Battery Health — CompTIA A+ Core 1 (220-1101) Practice Questions
Battery health refers to the overall condition of a rechargeable battery, encompassing wear level, charge cycle count, voltage behavior, and thermal performance. On the 220-1101 exam, candidates must know how to assess battery health using operating system reports and third-party tools, and how to interpret indicators such as swelling, reduced runtime, or failure to charge. A degraded battery can cause intermittent shutdowns, inaccurate charge percentage readings, and in extreme cases, physical damage from swelling. Properly evaluating battery health is a core skill for mobile device and laptop support.
Free questions on battery health
A laptop battery reports 85% wear level after two years. What does this indicate?
Free question · medium · full answer + explanation
More battery health questions in the full bank
- A mobile device is experiencing frequent unexpected shutdowns even when the battery shows 20% charge remaining. Which of the following is the MOST likely cause? Unlock answer & explanation →
- A smartphone user reports that their device becomes very hot during normal use. Which of the following is the most likely cause? Unlock answer & explanation →