Charging your phone correctly can extend battery life, improve performance, and reduce the risk of overheating. Whether you use an iPhone charger, Samsung charger, iPhone cable, or Samsung cable, there are some important things to consider.
In this article, we will go through how to maximize your phone's lifespan and what you should consider from a safety perspective.
How to maximize battery life
To extend your phone's battery life and lifespan, it's important to avoid common charging mistakes.
• Keep the battery level between 20–80%. Charging to 100% or regularly letting the battery drop to 0% wears out the battery.
• Avoid using fast charging daily. Fast charging is convenient but can increase heat and wear out the battery over time.
• Do not charge your phone overnight. While modern phones have protective mechanisms, prolonged charging can affect battery capacity in the long run.
Battery protection in iPhone and Samsung
Both Apple and Samsung have built-in features to protect the battery:
• iPhone charging: The “Optimized Battery Charging” feature learns your charging pattern and ensures the battery is kept at a maximum of 80% until you need it.
• Samsung charging: Samsung has the “Protect Battery” feature, which limits charging to 85% to reduce battery wear.
To activate these features, go to Settings > Battery on your phone.
Which charger and cable should you use?
Not all chargers and cables are equally good. Using the wrong charger can lead to slower charging, battery wear, and in the worst case, fire risk.
iPhone charger and iPhone cable
• iPhone supports up to 20W fast charging via a USB-C to Lightning cable.
• For best performance, use an MFi-certified (Made for iPhone) charger and cable.
• Avoid cheap copies from dubious stores that lack protection against overheating and overcurrent.
Samsung charger and Samsung cable
• Samsung phones use USB-C and support up to 45W fast charging on some models.
• Super Fast Charging requires a compatible charger and a Samsung cable that supports high power.
• Choose a certified Samsung charger and cable to ensure safe charging and avoid battery damage.
Safe charging – Avoid fire risks
Incorrect charging can increase the risk of fire and damage to the phone.
• Never charge your phone under a pillow or on the bed. The battery can get hot and increase the risk of overheating.
• Always use an intact and undamaged charging cable. A broken cable can cause a short circuit.
• Unplug the charger when the phone is fully charged. Even if modern phones have overcharge protection, it's better to unplug the charger when the battery reaches about 80%.
Summary – How to charge your phone correctly
• Keep the battery between 20–80% for a longer lifespan.
• Use an MFi-certified iPhone charger or an original Samsung charger.
• Charge safely by using intact cables and avoiding overheating.
• Activate battery protection features on your phone to reduce wear.
To ensure fast and safe charging, use a good iPhone cable, Samsung cable, and a high-quality charger.
See our range of tested and safe chargers and cables at Kivero
