iPhone 17 Battery Replacement in Montreal

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How much is a new battery for the iPhone 17 in Montreal? At Sub Tech Repairs, an iPhone 17 battery replacement starts at $29, plus tax (from $20 with a used-original battery), and is often done in 10 to 30 minutes, depending on the model and parts in stock: you can wait on site. No appointment, 7 days a week from 8:30 a.m. to 9 p.m., at 757 Beaubien St. E. Free diagnostic and lifetime warranty.

On this page: price · signs of wear · the iPhone 17 battery · battery or usage? · iOS messages · FAQ

Updated October 24, 2026 — starting prices and repair times checked with the Sub Tech Repairs team.

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• iPhoneiPhone 6 to 18 Pro Max
• SamsungScreen, battery, charging port
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iPhone 17 battery replacement price in Montreal

The starting price applies to the iPhone 17; the final amount depends on the battery you choose. Other models: iPhone battery replacement cost.

Repair	Starting price (plus tax)	Often done in*
iPhone 17 battery replacement	from $29	10 to 30 minutes
Budget option: used-original battery	from $20	—
Battery and charging diagnostic	Free	No appointment needed

*Depending on the model and parts in stock. The exact price for your iPhone 17 battery is confirmed before we start: no surprise charges at the counter. Not fixed? You don’t pay for the repair.

Tired iPhone 17 battery: how to tell

According to Apple, the iPhone 17 battery is designed to retain 80% of its original capacity at 1000 complete charge cycles under ideal conditions. Past that, wear shows in daily use:

• Maximum Capacity near 80% or lower (Settings › Battery › Battery Health & Charging);
• a high cycle count: on this model it shows in Settings › Battery, along with the battery’s manufacture date;
• an iOS notice recommending battery service — Apple notes this message doesn’t indicate a safety issue;
• sudden shutdowns at 20 or 30%, especially in winter;
• a less responsive phone: iOS can limit performance peaks to avoid a shutdown;
• a lifting screen or bulging back: a swollen battery, have it checked right away.

The iPhone 17 battery at a glance

The iPhone 17 recharges through USB-C or on a MagSafe charger, and Apple designs its battery to keep 80% of its original capacity after 1000 complete cycles under ideal conditions. Settings › Battery › Battery Health shows Maximum Capacity and the cycle count, so you can judge wear with figures instead of impressions. When the battery is replaced, the iPhone records it in its parts history, and a genuine battery from another device is labeled “Used.”

The iPhone 17 charges through its USB-C port and wirelessly (MagSafe). Erratic charging doesn’t always come from the battery: a clogged port gives the same symptoms, and we check it during the diagnostic.

On this recent model, Apple shows capacity, cycle count and first-use date right in Settings: it’s the easiest way to know whether a replacement is due.

Worn battery or unusual drain? Telling them apart

Falling battery life isn’t always the battery’s fault. Check Settings › Battery first: an app running in the background, GPS or photo syncing can drain the iPhone 17. If nothing unusual shows up, it’s the battery wearing out.

In the meantime, Low Power Mode helps, without fixing wear. At the counter, the free diagnostic settles it.

Tip: On your iPhone 17, leave Optimized Battery Charging on in Settings › Battery › Charging. The iPhone learns your routine and holds the charge at 80% until shortly before you usually unplug, which reduces the time spent fully charged. Also glance at Maximum Capacity regularly to spot wear early.

iOS messages and parts on the iPhone 17

Your iPhone 17 shows in Settings › General › About whether its battery has been replaced. According to Apple, a genuine battery installed through Apple’s process is marked “Genuine”, and a battery that isn’t genuine, was modified or wasn’t verified is marked “Unknown”.

On this model, Apple also supports genuine batteries taken from another iPhone, marked “Used”. None of these messages stops you from using the phone; they mostly matter at resale. We tell you what each option will show before the repair.

If your iPhone is still covered by AppleCare+, check with Apple first: according to Apple, the battery is covered when it holds less than 80% of its original capacity. Our comparison: Apple Store or independent shop.

Your visit at 757 Beaubien St. E

1. Walk in, no appointment, 7 days a week from 8:30 a.m. to 9 p.m., one minute from Beaubien metro.
2. Free diagnostic: battery health, charging port and power usage.
3. Price confirmed for the battery you choose, before we open the phone.
4. Battery replacement, often in 10 to 30 minutes depending on the model and parts in stock.
5. Checked with you: charging, battery health in Settings and overall function.

Replace the iPhone 17 battery or get a new phone?

For most problems, yes. The iPhone 17 is compatible with iOS 27 and still gets updates; a screen or battery costs a fraction of a new phone.

The math changes when several parts are broken at once: we give you the total, no pressure. Ready to move on? We also buy damaged iPhones: sell your iPhone.

Other repairs: iPhone 17 screen and other iPhone 17 problems.

Get a quote for your iPhone 17 battery

Tell us the exact model and the problem: we reply fast, 7 days a week. The diagnostic is free and the price is confirmed before any repair. Prefer to drop by? No appointment needed.

Discounts on your iPhone 17 battery replacement

10% off for students, Greater Montréal residents, new graduates and newcomers — just mention it at the counter before your free diagnostic. Returning customers save up to 30–40% depending on the repair. One discount per repair. Details: Montreal repair discounts.

iPhone 17 battery repair: what Sub Tech Repairs guarantees you

Beyond the price, here is what’s included when you have your iPhone 17 battery repaired with us:

• Free diagnostic — The diagnostic is always free, with no obligation.
• Firm price, no surprises — The price is confirmed before we start: no surprise charges at the counter.
• An option for every budget — New original, used-original or quality compatible parts: we explain the difference and you choose.
• Often done in 10 to 30 minutes — Screen, battery and charging port often done in 10 to 30 minutes, depending on the model and parts in stock.
• No appointment, 7 days a week — Open 8:30 a.m. to 9 p.m. at 757 Beaubien St. E, one minute from Beaubien metro.
• Board-level repair — Micro-soldering and data recovery done on site, never sent out.
• No fix, no charge — If we can’t repair your device, you don’t pay for the repair.
• Lifetime warranty — Every repair comes with a lifetime warranty.
• A new problem? A fair solution — If another issue makes the repair useless, we don’t hide behind “that’s a different problem”: we find a fair solution and protect your money.

Sub Tech Repairs’ 68 commitments, at a glance

1. Customer first, profit second
2. Honest diagnosis: we tell you when a repair isn’t worth it
3. Repair before replacing, when it makes sense
4. Recommendations based on your needs, not our profit
5. Honest advice for old or heavily damaged devices
6. Options based on how long you plan to keep the device
7. We help you decide: repair, sell or replace
8. Every device treated like our own
9. Free diagnostic, always
10. Phone repairs from $29 (plus taxes)
11. Phone screen from $39
12. Phone battery from $29
13. Charging port from $39
14. Camera, speaker or microphone from $29
15. Used-original parts from $20
16. Firm price before the repair, no surprise charges
17. Several repair options before you decide
18. We explain the repair before we start
19. No fix, no charge: if we can’t repair it, you don’t pay for the repair
20. We check the device before you spend
21. Returning-customer discounts up to 30–40% depending on the repair
22. No appointment needed for most repairs
23. Screen and battery often done in 10 to 30 minutes
24. Charging port often repaired in 10 to 30 minutes
25. Camera, speaker and microphone often in 15 to 30 minutes, while you wait
26. Same day for many tablet, computer and console repairs
27. Large parts inventory on site
28. Open 7 days a week, 8:30 a.m. to 9 p.m.
29. Emergency and after-hours repairs on request
30. Fast service for students
31. Fast service for delivery drivers
32. Priority service for business owners and work phones
33. Fast service for travelers
34. 4 to 5 specialized, certified technicians on site
35. Advanced board-level diagnostics, even for dead devices
36. Motherboard and logic board repair: other shops send us their difficult boards
37. In-house micro-soldering, never outsourced
38. Liquid and water damage diagnostics and repair
39. 99% success rate, with no further damage
40. We fix the cause, not just the symptom
41. Whole-device diagnostic, not just the fault you came in for
42. Device health check available
43. Battery health checked during the diagnostic
44. Charging system checked during the diagnostic
45. Frame condition checked before screen replacement
46. Cameras, speakers and sensors tested
47. Network and SIM functions checked when needed
48. Face ID and Touch ID diagnostics
49. Full hardware test after every repair
50. A part option for every budget: new original, used-original or quality compatible
51. We help you choose the right quality: affordable repairs for older devices, premium repairs for newer ones
52. Temporary repair options
53. Every part checked before it goes in
54. Data-first repairs: we keep your data whenever possible
55. Data recovery, even from a device that won’t turn on
56. Lifetime warranty on every repair
57. After-repair support: call the technician
58. A problem after our repair? We fix it
59. We stand behind the complete result, not just the part we replaced
60. A new problem, even an unrelated one? We find a fair solution
61. Repair, refund or another solution, depending on the situation
62. We can remove the part we installed and refund it, when appropriate
63. Never stuck with an unusable device: data recovery or buyback instead of a forced extra repair
64. You don’t pay for a repair you can’t benefit from
65. We protect the customer, not just the transaction
66. Phones, tablets, MacBooks, computers and consoles under one roof
67. Buy, sell and trade phones, even damaged ones
68. Service in 10 languages

iPhone 17 battery: FAQ

Read next: all iPhone 17 repairs · iPhone 17 screen · iPhone battery replacement cost · when to replace an iPhone battery · cable, port or battery?