How long does your smartphone battery last each year? Guide and tips
Share
How Much Health Does Your Smartphone Battery Lose Each Year? Ipertech Guide and Tips
Lithium-ion batteries power our smartphones, but they degrade over time. In this article, we explain how much capacity deteriorates over a year, how to slow the process, and where to find the best batteries and accessories on Ipertech.it.
How much does a smartphone battery degrade in a year?
Studies and testimonials show that a battery begins to degrade after just a few months of use. On average, battery health decreases by 1% per month , resulting in a residual capacity of 88–90% after 12 months.
Reliable sources indicate a battery health loss of between 5% and 10% per year .
Recent models:
- iPhone 14 and earlier : About 80% capacity after 500 charge cycles.
- iPhone 15 and later : Same capacity remaining after 1,000 cycles.
Why do some batteries last longer than others?
Battery health depends on several factors:
- Heat : Charging under stress or using wireless chargers can cause faster degradation.
- Charging cycles : Completing frequent cycles accelerates deterioration through wear accumulation.
- Charging habits : Charging beyond 90% or discharging to 1% can stress the battery's internal chemistry.
Tips for maintaining battery health
- Keep the charge between 20% and 80%.
- Avoid overcharging or completely discharging.
- Avoid overheating while charging.
- Use original chargers or

When is it worth replacing the battery?
Apple recommends replacing your battery when it drops below 80% of its maximum capacity.
Avoid buying a new smartphone if the problem can be solved with a new battery: it costs less and remains efficient.
Protect your smartphone from accidental damage
Visit our collections for deals on smartphones, charging tools, and support.
In summary
A smartphone battery loses an average of 5–10% per year, but this degradation can be slowed with good charging and care habits. If necessary, replacing the battery is a cost-effective alternative to replacing the device.