If you have a Mac notebook with Thunderbolt 3 ports, the new battery health management option in macOS 10.15.5 Catalina could extend the lifespan of your battery. However, it comes at the cost of reduced everyday runtime.
Is your iPhone battery draining faster than you think it should? iOS 13’s Battery screen can shed light on the situation, whether it’s a dying battery or a rogue app. Learn more here: