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Ideas That Spark: Expert Q&A

From the Editors of Ideas That Spark

Q. We use a ton of batteries, but I can never decide which type to buy. Are rechargeable or single-use ones cheaper in the long run? Also, I’ve heard that rechargeable batteries contain more heavy metals. So which kind is really better for the environment?

A. Whether you’re a fan of rechargeable batteries or not, you probably already use them in your cell phone, laptop, video game controllers and digital camera. Rechargeables are not necessarily cheaper, but choosing them over regular batteries is an easy way to reduce your waste and resource consumption. It’s a simple question of logistics: Why keep throwing away batteries when you have the option to buy a version that you can reuse multiple times? It reduces packaging, trips to the store and overall material use.

Some people are concerned about the heavy metals that these batteries often contain. However, because these metals can be toxic to the environment, rechargeable battery recycling programs are widely available. Just visit Earth911.com or Call2Recycle.org to find one in your area.

Recycling is a significant means of preventing pollution and harvesting valuable materials for reuse. In fact, many states and cities have laws banning rechargeables from landfills or requiring manufacturers to implement take-back programs. In addition, many battery retailers also accept them for recycling. One caveat: Don’t use rechargeables in your smoke detectors. This type of “slow-drain” energy use will discharge those types of batteries very quickly.

Jennifer Berry is a recycling expert from Earth911.com, a one-stop information center on reducing, reusing and recycling all kinds of products.