Time passed by, Jing Qiongshuang and Wo Gua opened their eyes wide, waiting for Li Luyi's next words, but Li Luyi walked around the operation room, pointing nervously. Pointing outside, "Why are those lights still on?"When they first entered this space, the lights were bright because it looked like a military fortress. Several people turned off their flashlights and walked along the lights. For a while, no one bothered to find out why the lights were still on after decades. , I just thought that there was a giant generator supplying power somewhere in this place, but when I got here, I discovered that there were so many cables extending in all directions, and they were connected to nothing else but the source of power generation. However, this source is none other than countless giant dry cells assembled into disposable consumables with limited energy use and no regeneration!Generally, batteries are divided into: AA, AA, AA, AA and AA. AA and AA are particularly
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