BESTEK 300W Car Inverter (MRI3011BU-4.8A)
$30 – $35
2 models
BESTEK 400W Car Inverter (MRI4011CU-PD30), Pro Chaser 400W Car Inverter (PCIV400-SRD)
Specifications: manufacturer sheets for portable power gear and the matching Amazon product pages. Prices and availability: Keepa. Every figure in this table names its source.
Most recent revision in this category: November 2, 2026.
A price quoted in the text of a PowerVerdict page dates from the day that page was written; the live figure beside each product is fetched while you read and replaces it.
