How To Get Your Battery Health Higher. Battery health affects the performance of the laptop and battery run time. Keep your iPhone at room temperature.

Keep your iPhone at room temperature. If battery health has degraded significantly the below message will also appear. To learn more see the Dell knowledgebase article.
However these batteries mostly lithium-ion type decrease in charging ca pacity over time.
You can use it to see if the batteries life has been degraded over time. Use this guide if you need to eke every last electron out of that battery. The arrival of iOS 11 was in its day an important novelty related to the health of the iPhone battery which precisely allowed us to check what was the percentage of this. If youd like to use the most aggressive and high-performance options when on battery power switching to High Performance mode might help a little.

