Based on the aggregated intelligence of 180,000-plus investors participating in Motley Fool CAPS, the Fool's free investing community, power management solutions provider Power-One (Nasdaq: PWER) has earned a respected four-star ranking.

With that in mind, let's take a closer look at Power-One's business and see what CAPS investors are saying about the stock right now.

Power-One facts

Headquarters (Founded) Camarillo, Calif. (1973)
Market Cap $444 million
Industry Electronic components
Trailing-12-Month Revenue $1.12 billion
Management CEO Richard Thompson (since 2008)
CFO Gary Larsen (since 2010)
Return on Equity (Average, Past 3 Years) 19.3%
Cash/Debt $182.7 million / $36 million
Competitors Emerson Electric (NYSE: EMR)
General Electric (NYSE: GE)
Siemens (NYSE: SI)

Sources: S&P Capital IQ and Motley Fool CAPS.

On CAPS, 95% of the 656 members who have rated Power-One believe the stock will outperform the S&P 500 going forward. These bulls include markbudge1 and jed71.

Just last month, markbudge1 tapped the stock as a potent bargain opportunity:

The inverter market is growing and so will Power-One. It has a high ROI and ROE and little debt. Once good news hits, it will skyrocket.

In fact, Power-One sports a particularly paltry P/E of 4. That represents a clear discount to much larger rivals like Emerson (16), GE (12), and Siemens (11).

CAPS member jed71 elaborates on the Power-One bull case:

I am definitely not what you would call a "greenie", but this technology is here to stay. The more efficient it becomes, the more I believe it will become a part of daily life. ...

Here you have a company that makes power inverters that convert DC energy from a solar or wind farm, and make it into usable AC energy on a power grid. These converters are highly efficient (from what I have read) and actually do a nice job reducing power conversion losses. I recently read that they have / are continuing to design commercial models that increases efficiency from large solar / wind farms. Pretty neat stuff.

The financials aren't bad at all either, considering this is a "green tech" company (which tend to be on the pricey side). ... With operating margins approaching 25%, I am thinking it might be time to put some real money into this one.

What do you think about Power-One, or any other stock for that matter? If you want to retire rich, you need to put together the best portfolio you can. Owning exceptional stocks is a surefire way to secure your financial future, and on Motley Fool CAPS, thousands of investors are working every day to find them. CAPS is 100% free, so get started!

Interested in another easy way to track Power-One? Add it to your watchlist.

This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.