Memorial Day SaleEnds 5/26. Limited quantities. No rainchecks.Shop now

Skip to content
Main Content

About This Item

Power your portable devices on the road with this 300W Mobile Power Inverter by Stinger. The SPI300 allows you to charge up to two devices simultaneously and provides up to 300W of nominal power (600W surge) for larger electronics. This fully portable unit also features a cooling fan for temperature regulation and short circuit protection to protect your devices.
  • General
    • Brand: Stinger
    • Model Number: SPI300
    • Product Name: 300W Mobile Power Inverter
    • Color: Silver
  • Power
    • Voltage: 115 volts (Amount of power needed to support an electrical current.)
    • Integrated Surge Protection: true
    • Integrated Overload Protection: true
    • Continuous Power: 300 watts
    • Peak Power Handling: 600 watts (The maximum amount of power an electronic device, like a speaker, can handle without damage. This refers to short bursts of power, while root mean square (RMS) power handling indicates the amount of continuous power a device can sustain. Higher levels of distortion can also occur at peak power levels when the device is powered beyond its recommended usage.)
  • Features
    • Number Of Devices Charged Simultaneously: 2
    • Remote On/Off Capable: false
  • Certifications Listings & Approvals
    • ENERGY STAR Certified: false (Devices carrying the ENERGY STAR service mark, such as computer products and peripherals, kitchen appliances, and other products, generally use 20% to 30% less energy than required by federal standards.)
  • Connectivity
    • USB Port(s): false
    • Dual AC Outlets: true
  • Dimensions
    • Product Height: 1.77 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
    • Product Width: 4.13 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Length: 5.91 inches (The out of box length of the item. Length is measured as the longest dimension of the item.)
    • Product Weight: 1.76 pounds (The out of box weight of the item.)
  • Warranty
    • Warranty - Parts: Limited Lifetime
    • Warranty - Labor: None
  • Other
    • UPC: 609098091596

Power your portable devices on the road with this 300W Mobile Power Inverter by Stinger. The SPI300 allows you to charge up to two devices simultaneously and provides up to 300W of nominal power (600W surge) for larger electronics. This fully portable unit also features a cooling fan for temperature regulation and short circuit protection to protect your devices.

  • Designed for use with most AC powered electronic equipment: Including electric tools, computers, fax machines, portable TVs, motors, and more.*
  • Handles up to 300W continuous (600W peak power): Provides reliable power for your electronics on the go.
  • Two outlets: Allow you to power multiple devices at the same time.
  • High surge output: For large devices.
  • Built-in overload and short circuit protection: Ensures safe operation.
  • Audible low voltage alarm and auto shutdown: For long-lasting use.
  • Temperature regulated cooling fan: Keeps the inverter from overheating.
  • Compact size: For convenience when traveling.
  • Limited lifetime warranty: To protect you against defects in materials and workmanship.
Whats Included
  • Stinger 300W Mobile Power Inverter
  • User manual

Q: What is the continuous power output of this inverter?

A: The continuous power output of this Stinger inverter is 300 watts.

Q: What kind of protection does this Stinger inverter offer?

A: This inverter features overload and short circuit protection for safe operation.

Q: Does this power inverter have a cooling fan?

A: Yes, this inverter has a temperature regulated cooling fan to prevent overheating.

Q: Does this inverter have a low voltage alarm?

A: Yes, this inverter has an audible low voltage alarm and auto shutdown feature.

Q: How many devices can be charged simultaneously using this inverter?

A: This Stinger power inverter allows you to charge up to two devices at the same time.

Q: Is the AC output a true sine wave?

A: This unit is a modified sine wave type inverter.

Q: I'm getting a high pitched squirrel when I go to plug this into my cigarette lighter now I'm reading that it says something about the cables or something to the battery I tried not just my car my sister's car my dad's car my brother's car my neighbor's ca

A: It would be better if you called in so we can help you troubleshoot this issue. There are too many variables to diagnose via chat or email. The number is 727-592-5991 and we are open from 9AM-8PM EST M-F and SAT 10AM-5PM EST.

Stinger - 300W Mobile Power Inverter - Silver

Model: SPI300
SKU: 5450883
$68.99
Save $90.99
Comp. Value: $90.99
Geek Squad Replacement
Warranty Protection Plans
Items are covered under Best Buy's Return & Exchange Promise

Reviews

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products or points for an honest, helpful review.

Sponsored

Compare similar products

Stinger - 300W Mobile Power Inverter - Silver
Stinger - 300W Mobile Power Inverter - Silver
5.0(7)

$68.99

Power your portable devices on the road with this 300W Mobile Power Inverter by Stinger. The SPI300 allows you to charge up to two devices simultaneously and provides up to 300W of nominal power (600W surge) for larger electronics. This fully portable unit also features a cooling fan for temperature regulation and short circuit protection to protect your devices.

Cobra - POWER 500 Watt Power Inverter with Fast Charge USB - Black

$59.99

The POWER 500W Multipurpose Power Inverter with Fast Charge USB is perfect for travelers, campers, tailgaters, and RV enthusiasts who want to charge and power their smartphones, laptops, entertainment devices, and small appliances.

CyberPower - M175XUC 175 W Power Inverter - Black

$37.99

The CyberPower M175XUC 175 Watt Power Inverter converts power from your vehicle's 12V DC power outlet into household AC power. The M175XUC can simultaneously power two devices through its two standard AC outlets, and charge up to two devices with its one, 2.4 amp USB-A port, and one 15 watt USB-C port. The M175XUC features a 2.5 ft power cord, a 15 amp, fuse for overcurrent protection, and automatic power shutdown that will prevent your automotive battery from excessive power drain. The CyberPower M175XUC's AC output is rated at 150 watts continuous power, and up to 175 watts of peak power for operation of small electronics that draw a low amount of power.

CyberPower - 175W Power Inverter - Black

$54.99

Prepare for your next trip with this 175W CyberPower inverter. It converts your vehicle’s 12V output into power for up to three devices, including two household outlets and one USB port, so you can charge laptops, tablets and smartphones on the go. This slim CyberPower inverter has a 15-amp fuse and surge protection for added safety.

Pros for Stinger - 300W Mobile Power Inverter - Silver
Easy to use, Msi laptop, Better than all in one, Durability, Solid buildLaptop, Reliable, Camping, PriceEasy to use, Works well, Compact, Charge laptop, Power sourceLaptop, Compact, Works well, Charging, Quiet
Cons for Stinger - 300W Mobile Power Inverter - Silver
Noise, GeneratorPower, Durability, Short cord, Not working, Burning smellDurability, Noise, Constantly turns off and on, Heated, IncompatiblePower, Durability, Overheating, Price, Stopped working

Specs

Compare Additional Products
No content
No content
Sponsored

Similar products from outside of Best Buy

sponsored