What Causes Power Banks to Explode?
Just over the past few years, many cases of power banks catching fire and exploding have been observed. There are 3 major factors that may result in power bank catching fire or exploding.
By Pisen — 05 Jan 2015, 12:01 PM — Updated almost 10 years ago
Poor Battery Quality
Batteries are the most expensive material in a power bank. For power banks, most commonly used batteries are Lithium-ion batteries and Lithium-Polymer batteries.
In order to reduce cost, many brands opt to go for the cheaper Lithium-ion batteries. However, many small brands use counterfeit/recycled batteries in their power banks. While this enables them to supply power banks at a very low price, these power banks carry severe safety risk.
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Inefficient Circuit Design
Circuit design plays a vital role to ensure that a power bank can function properly.
A good circuit design also allows the power bank to be well equipped with multiple circuit protections such as high temperature, overvoltage as well as short circuit.
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Mishandling/Improper Usage
Such situation is less common as most users do not place their power banks in extreme environment such as high temperature or humidity.
Constantly overcharging the power bank may damage the batteries if the power bank is not equipped with power protection features.
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Summary
Having proper circuit design, safety measures, testing and tight standards can greatly reduce the risk of battery failure. Fortunately, Pisen power banks excel especially in safety features. Batteries used by Pisen are of high quality and produced by well-known manufacturers.
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