If you thought the Galaxy Note 7 debacle news cycle was finally done with, you were wrong. Yesterday, a fire broke out at the Samsung SDI battery factory in China. This is the same factory that produced batteries for the Note 7 before the first recall of the handset…

Don’t jump to conclusions — this fire wasn’t caused by the production of a battery for the Note 7 (for obvious reasons) or any future devices like the Galaxy S8. The fire is reported to have started in an area of the factory that stores lithium-ion waste and faulty batteries. The production line itself was reportedly untouched and undamaged by the flames.

The Samsung SDI factory is located in a northern China city called Tianjin. Reuters found a blog for the Wuqing branch of the local fire department which noted that the “material that caught fire was lithium batteries inside the production workshops and some half-finished products.” The blog post also stated that over 110 firefighters and 19 firetrucks were dispatched to the scene to extinguish the small blaze.

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The fire took extra time and effort to put out because of the lithium-ion material that caught on fire. As we’ve noted before, lithium-ion can be highly unstable and is prone to cause damage if mistreated. While scientists are still looking for a replacement for the current technology, some teams are finding ways to just add fire extinguishers to lithium-ion batteries themselves.