DEWALT 140W Car Power Inverter | DC 12V To AC 110V – 120V Power Outlet With Dual 3.1A USB Ports

SKU: DE-140-U
In Stock

$58.00

  • Type : Modified Sine Wave Inverter
  • Output Voltage Waveform : Modified Sine Wave
  • Input Voltage : 12V
  • Output Voltage : 110V – 120V
  • Power : 140W
  • Warranty : 2 Years Manufacture Warranty
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Estimated delivery dates: Jul 29th - Aug 12th

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Description

140W Power Inverter

Introducing Dewalt 140W Car Power Inverter

Product Details

Specifications

  • Type : Modified sine wave inverter
  • Output voltage waveform : Modified sine wave
  • Input voltage : 12V
  • Output voltage : 110V – 120V
  • Continuous power : 140W
  • Socket : US (only compatible with US plugs)
  • USB support : Yes, dual ports 3.1A
  • Warranty : 2 years manufacture warranty
  • Free technical support

Protections

  • Low voltage alarm :
    • 12V model = 10V ± 0.5V
  • Low voltage shut down :
    • 12V model = 9.5V ± 0.5V
  • Over voltage shut down :
    • 12V model = 15.5V
  • Overload : Shut off output automatically
  • Over temperature : Shut off output automatically
  • Short circuit : Fuses
  • Reverse polarity : Fuses
High And Low Voltage Protection
  • An inverter with a 12v input, if voltage is lower than 10.5v or higher than 15v. will automatically disconnect the power supply for protection.

When using 12v to connect the cigarette lighter wire in the car,

  • please do not exceed 300w (12v vehicle). Whenever the values exceed the limits. please connect with the battery output. Otherwise, the car fuse will blow.

Dimensions

  • Size (mm) : 110mm * 65mm * 40mm

Package included

  • Car power inverter with mounting brackets

If You Run An Inverter With A Heavy Load Or Inductive Load, Please Contact Us Before Placing An Order.

How Much Maximum Power Does The Battery Have?

  • The car battery voltage is 12v, the truck battery voltage is 24v. Select the inverter with the corresponding voltage.
  • The formula for calculating battery power is : P (power) = V (battery voltage) × I (battery capacity).
  • Such as the car’s 12v 80Ah battery, its power output power = 12v × 80Ah = 960w inverter.

Conversion Efficiency Is 90?

  • The formula for calculating working power with conversion efficiency :
  • P out (output power) = e (conversion efficiency) × P in (input power) × 100%
  • As the earlier calculation = 90 × 960w × 100% = 864w
  • So you can calculate the battery’s maximum power of 864w

How Long Does The Battery Last?

  • Let’s calculate the 12v 80Ah battery working time with a 220v 100w bulb.
  • The formula for calculating battery working time :
  • V (battery voltage) × I (battery capacity) × 0.8 × 0.9 ÷ W (appliance power)
  • Working time = 12v × 80Ah × 0.8 × 0.9 ÷ 100w = 6.912 hours
  • 0.8 is the battery discharge coefficient (constant), and 0.9 is the inverter conversion efficiency (constant).

Instructions To Use

​Instructions

  • The output voltages of the battery should be consistent with the DC input voltages of the inverter. As an example, a 12v inverter should be selected for a 12v battery. The positive and negative poles of the battery should be distinguished when connecting.

Precautions

  • The inverter cannot be connected to the power grid and cannot be used to touch the AC output line. The battery equipped with the inverter can provide more power than the actual power consumption of the appliance. When the battery line is lengthened, the corresponding wire diameter must be doubled.
  • Both of the inverter outputs are live wires, and there is no grounding problem. Do not use anything as a ground wire.
  • Connect the inverter to the load. Do not connect any air switches or leakage protection switches in the middle. The hard operation will not only fail to protect but also damage the inverter.

Troubleshooting

The Inverter Is Not Working.
  • Check whether the plug is inserted in place and whether it is loose.
  • Check the inverter switch is turned on.
  • Whether the car cigarette lighter jack has a voltage output, such as external leads, and whether the polarity is correct.
The Insufficient Output Power Of The Inverter Can Only Drive Low-power Electrical Appliances.
  • The capacity of the battery is too small, and electrical appliances must be replaced or reduced.
  • The battery voltage is too low and must be charged or replaced.
  • Cigarette lighter jack cable. The use of the cigarette lighter socket shall not exceed a load of 150w.
  • If it is an external battery, thicken the lead to shorten the lead length.
The Inverter Does Not Work, And The Faulty Light Is On.
  • The electrical power used exceeds the nominal power. Reduce the use of electrical power.
  • If the battery voltage is too low. It’s required to charge or replace a battery.
  • Reduce the use of power appliances.

Our Policies

Shipping Policy

  • All items are brand new and 100% tested before shipping.
  • All items will be shipped within 1-2 business days after payment is cleared.
  • Your package will be shipped from our warehouse.
  • Delivery time varies between 2-5 business days or longer depending on the shipping area.
  • We will try our best to make a fast shipment.

Return and Refund Policy

  • All our products have been checked and packed in good condition.
  • We offer a full guarantee on all items bought from our store.
  • If the products are not the same as the description or are broken in transit. we will resend them or refund the money to you.
  • We accept returns within 14 days after you receive the package.
  • We highly appreciate that you can contact us first if any problem occurs.
  • We will do our best to resolve the issues for you.

Do You Have Any Questions?

After-Sale Service

If There Are Any Questions, Don’t Hesitate To Get In Touch With Us In Advance. We Will Reply To You Within 24 Hours (Except Holidays).

Additional information

Dimensions 11 × 6.5 × 4 cm
Input Voltage

12V

Output Voltage

110V – 120V

Rated Power

140W

Inversion Efficiency

>95%

Socket

US

Certification

CE, ROHS, UL

Brand

DEWALT

Model

DXAEPI140

Warranty

2 Years Manufacture Warranty

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