Battery pack is an additional battery to keep light on when energy power is down
Q: 面板灯客户要求带电池，然后就跟我说了这么一句话。Battery pack is an additional battery to keep light on when energy power is down.A:这是应急电源。。。
Q:有应急面板灯么？
A:面板灯+应急电源就好了你们不自己生产面板灯吗？去配应急电源就好了呀。可以直接接LED驱动，也可以接灯，看你自己选择，接驱动比较简单一点。
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