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AIMS Power 300W Pure Sine Inverter - USB

SKU PWRI30012S
$98.00

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Pure Sine Wave Power for Sensitive Electronics — 300W Continuous With a Built-In USB Port

Clean, stable AC power for laptops, gaming devices, small electronics, and medical equipment — compact, lightweight, and ready to run from any 12V battery with the included cables.

The AIMS Power 300 Watt Pure Sine Wave Inverter with USB Port (PWRI30012S) converts 12V DC battery power into clean 120V AC — the kind of stable, distortion-free output that sensitive electronics like laptops, cameras, gaming devices, and medical equipment need to run reliably. A load-based fan only activates when the inverter senses a connected load, keeping operation quiet during light use. Compact and lightweight, it's built for work trucks, RVs, off-grid setups, and anywhere you need dependable mobile power from a 12V source.

Authorized AIMS Power Dealer Pure Sine Wave 2-Year Warranty Lifetime Tech Support Free Shipping

Key Features & Benefits

A compact, no-fuss inverter built for quick connections, clean power, and durability in mobile and marine environments.

Pure Sine

Clean Power for Sensitive Devices

Pure sine wave output with less than 3% total harmonic distortion closely matches utility power — ideal for laptops, cameras, medical equipment, and other electronics sensitive to lower-quality AC waveforms.

USB + Load Fan

Built-In USB Charging, Quiet Operation

A built-in 5V/1A USB port gives you a direct charging option alongside the AC outlet. The load-based fan only runs when the inverter senses a connected load, keeping the unit silent when idle.

Conformal Coated

Cables Included, Marine-Ready

The circuit board is conformal coated to resist moisture and corrosion — a practical advantage for marine and humid environments. A cigarette lighter plug and DC battery alligator clip cables are both included, so you're ready to connect right away.


Who the AIMS Power 300W Pure Sine Inverter Is For

  • Remote workers and travelers who need clean power for a laptop, monitor, or small electronics on the road from a vehicle's 12V system.
  • RV and van life users looking for a compact inverter to power small devices, chargers, and gaming equipment without a larger system.
  • Boat and marine operators who need a moisture-resistant inverter for onboard electronics in a damp environment.
  • Users with medical equipment that requires clean, stable pure sine wave power from a 12V battery for mobile or backup use.
  • Off-grid and backup power users who want a small, dependable pure sine inverter for essential low-wattage electronics during an outage.

What's Included

In the Box

  • AIMS Power PWRI30012S 300W Pure Sine Inverter (×1)
  • Cigarette lighter plug cable (×1)
  • DC battery alligator clip cables (×1 set)
  • Instruction Manual
Cigarette lighter note: A vehicle's cigarette lighter socket can handle up to 180 watts before risking damage to the vehicle's wiring. For loads above 180W (up to this inverter's 300W rating), connect directly to the battery using the included alligator clip cables instead.

AIMS Power PWRI30012S Specifications

Output

Continuous Output Power 300 Watts
Surge / Peak Power 600 Watts (for 40 milliseconds)
Output Voltage 120V AC
Output Voltage Regulation ± 3%
Output Waveform Pure Sine Wave (<3% THD)
Output Frequency 60 Hz ± 2 Hz
AC Output Socket Type Single Type 2 — 3-prong + USB Output
AC Amps 2.5A
USB Port Output 5V DC, max 1A
Full Load Efficiency 90%
1/3 Load Efficiency 95%

Input & Protection

DC Input Voltage Range 10–15V DC (nominal 12V)
DC Amps 25A
No-Load Power Consumption <0.7A DC
Battery Low Voltage Alarm 10.5V ± 0.5V
Battery Low Voltage Shutdown 10.0V ± 0.5V
High Input Voltage Protection 15V (shutdown)
Min Operating Temp (No Load) 50°F (10°C)
Max Operating Temp (Full Load) 145°F (63°C) — auto shutdown above this
Board Protection Conformal coated (moisture and corrosion resistant)

Dimensions & Weight

Unit Dimensions (D × W × H) 7.25 × 3.65 × 2.2 in (18.4 × 9.3 × 5.6 cm)
Unit Weight 1.5 lb (0.7 kg)
Shipping Weight 2 lb (0.9 kg)

Warranty & Buyer Assurance

  • 2-Year Manufacturer Warranty — Full coverage from date of purchase against manufacturer defects. Retain your receipt as proof of purchase for any warranty claim.
  • Lifetime U.S.-Based Tech Support — AIMS Power's own tech support team available at no charge for the life of the product.
  • Authorized Dealer — Purchased from TrueStead Supply, an authorized AIMS Power dealer. Your warranty is fully valid and supported.
  • Free Shipping — Ships free to the contiguous US.
  • Returns Policy — Review our returns and cancellations policy for full details.
  • Best Price Guarantee — Found it lower? We'll beat it.

Manuals & Documents


AIMS Power 300W Pure Sine Inverter — Frequently Asked Questions

What devices can I run with a 300W pure sine inverter?

At 300W continuous, this inverter is well suited for laptops, monitors, small TVs, phone and camera chargers, fans, LED lights, and similar low-to-mid draw electronics, including many types of medical equipment. The 600W surge capacity provides brief extra headroom for devices with a startup spike. Pure sine wave output with less than 3% distortion makes it a good match for sensitive electronics. Always check a device's running wattage before connecting it.

When should I use the cigarette lighter plug versus the alligator clip cables?

The cigarette lighter plug is the quickest option for loads up to 180 watts — the maximum a vehicle's cigarette lighter circuit can safely handle. For loads between 180W and this inverter's 300W rating, use the included alligator clip cables to connect directly to the battery terminals instead, bypassing the vehicle's accessory socket fuse limit.

Is this inverter suitable for use on a boat?

Yes — the circuit board on this model is conformal coated to protect against moisture and corrosion, making it a more durable choice for marine environments than a standard uncoated inverter. As with any electronics on a boat, install it in a location that minimizes direct exposure to spray and standing water.

What warranty and support come with this inverter?

This inverter is backed by a 2-year manufacturer warranty from date of purchase, plus lifetime U.S.-based technical support from AIMS Power. As an authorized AIMS Power dealer, TrueStead Supply ensures your warranty is valid from day one.