iPhone 15 Battery with 3349mAh 3.85V

Product Specifications:

• Model Number: iPhone 15

• Product Type: Li-ion Rechargeable Battery

• Capacity: 3349mAh

• Voltage: 3.85V

• Compatibility: Specifically for iPhone 15 (model variants A2846, A3089, A3090, A3092)

• Color: Black

• Power Efficiency: Optimized for the A16 Bionic chip; designed to retain 80% capacity at 1,000 complete charge cycles (double the lifespan of previous models).

• Battery Health Monitoring: Enhanced monitoring via Settings > Battery > Battery Health & Charging, including a specific Cycle Count display.

Charging Options:

• USB-C: The iPhone 15 uses a USB-C connector for wired charging and data.

• MagSafe: Supports wireless charging up to 15W.

• Qi2 Wireless: New support for Qi2 magnetic wireless charging up to 15W (requires iOS 17.2 or later).

• Fast Charging: Supports fast charging with a 20W or higher adapter (charges up to 50% in around 30 minutes).

Key Features:

• Improved Longevity: Features a 3349mAh capacity with advanced chemistry designed for a longer overall lifespan compared to the iPhone 14 Pro Max.

• Precise Compatibility: Tailored specifically for the iPhone 15’s internal architecture; ensure you do not use older model batteries as the connectors have changed.

• Reverse Wired Charging: The iPhone 15 can charge other devices (like AirPods or an Apple Watch) at 4.5W via the USB-C port.

• Premium Quality: Built with high-density cells to maintain peak performance and safety standards.

Installation Tips:

• Verify Compatibility: Ensure the battery is for the iPhone 15 (3349mAh).

• Internal Access: The iPhone 15 has a redesigned internal structure with a removable back glass, making battery access easier but requiring care with the new seals.

• Use Proper Tools: Precision USB-C port protection and specialized suction tools are needed to open the device without damaging the OLED display.

• Clean Workspace: Work in a static-free zone to protect the A16 Bionic chip and the sensitive Dynamic Island sensor array.

• Professional Assistance: For repairs in Chennai, visit our Porur lab to ensure the waterproof seals are professionally reapplied and software warnings are managed.

Battery Care Tips:

• Charge Limit: Use the new "80% Limit" feature in settings to stop charging at 80% and significantly extend the battery's total lifespan.

• Cycle Count Tracking: Check your cycle count in Settings > General > About to monitor how much "life" your battery has left.

• Certified Cables: Use high-quality USB-C cables to ensure stable power delivery and prevent damage to the charging port.

• Temperature Control: Avoid charging in high-heat environments (like a car dashboard in the sun), as the iPhone 15 is sensitive to thermal degradation.
  
  

Service Pack Battery

• Warranty Period: 1 year
• Status Benefits: No "Important Battery Message" or "Unable to verify" pop-ups in settings.
• Genuine Recognition: Recognised as a "Genuine Apple Part" by the device software.
• Health Display: Automatically shows 100% Maximum Capacity without extra modification.
• Installation: Standard professional installation with no IC transfer required.

iPhone 15 Battery Replacement FAQs

1. How do I know when it’s time to replace my iPhone 15 battery?

You should consider replacing your iPhone 15 battery if your Maximum Capacity drops below 80%, which is when noticeable performance degradation begins.

Other common signs include:

• Battery draining quickly
• Unexpected shutdowns around 20–30%
• Slower performance due to iOS power management

You can check your battery health in:
Settings → Battery → Battery Health & Charging

2. What is the difference between the Service Pack and Standard Grade battery?

We offer two options based on your needs:

Service Pack Battery (Premium):

• Fully calibrated with pre-programmed BMS
• Shows 100% Battery Health without errors
• No “Important Battery Message”
• Easy installation (no extra work)
• 1-year warranty

Standard Grade Battery:

• Budget-friendly option
• Reliable performance and backup
• Shows “Unknown Part” message
• Battery Health hidden unless chip transfer is done
• 6-month warranty

3. Why does an iPhone show an "Unknown Part" message after replacement?

Apple uses a component authentication system that links original parts to the logic board via a microchip.

If a new battery is installed without transferring the original BMS chip, the system cannot verify it, resulting in an “Unknown Part” or “Important Battery Message.”

This does not affect safety or performance.

Our Service Pack Battery avoids this issue completely.

4. Will the Standard Grade battery show Battery Health?

No, not by default.

To enable Battery Health:

• A technician must transfer the original BMS IC chip
• This requires micro-soldering and programming

Without this process, Battery Health will remain hidden.

For a simple installation with full visibility, choose the Service Pack Battery.

5. How can I protect my new iPhone 15 battery?

To maximize battery life (~3349mAh capacity), follow these tips:

• Avoid extreme heat (cars, sunlight)
• Keep charge between 20%–80%
• Avoid overcharging after 100%
• Use quality chargers (20W+ fast charger, MagSafe, or Qi wireless)

6. Do I need to back up my data before replacement?

Yes. While a standard battery swap usually does not result in data loss, we strongly recommend performing a full iCloud or computer backup before any hardware service.

This is especially important if you are opting for the Standard Grade battery, as chip-level repair (BMS transfer) involves slightly higher technical risk.

Frequently Asked Questions

1. Is this compatible with my iPhone?
This product is listed for: iPhone 15 Battery with 3349mAh 3.85V. Please compare this against your exact device model before ordering, and contact us first if you are unsure.

2. How soon will my order ship?
Orders are processed and shipped promptly once payment is confirmed. You will receive a tracking number by email as soon as your order is dispatched.

3. Why buy this part from SparesOnly.in?
Every part we sell is checked before dispatch, and our support team is available if you need help with fitting or compatibility after your purchase.

4. Do you ship across India?
Yes, we deliver nationwide - from Jammu to Kanyakumari, we ship to every corner of India.

5. What should I check before placing my order?
Please confirm your exact device model matches this listing before ordering. Contact our support team first if you are not sure.