What are the signs of a failing ASUS battery?

Written by Editorial Team | Last Updated: August 2026

A degrading or failing lithium-ion battery in an ASUS laptop typically exhibits several distinct hardware performance and physical warning signs. Prominent indicators include drastically reduced operating runtimes between full charges, unexpected device shutdowns even when battery percentage indicators display moderate power levels, and failure to charge past specific capacity thresholds. Users may also notice physical battery swelling or expansion, which can distort the laptop chassis, elevate the trackpad, or prevent the keyboard deck from closing properly—a dangerous condition requiring immediate replacement to prevent fire hazards. Software notifications within the operating system, warning messages in the ASUS utility software regarding degraded battery health, and excessive operational heat during routine charging cycles further confirm impending battery failure.

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