How to Check Battery Health on Your Smartphone

Understanding Battery Health

Battery health is a crucial factor when buying or selling used smartphones. Here's how to check it on different devices...

For iPhone Users

1. Go to Settings > Battery > Battery Health & Charging

2. Check the Maximum Capacity percentage

3. Look for any service recommendations

For Android Users

1. Use built-in battery settings (varies by manufacturer)

2. Download apps like AccuBattery for detailed analysis

3. Check charging cycles and health status

What Good Battery Health Means

- 90-100%: Excellent condition

- 80-89%: Good condition

- 70-79%: Fair condition (consider replacement)

- Below 70%: Poor condition (needs replacement)