High-voltage pulse power flow that is allowed UPS mains voltage range LED power supply, because the local voltage fluctuations directly affect the operation of UPS Xifeng LED power prices, especially in some areas is relatively poor grid Xifeng LED power suppliers, day and night voltage vary greatly. If you want to work 24 hours UPS Xifeng LED power supply factory outlets, in such a large range of variation in, UPS can work essential. If you can not work, and only turn the battery, such a battery is not used for real power, two frequently turn might impact the battery life. If you turn the UPS battery unit for the relay, the relay is particularly serious damage, greatly increasing the failure rate of the UPS. Rainproof power supply with isolation transformer or electrical isolation means LED drive power LED direct hand contact without electric shock. Without isolation transformer LED drive power, though still able to achieve some mechanical means of protective shell insulation, but this time the LED does not directly contact with at work. Xifeng LED power suppliers, Shenzhen far lighting (certified), LED lighting power supply away from the Shenzhen Limited. Lighting Co., Ltd. Shenzhen far (www.zhenyuled.cn) (www.zhenyuanled.cn) is Xi'an, sodium leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . In Shenzhen far lighting leadership with the staff warmly welcome all inquiries negotiations to create lighting Shenzhen far better future.