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Optex Co Ltd has released an LED lamp that is equipped with a solar panel and a rechargeable battery and has a sensor-based dimming function for outdoor use.
Optex, based in Otsu, Shiga Prefecture, develops and sells sensor-related products. The lamp is expected to be installed for passage ways on the premises of offices/facilities, side roads, etc, where it is difficult to secure a power source.
The light source of the lamp is white LEDs. The lamp incorporates a 5W solar panel and a 7.2V 3,000mAh lithium titanate ion rechargeable battery. The service life of the battery is about 15 years.
The manufacturer's suggested retail price of the product is ¥98,000.
© Japan Today
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Cliffy
Operating temperature? I have an LED one around my house with Car battery as backup and 3 different charging circuit , but unfortunately, the LED motion sensor light does not work too well when the temperature dips below -15C. I guess I need one with internal components rated at military grade rather then commercial/industrial grade.