MADISON, Wis. – Batteries that can be recharged rather than tossed when the juice runs out are supposed to be more convenient for consumers. But for Wren Wright, they lose their power too quickly and unpredictably, sometimes leaving the shutterbug with a lifeless digital camera.
Now, major battery makers are recharging their offerings with new models that promise to hold their power longer and don’t have to be plugged in for hours before the first use.
Wright, who’s been trying out Rayovac’s new batteries, is impressed. In the month since he snapped them into his camera, he hasn’t had to recharge them once.
“It’s nice being able to just pop them in there,” said Wright, an Athens, Ga., home remodeler who said he uses his camera frequently.
Battery makers see a big potential in rechargeables, a small but steadily growing part of the $3.5 billion-a-year battery industry. They’re also improving the technology to address consumer complaints.
Madison-based Rayovac, the nation’s third-biggest battery maker, is broadly launching its revamped rechargeables in a few weeks. The batteries, which are fully powered out of the box, are now only available at Wal-Mart Stores Inc. locations with a suggested retail price of $8.99 for a four pack of AA or AAA batteries. Chargers cost $9.99 to $19.99.
The time spent recharging is a major complaint, said Sean Martin, a division vice president at Rayovac, a unit of Atlanta-based Spectrum Brands Inc.
“It’s the inconvenience of ‘I have to charge them before I can use them and then every time I go back to use them they discharge their power,’” Martin said.
The new Rayovac batteries, called Hybrids, not only ship fully charged but also can hold that power for about nine months when they’re not used.
They’re made of the same elements as standard nickel-metal hydride rechargeables, but the nickel-metal alloy is treated with a chemical process that allows the batteries to hold their juice longer, the company said.
Hybrids will completely replace Rayovac’s other rechargeables after the first of the year.
Electronics company Sanyo has a similar nickel-metal hydride rechargeable called the Eneloop on sale at Circuit City, Ritz Camera and other chains, said David Isola, a Sanyo senior product manager.
He said the company has sold 10 million worldwide in the 10 months they’ve been on sale. The batteries, which also are fully charged out of the box, can hold their power for up to two years when they’re not being used, Sanyo said.
Both No. 1 Duracell and Energizer, the No. 2 battery seller, have shortened the time it takes to charge their products to as little as 15 minutes with a $25 charger.
“There is a lot of behind-the-scenes science to have the most efficient charge rate and complete this in the most efficient time period,” said Tony Mazzola, product technical support manager for Energizer. “… People like to get things done quickly and not necessarily wait overnight.”
Duracell also has a new nickel-metal hydride charger with a lighted display that shows the progress for each battery. The Power Gauge Charger also allows people to charge gadgets via a built-in USB port.
Rechargeables currently make up less than 5 percent of all battery sales. Still, they’re considered among the fastest-growing segments. All the major brands figure rechargeable revenues are growing at least 20 percent a year.
As high-drain gadgets such as digital cameras become more popular, rechargeable batteries sales will increase, battery makers say. Duracell said it expects more than 80 percent of households to have digital cameras by 2008, up from about 50 percent today.
But rechargeables aren’t ideal for all devices, said Edgar Dworsky, a former Massachusetts assistant attorney general and founder of the consumer education Web site www.consumerworld.org.
Traditional alkaline batteries, for instance, tend to keep their power longer when not in use. It makes sense, he said, to use them in flashlights that are stashed away for blackouts. Rechargeables, however, are a good choice for frequently used gadgets such as cameras, he said.
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