How to Maintain 100% Battery Health on iPhone 12?
- Oct 30, 2025
- 2 min read

Maintaining your iPhone 12 battery health is crucial for long-term performance. Proper care ensures your device lasts longer, charges efficiently, and provides smooth usage every day. Let’s explore some practical steps to keep your iPhone 12 battery in top condition.
Use Optimized Battery Charging
Apple offers a feature called Optimized Battery Charging. This helps slow down battery aging by learning your daily charging routine.
Go to Settings > Battery > Battery Health > Optimized Battery Charging
Enable it to reduce the time your iPhone stays at 100% charge overnight
This simple step prolongs battery lifespan and keeps your iPhone 12 battery health close to 100%.
Avoid Extreme Temperatures
Battery performance is sensitive to temperature:
Do not expose your iPhone 12 to very hot or very cold environments
Avoid leaving it in a car under direct sunlight
Charging in a cooler environment is safer and more efficient
Keeping your iPhone within normal temperature ranges helps maintain battery longevity.
Use Original Chargers
Always use Apple-certified chargers or MFi-certified accessories:
Prevents overvoltage or overheating
Ensures safe and consistent charging
Helps maintain optimal battery health over time
Keep Software Updated
Apple regularly releases updates that improve battery performance and stability:
Go to Settings > General > Software Update
Install updates promptly to benefit from battery optimizations
Updated software ensures your iPhone 12 runs efficiently and reduces unnecessary battery drain.
Avoid Full 0–100% Charging Often
Charging between 20% and 80% is healthier for lithium-ion batteries:
Avoid fully discharging or always charging to 100%
Frequent full charges can reduce long-term capacity
This habit keeps your iPhone 12 battery health strong and stable.
If you are planning to buy an iPhone 12 or upgrade, checking the iphone 12 price in bangladesh will help you budget and plan for the purchase while considering these battery care tips.
Conclusion
Maintaining iPhone 12 battery health is simple if you follow a few key practices: use optimized charging, avoid extreme temperatures, stick to certified chargers, update software regularly, and avoid full 0–100% cycles. By doing so, your iPhone 12 will stay efficient for years, and knowing the iphone 12 price in bangladesh helps you make an informed decision when purchasing or upgrading.
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