Rechargeable batteries

06.28.11
SEI creates new porous Aluminum-Celmet, makes rechargeable batteries last longer
06.28.11

SEI creates new porous Aluminum-Celmet, makes rechargeable batteries last longer

Quick: What costs hundreds of dollars and dies after four hours? If your answer included anything...

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05.12.10
AA rechargeable battery shootout: Energizer, PowerGenix and Sanyo Eneloop
05.12.10

AA rechargeable battery shootout: Energizer, PowerGenix and Sanyo Eneloop

If there's one thing that has become abundantly clear to us these past few months, it's that there'...

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04.07.10
Hitachi claims secret chemical formula will improve battery cathodes, double longevity
04.07.10

Hitachi claims secret chemical formula will improve battery cathodes, double longevity

Before lithium-ion batteries, portable gadgets were a nightmare, forcing road warriors and Discman-t...

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10.16.07
Rechargeable USB battery works in AA-ready devices
10.16.07

Rechargeable USB battery works in AA-ready devices

While one may assume that the above device is simply a USB flash drive in disguise, it's actually q...

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