{"id":5579,"date":"2026-07-07T08:20:35","date_gmt":"2026-07-07T08:20:35","guid":{"rendered":"https:\/\/www.batteriesfast.co.uk\/blogs\/?p=5579"},"modified":"2026-07-07T08:20:36","modified_gmt":"2026-07-07T08:20:36","slug":"xiaomi-buds-4-earphone-battery-indication-how-to-handle-battery-swelling","status":"publish","type":"post","link":"https:\/\/www.batteriesfast.co.uk\/blogs\/archives\/5579","title":{"rendered":"Xiaomi Buds 4 Earphone Battery Indication: How to Handle Battery Swelling"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">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&nbsp;<strong><u><a href=\"https:\/\/www.batteriesfast.co.uk\/headphones-battery\/Xiaomi\/1042Q1\/1749987\" target=\"_blank\" rel=\"noreferrer noopener\">Xiaomi Buds 4 Headphones Battery<\/a><\/u><\/strong>yourself; this is extremely dangerous.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Xiaomi clearly states in its official safety instructions:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8220;If any swelling occurs in the Xiaomi Buds 4 earphone battery, please stop using the product immediately.&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The official warning also includes the following dangerous behaviors:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Immersing in fire or high-temperature environments: May cause explosion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mechanically squeezing or cutting the<strong><u><a href=\"https:\/\/www.batteriesfast.co.uk\/headphones-battery\/Xiaomi\/1042Q1\/1749987\" target=\"_blank\" rel=\"noreferrer noopener\">Xiaomi Buds 4 Headphones Battery<\/a><\/u><\/strong>: May cause explosion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Placing it in extremely low-pressure environments: May cause explosion or leakage of flammable liquids or gases.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">W<strong>hy does the Xiaomi Buds 4 earphone battery swell?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">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.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Possible Signs of Swelling&nbsp;<strong><u><a href=\"https:\/\/www.batteriesfast.co.uk\/headphones-battery\/Xiaomi\/1042Q1\/1749987\" target=\"_blank\" rel=\"noreferrer noopener\">Xiaomi Buds 4 Headphones Battery<\/a><\/u><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Casing Deformation: Visible bulges, deformation, or failure to close tightly are observed in the earphone or charging case casing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Severely Reduced Battery Life: For example, usage time drastically decreases to less than 30 minutes after a full charge.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Abnormal Charging: Frequent disconnections, abnormal flashing of the charging indicator light, or inability to charge are observed in the earphone or charging case.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Correct Steps to Handle<strong><u><a href=\"https:\/\/www.batteriesfast.co.uk\/headphones-battery\/Xiaomi\/1042Q1\/1749987\" target=\"_blank\" rel=\"noreferrer noopener\">Xiaomi Buds 4 Headphones Battery<\/a><\/u><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Immediate Stop Use: If swelling is suspected or observed, immediately stop charging and using the earphones.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Safe Storage: Store the earphones and charging case in a cool, dry, and well-ventilated place, away from flammable materials, metal objects, and children.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">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.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">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.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In conclusion, battery swelling in the<strong><u><a href=\"https:\/\/www.batteriesfast.co.uk\/headphones-battery\/Xiaomi\/1042Q1\/1749987\" target=\"_blank\" rel=\"noreferrer noopener\">Xiaomi Buds 4 Headphones Battery<\/a><\/u><\/strong>is a serious safety issue and must be handled by professionals.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.batteriesfast.co.uk\/headphones-battery\/Xiaomi\/1042Q1\/1749987\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.batteriesfast.co.uk\/headphones-battery\/Xiaomi\/1042Q1\/1749987\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><u>3.85V Replacement Headphones Battery for Xiaomi 1042Q1<\/u><\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Upgrade your Xiaomi Buds 4 with the high-performance 1042Q1 battery, engineered with advanced circuit board technology to deliver exceptional performance and extended usage for your Xiaomi Buds 4. Designed for reliability and longevity, this battery ensures your device stays powered throughout the day.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Find the best Xiaomi Headphones Battery price! Search Batteriesfast.co.uk for&nbsp;<a href=\"https:\/\/www.batteriesfast.co.uk\/headphones-battery\/Xiaomi\" target=\"_blank\" rel=\"noreferrer noopener\">Xiaomi Headphones Battery.<\/a>Get fast shipping and top-rated customer service.&#8221;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>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&nbsp;Xiaomi Buds 4 Headphones Batteryyourself; this is extremely dangerous. Xiaomi clearly states in its official safety instructions: &#8220;If any swelling occurs in the Xiaomi Buds [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[251],"tags":[],"class_list":["post-5579","post","type-post","status-publish","format-standard","hentry","category-headphonesbattery"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Xiaomi Buds 4 Earphone Battery Indication: How to Handle Battery Swelling - Batteries Fast Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.batteriesfast.co.uk\/blogs\/archives\/5579\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Xiaomi Buds 4 Earphone Battery Indication: How to Handle Battery Swelling - Batteries Fast Blog\" \/>\n<meta property=\"og:description\" content=\"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&nbsp;Xiaomi Buds 4 Headphones Batteryyourself; this is extremely dangerous. 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