SKU: 86502332287

350W 4-Port Pure Sine Wave Inverter, DC 18V to 220V-230V AC Power, Compatible with Makita 18V Batteries (Battery Not Included) | Portable Outdoor P

Sale price$154.75 Regular price$171.94
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Ships within 48 hours · Estimated delivery Sep 27 - Oct 2

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Description

350W 4-Port Pure Sine Wave Inverter, DC 18V to 220V-230V AC Power, Compatible with Makita 18V Batteries (Battery Not Included) | Portable Outdoor PPure Sine Wave & Wide CompatibilityExclusively compatible with Makita LXT 18V batteries such as BL1830 BL1850 BL1860 BL1840 etc (sold separately), converts DC power to 350W pure sine wave AC output (220V 230V), ideal for laptops, medical devices, small appliances, camping gear, tools and more. Multi functional Charging Interface: Equipped with DC12V 5A, 3 USB A ports (5V 2. 1A) and 1 USB C PD 3. 0 port (18W) to quickly charge phones, tablets and other

  • 【Pure Sine Wave & Wide Compatibility】Exclusively compatible with Makita LXT 18V batteries such as BL1830 BL1850 BL1860 BL1840 etc (sold separately), converts DC power to 350W pure sine wave AC output (220V-230V), ideal for laptops, medical devices, small appliances, camping gear, tools and more.
  • Multi-functional Charging Interface: Equipped with DC12V 5A, 3 USB-A ports (5V/2.1A) and 1 USB-C PD 3.0 port (18W) to quickly charge phones, tablets and other electronic devices.
  • Compact LED Light: Built-in LED display monitors voltage, wattage, equipped with one 300 lumens LED light that supports 4 brightness levels (low, medium, strong flashing light modes)
  • 【Multi-Device Compatibility & Extended Runtime】Supports 4x MK LXT 18V batteries (sold separately) for extended use. Powers drills, mini-fridges, LED lights, and more—ideal for outdoor use, emergency situations, RVs, and DIY projects.
  • Enhanced Cooling System and Safety Protection: Built-in smart temperature-controlled fan ensures efficient heat dissipation, extending the device's lifespan and preventing overheating during prolonged use. Protects against low voltage (<15.5V), overvoltage (>21V), overpower (>350W), and short circuit, automatically reducing power to protect your devices and battery.

Power with precision and safety.
The inverter is designed to safely power your devices anywhere. Converts DC 18V battery power (sold separately) into stable 220V-230V AC electricity, supported by intelligent safety systems for worry-free use.
Low-voltage protection: Stops operation if the battery voltage drops below 15.5V to prevent damage.
Over-voltage protection: Reduces output if the input exceeds 21V, protecting connected devices.
Over-current protection: Automatically shuts down when the load exceeds 350W - always check the device's ratings.
Short-circuit protection: Immediately shuts down the AC output if a fault is detected.
Over-temperature protection: Built-in fan activates to cool the device during prolonged use.
Pure Sine Wave technology: Safely powers sensitive electronics (e.g., CPAP machines, LED lights) without harmonic distortion.

Usage tips:
This is just an inverter, not a charger, and cannot charge the battery. You need to purchase the charger separately
Maximum load: 350W. If you exceed this limit, it will automatically shut down.
Remove the batteries if you store the inverter unused for a long time.
Read the user manual carefully before use.

Ideal for:
Outdoor adventures: Power mini-fridges, lights, or medical devices off-grid.
Job sites: Run drills, chargers, or small tools in remote locations.
Emergency backup: Keep essentials running during blackouts.

Package
1X JANRI 350W 4 PORT inverter
1X USER MANUAL Instruction

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 86502332287

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4.5 ★★★★★
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Nick
Los Angeles, US
★★★★★ 5
Good inexpensive sound deadening
Model: 36 Sqft
This stuff works great, it's easy to apply, sticky, easy to cut. 36 ft.² was enough to do the inside and outside of my doors the roof, the wheel wells and rear fenders. Plus, it's a lot cheaper than others.
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Reviewed in the United States on February 8, 2026
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Saif addeen hakouz
Charlottesville, US
★★★★★ 5
Very good quality
Model: 36 Sqft
Very good quality, noticeable difference after installation. The sound deadening effect is clear, with a great reduction in road noise and vibrations. Installation was quick and easy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
M
Verified Purchase
Mike mcmillion
Draper, US
★★★★★ 5
just as good as twice price ones
Model: 36 Sqft
super sticky and work phenomenal just as good as name brand ones.just get these and save money for emblem stamps
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Reviewed in the United States on February 18, 2026
H
Verified Purchase
Homer Simpson
Massapequa, US
★★★★★ 4
Good quality
Model: 36 Sqft
Got it to deaden noisy furnace. Thin galvanized metal sheet feels sturdier and not flexing when blow fan started and stopped. Heavy duty and feel like real butyl material.
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Reviewed in the United States on May 3, 2026
B
Verified Purchase
Bradley
New York, US
★★★★★ 5
Excellent product high quality.
Size: 36 sqft, Size: 36 sqft
This stuff definitely suprised how easy it was to work with. Not to mention it sticks very well. Don't put it on anything you may need to get back into. It will take the paint off of a service area. I have a 2018 dodge durango. I just had a aftermarket audio sytem installed. It was rattling so bad it was driving me crazy. I seen this stuff and decided to give it a try. Its a night and day difference no moore rattling. I box will be enough to do my back gate and all front and rear doors also. For the price you honestly can not beat it. If your on the fence about trying it don't be. You definitely won't regret getting it. Its worth every penny. You don't realize how much something rattling in your vehicle robs you of spund quality. Glad I made the decision. Now off to the other 4 doors. ,and then the roof. One of the things I really like was the fact it has multiple line to help you make even better cuts. Definitely will buy a gen.
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Reviewed in the United States on February 28, 2026

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