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Super Capacitor Storage Device

"The world's first and only CAPACITOR unit cell products!"
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Miracle Solar Road Marker Super Capacitor storage device (MS - 50, MS - 100, MS - 200, MS - 300 and MS - 2200 Series) is an intelligent and sophisticated system built to conduct every required process such as generation, preservation and consumption of electric power in accordance with environmental conditions.

Capacitor (Super-capacitor or Ultra-capacitor) and Rechargeable Battery (Ni-Cd and Ni-Mh type) are used for storage device at present and the brief concept of each device is as follows:

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Capacitor uses up-to-date technology in electric power storage. It combines the advantages of conventional condenser and rechargeable battery features for optimum functionality. Capacitor utilizes physical reactions - electric charge movement of prime conductor between the poles - in charge and discharge process. The response is faster by comparison with no decline of performance with time. In fact, the life span of Capacitor is at least 100,000 cycles and it lasts for approximately 274 years.

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"Capacitor can generate enough electricity for stable operation of device for more than a lifetime."
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The stable, workable temperature scope of Capacitor is –40 ~ +80°C and its applicable physical province is much more extensive than the Battery. The Capacitor has the ability to charge electric power in a cloudy or rainy day. This innovative storage device eliminates the inconvenience of periodical replacement and industrial waste problems of the Battery. Even though its charging capacity of electric power is less comparative than a Battery, it generates more than enough to maintain stable operation of a device for a lifetime.

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Rechargeable Battery charges and spends electric energy with chemical process and its performance is liable to be lowered with time. Theoretically, the normal life span of a battery is 2,000-3000 cycles (approximately 5-8 years). Actual field study shows this to be around 3-5 years. Therefore, continual use of the device requires battery replacement every 3-5 years. The proper temperature range for battery operated devices run at –20 ~ +45°C making it sensitive to weather conditions, thus creating a disadvantage for battery usage especially for outdoor applications.

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Compatable chart of "Solar Road Markers Super Capacitor VS. Conventional Battery"
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CAPACITOR BATTERY
Workable Temperature -40 ~ +80°C -20 ~ +45°C
Life Span 100,000 cycles
(274 years approx.)
2,000-3000 cycles (5-8 years approx.)
* 3-5 years at the field
Charge & Discharge Efficiency / example 0.90~0.95
16 hours operation for 6 hours charge with 3,000 lux of illumination intensity
0.70~0.85
16 hours operation for 16 hours charge with 10,000 lux of illumination intensity
Chargeable Illumination Indensity Almost of all weather conditions are chargeable Higher than 10,000 lux approximately
Energy Density (Wh/kg) 1~10 20~100
Power Density (W/Kg) 1,000~2,000 20~200
Capacity / Operation period without charge 70~80mA / 16 hours 1,200~1,400mA / 100 hours
Maintenance FREE and semi-permanent> To be replaced every 3-5 years period