If you buy an electric can opener make sure that it is tall enough to fit the largest can you usually open. Or just buy a portable can opener that clamps on to the can and moves around it. An advantages of this is that you are able to bring the can to the can opener. This is particularly important if it's a large and heavy can. There are days when you back might be hurting or your arthritis is flaring up, and carrying it might not be that easy.

A spacesaver can opener can attach to the bottom of your cabinet, saving your counter space for more important items and cooking tasks.

But despite all the advances in electric, rechargeable, and battery-operated can openers, it is important to have a manual can opener as a back up. If the power goes off for an extended period of time, you may have more important tasks for your batteries. A rechargeable battery only lasts so long.

The Hamilton Beach Pop-Top Electric Can Opener stands 9 inches tall, so that it's able to open very tall cans such as coffee cans or juice cans. It's designed to even open tops with pop-tops. It has a special side-cutting system that leaves a smooth edge, that won't cut you. The large lever is designed for easy and effortless use. The black and chrome color scheme makes it design appropriate for the most modern kitchen.

Hand-free can opener from Black and Decker. All you have to do is clamp the can opener on any size can and then let go. Then you can watch the can opener walk around the can and when it gets to the beginning it stops. That's all there is to it. Because the can opener is cordless, you can bring the can opener to the can. This is really helpful if it is a really big can that you don't feel like carrying. It charges automatically when you put it back in the recharger unit. It will open up to 30 cans on one charge. So if the power does go out, you can open some cans, while you wait for the power to come back on.

The Black & Decker Spacemaker can opener attaches to the underneath part of your cabinet to save counterspace. It also includes a built-in knife sharpener and bottle opener. It opens cans of all sizes and is a hand-free can opener. The black can opener with metal accents is perfect for today's modern kitchen.

The large lever on the Miu can opener is so easy to use, you might not think that it is working. Contaminated lids won't fall into the food, so it's very sanitary too use. It also smooths out the edge of the can so you won't cut yourself. This works on the smallest of cans, such as tomato paste cans, which some electric can openers can't handle.

If the power goes out for an extended period of time, it's good to have a manual can opener.