At $150 it’s at the very high end of the laptop battery accessories that HP lists on its site. But for that price customers get a battery that lasts three years, runs for about four hours on a charge that fades less over time than comparable lithium-ion batteries. The companies initially promised a $20-30 markup over a standard lithium-ion laptop battery, and $150 falls within that range.
Consumer electronics companies are increasingly offering gadgets and goods marketed as “greener,” touting their energy efficiency and using more sustainable materials. Apple (AAPL) is selling its latest MacBook line as the “world’s greenest family of notebooks.” Dell (DELL) is selling a small PC with a bamboo casing that consumes less energy. Cell phone companies like Nokia (NOK) are offering phones like the 3110 Evolve that use more-easily recyclable materials and a more energy-efficient charger."
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