The POE switch on the market is an independent device. It does not carry a battery and therefore does not have the ability to provide power backup for POE devices. The general way to build a POE switch with battery backup is to use a UPS plus a battery. The UPS can power the POE switch to achieve POE switch with battery backup. However, this is not the best solution. This method of building a POE switch with battery backup solution will be more complicated and more suitable for indoor applications. Edgeware provides a more integrated POE switch with battery backup solution.