The thing is, Li-ion batteries don’t really need to be charged to 100% — especially since that stresses the battery. Comparatively, it is actually worse to let your phone die than it is to charge it to 100%. However, it’s better to let the battery partially discharge and charge throughout the day as needed.
When you call a dead phone does it ring?
Answer: A: With a dead battery it should not ring but it should go to voicemail directly.