There are clear instructions for handling swollen earphone batteries. The core principle is to immediately stop using the product and contact official after-sales service. Never attempt to disassemble or replace the Xiaomi Buds 4 Headphones Batteryyourself; this is extremely dangerous.Xiaomi clearly states in its official safety instructions:
“If any swelling occurs in the Xiaomi Buds 4 earphone battery, please stop using the product immediately.”
The official warning also includes the following dangerous behaviors:
Immersing in fire or high-temperature environments: May cause explosion.
Mechanically squeezing or cutting theXiaomi Buds 4 Headphones Battery May cause explosion.
Placing it in extremely low-pressure environments: May cause explosion or leakage of flammable liquids or gases.
Why does the Xiaomi Buds 4 earphone battery swell?
The earphones use lithium-ion batteries. During repeated charging and discharging, internal chemical reactions produce gas, causing the battery to swell. This is a physical phenomenon, but once it occurs, it means that the Xiaomi Buds 4 earphone battery poses a safety hazard.
Possible Signs of Swelling Xiaomi Buds 4 Headphones Battery
Casing Deformation: Visible bulges, deformation, or failure to close tightly are observed in the earphone or charging case casing.
Severely Reduced Battery Life: For example, usage time drastically decreases to less than 30 minutes after a full charge.
Abnormal Charging: Frequent disconnections, abnormal flashing of the charging indicator light, or inability to charge are observed in the earphone or charging case.
Correct Steps to HandleXiaomi Buds 4 Headphones BatteryImmediate Stop Use: If swelling is suspected or observed, immediately stop charging and using the earphones.
Safe Storage: Store the earphones and charging case in a cool, dry, and well-ventilated place, away from flammable materials, metal objects, and children.
Contact Official Support: This is the most crucial step. Contact Xiaomi official customer service or visit an authorized Xiaomi service center for professional assistance. The Xiaomi Buds 4 earphone battery is internal and non-removable; do not attempt to remove it yourself.
Proper charging: During daily use, it is recommended to cycle the battery between 20% and 80% to avoid prolonged overcharging, which will help extend the battery life of the Xiaomi Buds 4 earphones.
In conclusion, battery swelling in theXiaomi Buds 4 Headphones Batteryis a serious safety issue and must be handled by professionals.
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