Can this unit support metrovac vacuum 120v - 60hz - 11.25amp?

No, absolutely not. 120 volts at 11.25 amps is 1,350 watts, that's only 1,050 watts more than the 300 watts this unit is rated for.

how many amps can this handle safely for long periods of time? ( to anyone who knows or the seller) thank you!

Rule of thumb for constant use and keeping things safe with as long as possible lifespan is about 66% of what it's designed for. This gives headroom to the voltage rails and tolerances. When electric components are used at their full capacity they heat up. So run at lower ratings to keep things cool without the fan having to overwork itself (which is just another potential failure point). So for something rated at 300W I would try to keep continuous wattage at 200W. You're always going to have peaks and spikes, voltage drops and resistance, etc that will eat up the head room regardless so keeping continuous wattage usage lower at around 66% is ideal for pretty much all power supply needs including power amplifiers. So whatever it is that you need to run constantly, take the continuous wattage and multiply it x1.5 and look for an inverter that has that continuous wattage rating to keep things longterm safe.

Does it automatically shut off if the battery drops bellow a voltage?

The reason I am here today looking at reviews and deciding on a new inverter is because mine has stopped working after the battery dropped. I connected it to a different battery and it works for a couple of minutes and then 120V drops for a few seconds, in a repeating cycle. So my unit has failed after battery voltage ran out.

What is the length of the cord that plugs into the lighter outlet?

Did the unit come WITH the cord, or do you have to purchase that separately?

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BESTEK Pure Sine Wave Power Inverter, 300W DC 12-17V to 110V AC Car Adapter | Vehicle Plug in Cigarette Lighter Outlet Solar Inverter, 4.8A Dual USB Fast Charging Ports for Phone, Laptop, CPAP(Black)

Product ID: 101904645

Details

Brand
BESTEK
Model Name
MRZ3011HU
Power Source
DC Powered
Recommended Uses For Product
Vehicle
Wattage
300 watts

⚡300W continuous pure sine wave power

🔌2 AC outlets + 2 USB fast charge ports (4.8A max)

❄️Smart fan & vents for superior heat dissipation

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Description

🔋 Power your adventure with clean, fast, and safe energy—never miss a beat on the go!

PURE SINE WAVE POWER - Delivers clean, stable 300W AC power—perfect for sensitive devices like laptops & CPAP machines.
DUAL USB FAST CHARGING - Smart USB ports auto-detect your device for max 2.4A per port, charging phones & tablets simultaneously at lightning speed.
COMPACT PLUG AND PLAY - Lightweight 1.4 lb design with easy cigarette lighter plug—power up anywhere, anytime without hassle.
COMPREHENSIVE SAFETY SUITE - Built-in 40A fuse plus protection against overheating, over/under voltage, short circuits & overloads keeps you worry-free on the road.
TESLA COMPATIBLE VOLTAGE RANGE - Upgraded 11-17V input supports Tesla & new energy vehicles—future-proof your power needs.

The BESTEK 300W Pure Sine Wave Power Inverter converts 12-17V DC to 110V AC with 2 AC outlets and 2 smart USB ports delivering up to 4.8A total. Compatible with Tesla and other EVs, it features advanced cooling, a 40A fuse, and multiple safety protections, making it ideal for charging sensitive electronics like laptops, CPAP machines, and mobile devices while traveling.

Specifications

ASIN	B07KQ4Q2L5
Antenna Location	Vehicle
Best Sellers Rank	#3,845 in Automotive ( See Top 100 in Automotive ) #11 in Power Inverters
Brand	BESTEK
Built-In Media	300W Power Inverter User Manual
Color	Black
Customer Reviews	4.5 4.5 out of 5 stars (5,651)
Electrical Output Waveform	Pure Sine Wave
Energy Specifications Met	ETL, RoHS, FCC
Frequency	60 hertz
Input Voltage	12 volts
Inverter Capacity Volt-Amp	462
Item Dimensions L x W x H	8.1"L x 5.3"W x 2.6"H
Item Weight	1.4 pounds
Manufacturer	BESTEK
Mfr Part Number	MRZ3011HU
Model Name	MRZ3011HU
Model Number	MRZ3011HU
Number of Outlets	4
Output Power	300 watts
Output Voltage	120 volts
Peak Output Power Watts	700
Power Source	DC Powered
Standby Power Shutoff	High
Unit Count	1 Count
Voltage	12 volts
Wattage	300 watts

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83146CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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