A hotel guest discovered that his portable power bank suddenly became overheated and swollen, too hot to hold. In a panic, he threw it into the fridge to “cool it down.” But within minutes, white smoke started pouring out from the fridge, and the entire room was quickly filled with smoke—terrifying both the guest and hotel staff, and even prompting the fire department to rush in!
👉 Fortunately, no one was injured and no fire broke out, though the power bank was completely destroyed.
📊 According to Japan’s NITE (National Institute of Technology and Evaluation):
Over the past 5 years, there have been 1,860 accidents in Japan caused by lithium battery products (such as power banks and portable fans), with most cases occurring during the hot summer months of June to August.
⚠️ Experts warn:
If your power bank becomes swollen or overheated, stop using it immediately
Never recharge it, never put it in a fridge or hot environment
Dispose of it properly at a certified recycling or disposal facility
🔑 While this incident ended without injuries, it serves as a serious reminder:
👉 If your battery acts up, don’t try “DIY fixes”—the consequences could be disastrous!
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