How to Make a Portable Outlet With a Battery

Having a source of electrical power for emergency usage is a wise precaution, especially if you live in an area that may be prone to natural disasters. Even the capability to run a few small electrical appliances can make a big difference in your comfort and ability to communicate. With some basic gear, you can put together a system to convert DC (battery) power to AC (outlet) power quite simply.

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Step 1

Remove 1/2 inch of insulation from one end of the black and red cables with wire strippers.

Step 2

Slide a ring terminal over the bare ends of each wire, and fasten into position by sliding the crimp tool over the terminal and crimping them in place.

Step 3

Remove 1/2 inch of insulation from the other ends of the cables.

Step 4

Place a battery terminal over the bare ends of the wire and fasten them into position. Different types of battery terminals will use different fastening methods—some require you to tighten a set screw, others clamp on with a nut and bolt. Use the appropriate tools for the type of battery terminal you have.

Step 5

Loosen the screw terminals on your inverter. Most inverters use a simple wing nut you can loosen and remove with your fingers. Slide the positive cable's (red) ring terminal over the positive (+) post, replace the screw and tighten; then repeat with the negative (black) cable and negative (-) post.

Step 6

Slide the battery terminal on the red cable onto the positive post of your battery and tighten it with a small adjustable wrench. Slide the battery terminal on the black cable onto the negative post of your battery and tighten.

Step 7

Turn on you power inverter and plug in any electrical gear.


Nichole Liandi

Based in Virginia, Nichole Liandi has been a freelance writer since 2005. Her articles have appeared on various print and online publications. Liandi has traveled extensively in Europe and East Asia and incorporates her experiences into her articles. She holds a Bachelor of Arts in history from West Virginia University.