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博文

目前显示的是 二月, 2019的博文

Portable emergency light

Portable emergency lamp is a practical and reliable emergency lighting tool, can be connected to the municipal power for a long time, when the municipal power is normal to charge the battery through the internal charger, when the municipal power failure or power failure, the battery power supply to the inverter so that the fluorescent tube immediately lit up, to achieve emergency function. Portable emergency light originally widely used lead-acid battery energy storage, light source using PLC energy-saving lamp tube, can only be used for half a year. At present the most advanced is the use of lithium iron battery LED lights, charge and discharge cycle times up to 2000-5000 times, can be guaranteed for 3-5 years or more.