
Is your iPhone battery draining fast, even when you’re barely using your phone? You’re not alone. Whether it’s a sudden drop in battery percentage or the need to charge multiple times a day, it can be frustrating — especially when your iPhone is supposed to last all day.
At Ask Computers, we specialize in diagnosing and fixing battery issues across all iPhone models. In this post, we’ll break down the most common reasons your iPhone battery is dying quickly, how to check your battery health, and what we can do to fix it.
Why Is My iPhone Battery Draining So Fast?
There are several reasons why your iPhone might be losing battery faster than normal. Understanding these can help you determine whether it’s a software issue, a setting, or a failing battery.
1. Aging Battery
All batteries have a lifespan. Over time, the lithium-ion battery in your iPhone loses capacity. Apple considers a battery “worn” when its maximum capacity drops below 80%. This causes faster drain and shutdowns even at high percentages.
2. iOS Updates or Bugs
After a major iOS update, some users experience temporary battery drain due to background processes, reindexing, or new features consuming power. Occasionally, bugs in the software can cause abnormal drain.
3. Background App Activity
Apps running in the background like Facebook, WhatsApp, or GPS apps can quietly consume battery. If you’re not closing apps or disabling background refresh, this could be a reason your iPhone battery drains fast.
4. Poor Charging Habits
Using cheap or unofficial charging cables can degrade your battery health over time. Regular overcharging (keeping it plugged in overnight) also affects battery performance.
5. Hardware Issues
If your battery is swollen, or your iPhone gets hot during charging or usage, there could be a deeper hardware issue. Faulty logic board components or damage from drops or water can lead to rapid battery drain.
How to Check Your iPhone Battery Health
Not sure if your battery is the problem? Apple makes it easy to check:
- Go to Settings > Battery > Battery Health & Charging
- Look at the Maximum Capacity percentage
- If it’s under 80%, you’ll likely see a message saying “Service Recommended”
This is a clear sign that your battery is no longer performing as it should and a battery replacement is the best solution.
Quick Fixes to Improve Battery Life
Before jumping into a repair, try these tips to improve your iPhone’s battery life:
- Turn off Background App Refresh:
Settings > General > Background App Refresh - Enable Low Power Mode:
Settings > Battery > Low Power Mode - Disable Location Services for Unused Apps:
Settings > Privacy > Location Services - Lower Your Brightness or enable Auto-Brightness
- Update to the Latest iOS Version
These can provide temporary relief, but if your iPhone battery keeps draining fast, it’s time to consider a professional repair.
How Ask Computers Can Fix Your iPhone Battery Issues
At Ask Computers, we’ve helped thousands of Toronto customers with fast, affordable iPhone battery replacements. Here’s how we make it easy:
Free Diagnosis – We’ll inspect your battery health and explain the issue in simple terms
Fast Turnaround – Most battery replacements are done within 30–60 minutes
High-Quality Batteries – We use premium-grade batteries that match original performance
Warranty Included – We back our repairs with a warranty for your peace of mind
Expert Technicians – Our repair team is experienced with all iPhone models from iPhone 6 to iPhone 15 Pro Max
No matter what’s causing your iPhone’s battery to die quickly, we’ll find the solution and get your phone back to lasting all day again.
Visit Us in Toronto or Book Online
If you’re tired of carrying your charger everywhere or losing power before lunchtime, let us help.
Don’t Let a Weak Battery Slow You Down
A fast-draining iPhone battery can affect everything from productivity to emergency access. You don’t have to live with it. Let Ask Computers breathe new life into your iPhone with a professional battery replacement, so you can stay connected longer.

