By Dan Harrington 
Whatever you do, the iPhone battery has a . By the time it ages, the battery starts to slow down. So, a full charge would not last as long. Most iPhone batteries are good for 2-3 years, or even longer. Yet, how do you know the right time for iPhone battery replacement?
How does the iPhone battery work?
The iPhone runs on rechargeable lithium-ion batteries. These batteries charge fast and pack more power with a lighter battery. In comparison, the old iPhones are more prone to battery issues than the new ones, which are built with cutting-edge features, compensating for poor battery health. All batteries degrade over time.
When you experience an unexpected shutting down and can’t get through a day for merely a single charge, you might have battery problems. When you experience battery issues, you need to look for battery replacement. Check your iPhone model and the right battery for a particular iPhone model.
Check iPhone battery health
Ensure that you check the health of your iPhone battery before doing a battery replacement. Check that the phone is charged. Go to Settings, next to Battery and Battery Health. Here you will find info on:
1. Max capacity
2. Performance capability
3. Important battery messages
4. When to change iPhone battery
You can take a closer look at what to find. If your iPhone can’t upgrade, you may contact an expert for help.
Battery’s maximum capacity
It is where you will find a clear indication of what you need for battery replacement. The percentage measures the phone’s battery capacity more than a brand-new new. The battery percentage starts at 100% and when the battery ages, the capacity decreases. As a result, you will get fewer hours. Once you have a maximum capacity of over 80%, your battery is healthy.
Where to buy iPhone battery
You can buy an iPhone battery online. Authorized service providers have been authorized by Apple to replace iPhone batteries with genuine Apple parts. When purchasing an iPhone battery, ensure it is compatible with your specific iPhone model and generation. Consider the warranty or return policy offered by the seller, these will ensure you have recourse in case the battery, especially when defective or doesn’t meet your expectations.
If possible, opt for natural Apple batteries or high-quality third-party replacements to ensure the best performance and safety for your device. Plus, the warranty can still be availed without any problem like an unfunctional battery that can be replaced.