A power bank that swells, gets unusually hot, or won't hold charge isn't just inconvenient — it can be a safety risk. Here's when to stop using one immediately.
Stop Using Your Power Bank Immediately If:
- The casing is swollen or bulging — this means the internal battery cells are degrading and building up gas; a swollen lithium battery is a fire risk
- It gets hot to the touch during normal charging — some warmth is normal, but noticeably hot or hot-to-hold is not
- You notice a chemical or burning smell — stop use and move it away from flammable materials immediately
- The casing is cracked or damaged — exposed internals increase both electrical and physical risk
Signs of Normal Aging (Not Necessarily Dangerous, But Time to Replace)
- Charges devices to a much lower percentage than its rated capacity
- Takes significantly longer to charge itself or your devices than when new
- Battery percentage display seems inaccurate or jumps unexpectedly
How to Dispose of an Old or Damaged Power Bank Safely
Never throw a lithium battery in regular household trash. Look for e-waste or battery recycling drop-off points, or check if your city has designated collection points — in Karachi, several electronics markets and recycling initiatives accept old lithium batteries.
How to Avoid This in the First Place
Genuine power banks from reputable brands have built-in protection circuitry designed to prevent overcharging, overheating, and swelling under normal use — far less common than with unbranded or counterfeit units. See our Xiaomi, Mcdodo, and Baseus genuine power bank collections.
If you're currently seeing any of the danger signs above, stop using the device and store it away from flammable materials immediately.
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