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You can always e-mail us with the make and model of your laptop and we will make sure you get the right product for your needs. You can also use the following formula to calculate the power requirements of your laptop computer:

Look on the A/C power adapter (sometimes called "power brick") of your laptop. You should find Output listed there. It would say something similar to 19.6 volts 6.3 amps. Simply multiply these two numbers together and that will give you the power in watts. In this case, 19.6 X 6.3 = 123.48 watts. This is how much power it will take to run your laptop. A 100-watt converter will not run your laptop, but the 150-watt will handle it fine.

Another method you can use is to go to this website and look up your make and model. This website sells AC replacement adapters, and most every laptop is listed. The power requirements of your laptop will be listed there. Make sure the converter you order will exceed these requirements. For example, your laptop may be a Dell Inspiron 3700. You would go HERE and see that the power requirements of your laptop is 75 watts. Therefore, a 100-watt converter will be more than enough to power your laptop.

NOTE: If your laptop uses near the maximum power output on the converter, it is wise to step up to the next size. For example, your power brick says: OUTPUT 20v 4.75 amps. 20 times 4.75 equals 95 watts. 95-watts is very near the limits of the 100-watt converter, so it may be wise to step up to the 150-watt converter.

Once you have determined the power requirements of your laptop, you need to choose a Locoverter Converter that is in excess of that requirement. The choices are 100-watt, 150-watt, and 350-watt.

Step 2: Decide what accessories you will need.

      A: Power Inverter

Locoverter Converters change 74 volts DC to 12 volts DC, just like your automobile cigarette lighter. If you have a car charger (auto adapter) for your laptop, you do not need a power inverter. A power Inverter changes 12 volts DC to 110 volts AC, just like the outlets in your home. The power inverters we offer are 95 watts, 150-watts, and 375 watts. Choose a power inverter that exceeds the power requirements of your laptop.

     B: Battery Switch Adapter

Battery Switch Adapters are offered to use on those locomotives that do not have a 74 volt Receptacle. It works just like a set of jumper cables. You can clip the adapter directly to the terminals of the Battery Knife Switch on the Locomotive. It has a receptacle on the other end to plug your converter into. If you are uncertain what a battery knife switch is, do not order this adapter. Locoverter does not recommend the use of this adapter to connect to the battery knife switch, and is used solely at the risk of the user!

Step 3: Packages

Once you determine the sizes of products that you need, the next step is to determine the package you need.

If you only need a converter, click HERE to order the size you require.

If you need a converter and an inverter, you can choose the All-In-One Combo or the Converter and Inverter separately.

If you need all three items, you can save some money with the laptop package.