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| Nickel-Metal
Hydride Batteries |
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| What is a "Twicell"
Nickel-Metal Hydride Batteries? |
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| It's a secondary battery capable of charging
and discharging that can save twice as much energy as an ordinary
CADNICA battery. Twicell uses hydrogen absorbing alloys in
its negative electrode (anode) and nickel oxide in its positive
electrode (cathode). Since its release, the 1st in the world
in October 1990, the "Twicell" sealed Nickel-Metal
Hydride Battery has developed a strong reputation for high
capacity, high performance and high quality. In November 1996,
Sanyo was the 1st manufactures in the world to achieve 300
million cells accumulatively. |
The HR-4/3AU (3,500mAh) is a new (volumetric energy density:
300Wh/l), first marketed in May 1996, that well exceeds the
volumetric energy density of lithium-ion batteries. Sanyo
plans to release another Twicell battery of even higher capacity
(volumetric energy density: 340Wh/l) in the end of 1997. In
addition, the new Twicell HR-4/3FAU(4,000mAh), released in
September 1996, is specially designed for notebook computers,
and has the same diameter (18mm) as the lithium-ion UR18650
battery. |
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| Features |
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High volumetric
energy density well exceeding that of Lithium-ion batteries.
(HR-4/3AU and HR-4/3FAU) |
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Double capacity of
standard CADNICA batteries. |
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Can be used over and
over (more than 500 times with a specific charger). |
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1.2~1.6 hour quick
charge with a specific charger. |
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Compatible with Nickel-Cadmium
batteries (almost same discharge voltage). |
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Produced under a ISO9002
certified quality control system . |
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| Applications |
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Notebook
computers |
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Cellular phones, PHS
phones, telecommunications equipment |
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Video cameras, digital
still cameras, PDA |
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Shavers, electric
toothbrushes |
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Various portable equipment |
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| Battery
lineup |
| Please
look at here. >> |
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