Apple iPhone Battery Health Below 80%: What It Costs, What It’s Worth, When to Replace Before Selling Your iPhone battery health number has a direct dollar value on the used market. This guide breaks down exactly when paying $89 to $99 for a fresh battery before listing on Swappa earns you $150 to $200 more, and when transparent disclosure plus a price adjustment is the smarter play. Includes model-by-model math and Swappa's disclosure rules.
Protips Swappa: Understanding Apple’s Battery Health Part of the promise of Swappa is that buyers will receive a fully functioning device. This includes the battery, which must properly charge and discharge, and cannot have any battery warnings. Swappa also has some requirements regarding the iPhone and Apple’s Battery Health percentages.