A replacement Li-ion battery pack for an IP15 smartphone, shown with its black printed label and two protective purple adhesive film sheets on a white background.

Aftermarket HQ | iPhone 15 | Replacement Battery | 3349mAh

Premium Battery – 3349mAh

£13.68 RRP £14.40

-5%

Aftermarket HQ | iPhone 15 | Replacement Battery | 3349mAh

Name: Aftermarket HQ | iPhone 15 | Replacement Battery | 3349mAh
Brand: TechMist
SKU: 54498237972813
Price: 13.68 GBP
Availability: InStock

Condition :

Warranty :

£13.68 RRP £14.40

-5%

Battery type Premium Battery – 3349mAh Original Reclaimed – 3349mAh Performance Battery – 3349mAh Cell Kit – No BMS – 3349mAh OEM-Style Cell Kit – No BMS – 3349mAh

In stock

Overview

Restore reliable battery performance to your Apple iPhone 15 with our range of 3349mAh replacement battery options.

This listing includes multiple battery types to suit different repair requirements, from straightforward complete replacement battery packs to advanced cell kits designed for professional BMS transfer.

Choose the required Battery Type from the available variants. Please note that BMS transfer and spot-welding variants are intended for experienced repair technicians with the appropriate equipment.

Available Battery Variants

1. Aftermarket HQ – Premium Battery

A complete 3349mAh replacement battery pack designed to provide reliable everyday performance and a straightforward replacement solution.

Specifications:

Capacity: 3349mAh
Cell Type: Li-ion
Charge Voltage: 4.48V
Cycle Life: 600–800 charge cycles
Current Cycle Count: Zero
Rated Life: 2–3 years
Condition: New
Warranty: 12 Months

2. Original Reclaimed – Genuine Battery

An original Apple battery professionally reclaimed from an iPhone and tested before resale. These batteries typically retain approximately 90%+ maximum capacity when batch tested.

Specifications:

Manufacturer: Apple
Part Number: A3018
Capacity: 3349mAh
Voltage: 3.87V
Energy: 12.98Wh
Chemistry: Li-ion
Condition: Reclaimed
Adhesive: Reapplied
Warranty: 12 Months / 80% design capacity under average load

3. Aftermarket HQ – Performance Battery

A premium complete replacement battery designed with enhanced protection and battery-management components.

Features:

3349mAh capacity
Premium protection board
Gas gauge IC chipset
Over-current protection
Over-discharge protection
Battery health calibration support
Easy-release adhesive
CE and RoHS compliant
Condition: New

4. Aftermarket HQ – Cell Kit | No BMS

A replacement battery cell without BMS, designed for technicians transferring the original battery management system.

Features:

3349mAh capacity
No BMS included
BMS transfer ready
Spot welding required
LiCoO₂ cell
Laser-welded construction
Dual nickel tabs
Wrapping kit included
Adhesive included
Condition: New

Professional installation required.

5. Aftermarket HQ – OEM-Style Cell Kit | No BMS

A professional replacement cell kit designed to retain the original BMS and provide an OEM-style appearance after installation.

Features:

3349mAh capacity
No BMS included
BMS transfer ready
Spot welding required
OEM-style wrapping kit
Laser welds
Dual nickel tabs
Adhesive included
Condition: New

Professional installation required.

Compatible Device

Apple iPhone 15

Model Numbers

A3090 | A2846 | A3089 | A3092

Free UK

Delivery

Quality

Checked

12 Months

Warranty

The TECHMIST Quality Promise

Certified devices, comprehensive warranties, and expert support. Always delivering premium technology and trusted service from our Harlow store nationwide UK.

We've Covered Your Doubts

Yes! Every phone from TECHMIST is factory unlocked and works with all UK networks including EE, O2, Vodafone, Three, and all MVNOs. They're also compatible with international networks for travel.

All devices come with a full 12-month warranty covering hardware defects. Refurbished phones also include a 30-day money-back guarantee. We're a physical store in Harlow, so you can always reach us for support.

Every refurbished device undergoes a 50-point inspection: battery health verification, screen/camera testing, connectivity checks, factory reset, and professional cleaning. Only Grade A/B/C devices that pass all tests are sold.

Absolutely! Choose "Click & Collect" at checkout. If the item is in stock at our Harlow store (18 Terminus Street, CM20 1ES), you can collect same-day. We'll notify you when it's ready.

Grade A: Like new, minimal to no signs of use, 90%+ battery health
Grade B: Very good, light cosmetic marks, 85%+ battery health
Grade C: Good, visible wear but fully functional, 80%+ battery health
All grades include full warranty and work perfectly.