Are Rechargeable Batteries Better?

By choosing rechargeable batteries over standard alkaline, you can save money and help the environment.
By Laura Evers
June 19,2008
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Many claim that rechargeable batteries are a better solution than alkaline, but are rechargeable batteries really worth the extra money?
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Although one company claims their batteries keep going and going and going…the truth is your batteries will eventually run out. After powering our remote controls, tape recorders and electric shavers, the average person will throw away eight batteries this year, on average. But by switching to rechargeable batteries, you’ll save money and take advantage of “renewable energy.”

Save Money over Time

While it may seem cheaper to buy a standard pack of alkaline (AA, AAA, C, D or 9-volt) batteries, making the switch to rechargeable batteries can actually cut down on your spending over time. Despite the initial $40 price tag (for a typical charger and batteries), rechargeable batteries can last up to 1,000 charges (longer if stored in the fridge), saving you about $80 a year, on average.

Better for the Environment

When taken to landfills, most batteries (even rechargeables) can release harmful metals such as mercury, lead and cadmium into the environment. The good news is rechargeable batteries are surprisingly easy to recycle. And, because batteries can be recharged and reused numerous times, they contribute less waste to landfills.

Know Your Options

There are three main types of rechargeable batteries. The nickel cadmium battery (NiCd) is known for its long life but lower voltage potential than its competitors. Another type, the nickel-metal hydride (NiMH) has higher voltage that the NiCd, but requires more charges.

A step above the rest, the lithium-ion battery is more expensive than other rechargeable batteries, but stores more energy and lasts longer between charges. They’re perfect for battery-operated tools and they’re better for the environment because they don’t contain harmful toxins. And since lithium is a natural metal, it is available in great quantities.

How to Recycle Batteries

After numerous charges, even rechargeable batteries eventually expire. Recycling can prevent toxins from entering the environment, so it is a better choice than throwing them in the trash. To find a site to recycle your household batteries near you, visit the Rechargeable Battery Recycling Corporation Web site or call 877-273-2925. If for some reason there is not a site in your area to recycle your other rechargeable batteries, such as old cell phone batteries, Earthworks can send them off for you. All services are free.

Resources

Online rechargeable battery reviews

Recycling rechargeable batteries information

More on the benefits of rechargeable batteries








Post a comment below.

 

Lorin Thwaits
6/30/2008 10:13:35 AM
Scotch -- Lithium batteries aren't drop-in replacements for standard AA, C, D, etc because they are a different voltage, 3.6 volts. The common alkaline and carbon cells are 1.5 volts. NiCD and NiMH are close enough to work just fine, at 1.2 volts. So they're a great substitute for primary (non-rechargeable) batteries. Also lithium batteries are pretty fussy. They can not be discharged down to zero or you won't be able to charge them back up again. And you can't overcharge them or they will either leak or expode. Pretty finicky. But wow do they hold lots of energy when they're used and charged properly!

Penny_1
6/23/2008 2:25:56 PM
In the year 2000 we bought a battery charger and about 8 AA rechargeable batteries for our digital camera. We used them every day for selling on ebay, taking photos of grandkids, etc. And now, 2008 we still are using them!! Saved literally hundreds of dollars in gas (we live far from large towns) and buying regular batteries. Got them at Walmart or Targets, can't remember which.

Scotch
6/23/2008 12:08:22 PM
I haven't been able to find LIon batteries in standard sizes; A,AA,AAA, C, D, 9V. Does anyone know where to find them, if they even exist? Also, has anyone seen rechargeable alkaline batteries? I swear I've seen them, but I'm not sure where. NiMH is my battery of choice these days anyway...








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