iPhone 14 Pro Max Battery Replacement | 4323–4325mAh | Aftermarket HQ

Premium Battery Pack – 4325mAh

£21.28 RRP £22.40

-5%

iPhone 14 Pro Max Battery Replacement | 4323–4325mAh | Aftermarket HQ

Name: iPhone 14 Pro Max Battery Replacement | 4323–4325mAh | Aftermarket HQ
Brand: TechMist
SKU: 54493131309389
Price: 21.28 GBP
Availability: InStock

Condition :

Warranty :

£21.28 RRP £22.40

-5%

Battery type Premium Battery Pack – 4325mAh Premium Performance Battery – 4323mAh Connect Battery Cell – Built-In Flex – 4323mAh Battery Cell Kit – Spot Weld / No BMS – 4323mAh Premium Battery Cell Kit – Spot Weld / No BMS – 4323mAh

In stock

Overview

Choose the right Aftermarket HQ battery replacement for iPhone 14 Pro Max, with multiple options designed for standard battery replacement, professional BMS transfer and advanced repair applications.

Available configurations include complete premium battery packs, a built-in flex solution that eliminates the need for spot welding, and battery cell kits designed for technicians transferring the original BMS.

All options are supplied new and are designed specifically for the iPhone 14 Pro Max.

Available Options

Premium Battery Pack – 4325mAh

A high-quality complete replacement battery designed to provide dependable everyday performance and OEM-style fitment.

Capacity: 4325mAh
Voltage: 4.47V
Chemistry: Li-ion
Condition: New
Adhesive: Included
Warranty: 6 Months

Premium Performance Battery – 4323mAh

Premium-performance replacement battery featuring quality protection circuitry and reliable power delivery.

Capacity: 4323mAh
Energy: 16.64Wh
Voltage: 3.85V
Condition: New
Adhesive: Easy-release adhesive included
Warranty: 6 Months

Features include premium protection boards, gas-gauge IC technology, over-current/discharge protection and battery-health calibration support.

Connect Battery Cell – Built-In Flex – 4323mAh

Designed for professional repairers looking to transfer the original BMS without spot welding.

Its built-in flex design allows the original BMS to sit correctly within the battery assembly while helping retain battery-health functionality and address non-genuine battery warnings when installed correctly.

Capacity: 4323mAh
BMS: Original BMS transfer required
Spot Welding: No
Condition: New
Adhesive & Installation Tapes: Included
Warranty: 6 Months

Professional installation recommended.

Battery Cell Kit – Spot Weld / No BMS – 4323mAh

Replacement battery cell designed for technicians transferring the device's original BMS.

Capacity: 4323mAh
BMS Included: No
BMS Transfer Ready: Yes
Spot Welding Required: Yes
Condition: New
Adhesive: Included
Warranty: 6 Months

Includes an OEM-style wrapping kit, laser-welded construction and dual nickel tabs.

Premium Battery Cell Kit – Spot Weld / No BMS – 4323mAh

Premium cell-only solution designed for professional BMS-transfer repairs.

Capacity: 4323mAh
Cell Type: LiCoO2
BMS Included: No
BMS Transfer Ready: Yes
Spot Welding Required: Yes
Condition: New
Wrapping Kit: Included
Adhesive: Included
Warranty: 6 Months

Compatibility

Apple iPhone 14 Pro Max

A2894
A2651
A2893
A2895

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.