🔋 Greencell — iPhone 14 Pro Max Replacement Battery
Greencell Diagnosable iPhone 14 Pro Max Replacement Battery — 4323mAh — iOS Health Compatible — Adhesive Strips Included
0-cycle full capacity. Diagnosable — works with Apple Repair Assistant. iOS battery health reporting shows correctly. 3.86V lithium polymer. CE and ROHS certified. Adhesive strips included. 12-month warranty.
🔬 Diagnosable iOS Ready 🔋 4323mAh 0-Cycle ✅ CE + ROHS Certified 🩹 Adhesive Strips Included 🇦🇺 Brisbane Stock
✅ In Stock — Ready To Dispatch 🛡️ 12-Month Warranty
📍 Shop 3A, 152 Woogaroo St, Forest Lake QLD 4078 | 0480 039 913 | Mon–Fri 9am–5pm | Sat 10am–5pm
🔋 Is Your iPhone 14 Pro Max Battery Letting You Down?
The iPhone 14 Pro Max launched in 2022. Power users who rely on it heavily for photography, video, and productivity are now seeing real degradation — especially those who charge frequently or run demanding apps daily. The phone itself is still a premium performer. A battery replacement restores the experience without the cost of replacing the device.
📉 Health Below 80%
Settings shows "Service Recommended". iOS may throttle performance to protect the weakened cell.
⚡ Sudden Shutdowns
Phone dies at 20–30%. The displayed percentage no longer reflects true remaining capacity.
🔥 Heats Up Charging
Increased internal resistance in a degraded cell generates more heat with every charge cycle.
📷 Camera Shoots Slower
The Pro Max camera system is demanding. A throttled CPU shows up first in camera performance and ProRes video.
🔌 Charging Twice A Day
A phone bought for its all-day battery life now struggles to reach afternoon without a top-up charge.
✅ The Fix: New Battery
A 0-cycle Greencell 4323mAh battery restores full capacity. iOS health reporting shows correctly after Repair Assistant.
🔬 Diagnosable — iOS Battery Health Works Correctly
The Greencell Diagnosable battery is compatible with Apple's Repair Assistant — the built-in iOS tool that pairs replacement parts.
🔴 Standard Aftermarket Battery
A standard third-party battery fails Repair Assistant. iOS shows "Unknown Part" or "Service — Battery health reporting is not supported" permanently. No health percentage. No accurate charge data.
🟣 Greencell Diagnosable BMS
The Greencell battery includes a compatible BMS chip. It passes Apple's Repair Assistant verification. iOS recognises the battery as a valid replacement and enables full health reporting.
🟢 The Result After Setup
Settings → Battery → Battery Health shows 100%. No service warnings. No "Unknown Part". iOS calibration works normally. Run Repair Assistant once after fitting — Settings → General → About → Parts → Restart & Finish Repair.
Note: If other non-genuine parts such as a screen or camera module are already installed, Repair Assistant may not fully complete. This does not affect battery function — charging, power output, and all features work normally regardless.
🏭 Why Greencell? — Brand, Quality & Certifications
Greencell is a trusted battery brand used daily by professional repair shops. Every battery is tested before dispatch — capacity, charge acceptance, and safety circuits are all verified individually. The stated 4323mAh and 16.68Wh ratings are accurate, not inflated. The 12-month warranty is backed by real confidence in their product.
✅ CE Certified
Verified compliance with European safety and electromagnetic compatibility standards — not self-applied.
✅ ROHS Certified
Free from lead, mercury, cadmium, and restricted hazardous substances. Safe to handle and dispose of through e-waste channels.
🔒 Multi-Layer Safety
Overcharge protection, overheat cutoff, short circuit protection, and temperature monitoring all built into the BMS circuit.
🧪 Individually Tested
Not batch-sampled — every unit is verified for capacity, charge acceptance, and safety circuit function before dispatch.
⚠️ Installation Notes — iPhone 14 Pro Max Battery Replacement
The iPhone 14 Pro Max opens from the front — the display must be carefully removed to reach the battery. This phone carries an IP68 waterproof rating. The display adhesive seal must be replaced correctly during reassembly to maintain water resistance. Work in a clean area. Do not rush the display resealing step.
Tools Needed (DIY)
Pentalobe P2 driver, Phillips 00, suction handle, opening picks, spudger. Heat gun or hair dryer to soften display adhesive. Display adhesive tape for resealing.
Adhesive Strips Included
Fresh pull-tab adhesive strips are included. Remove the old battery by slowly pulling each tab. Apply the new strips before seating the Greencell battery.
In-Store Installation Available
Bring your iPhone and the battery to Shop 3A, 152 Woogaroo St, Forest Lake QLD 4078. Our technicians install, reseal, and confirm 100% health before you leave.
📦 What Is Included In The Box
Everything needed for a complete iPhone 14 Pro Max battery replacement.
🔋 Greencell 4323mAh Battery
0-cycle lithium polymer. 3.86V nominal. 16.68Wh. Diagnosable — Repair Assistant compatible. CE and ROHS certified.
🩹 Adhesive Strips
Pull-tab adhesive strips sized for the iPhone 14 Pro Max battery bay. Secures the battery and allows clean future removal.
⚙️ Opening tools (screwdrivers, picks, suction) are not included. These are sold separately in our repair tools collection.
📱 Compatibility — iPhone 14 Pro Max Only
This battery fits the iPhone 14 Pro Max (6.7-inch, 2022) only. It does not fit the standard iPhone 14, the iPhone 14 Plus, or the iPhone 14 Pro. Each model uses a different battery size. Confirm your exact model before ordering.
✅ iPhone 14 Pro Max (6.7-inch, 2022)
A2651 — United States
A2893 — Canada / Japan
A2894 — International (incl. Australia)
A2895 — China mainland
A2896 — Hong Kong / Macao
❌ Does NOT Fit
iPhone 14 — different battery
iPhone 14 Plus — different battery
iPhone 14 Pro — different battery
iPhone 13, 15, or 16 series
To confirm your model: Settings → General → About → Model Number. Australian iPhone 14 Pro Max shows A2894.
🏙️
Brisbane Technical Hub
Stocked at Forest Lake QLD. In-store battery installation available at Shop 3A.
152 Woogaroo St, Forest Lake QLD 4078
🛡️
Authenticity Guaranteed
Genuine Greencell battery. CE and ROHS certified. Diagnosable Repair Assistant compatible. 12-month warranty.
📦
Reliable Dispatch
Ships within 2–4 business days from Brisbane. Safely packaged for lithium battery compliance in transit.
Frequently Asked Questions
What does "Diagnosable" mean for the iPhone 14 Pro Max battery?+
Diagnosable means the battery contains a compatible BMS chip that works with Apple's Repair Assistant. After you install the battery and run Repair Assistant (Settings → General → About → Parts → Restart & Finish Repair), iOS pairs the battery and enables full health reporting. Settings → Battery → Battery Health shows 100% from the first charge cycle. Standard aftermarket batteries without this chip fail Repair Assistant and permanently show "Unknown Part" or "Battery health reporting is not supported". The Greencell Diagnosable battery passes this check when other parts in the phone are genuine or already paired.
Will iOS battery health show 100% after installing this battery?+
Yes — after running Repair Assistant. This is a 0-cycle battery. It has never been charged before. Once installed and Repair Assistant completes, Settings shows 100% battery health with no warnings. You need iOS 16 or later to run Repair Assistant. After the tool confirms the battery, health reporting works like a genuine replacement. Allow one full charge cycle for the reading to fully stabilise.
How do I run Repair Assistant after fitting the battery?+
After installing the battery, turn the iPhone on and connect to Wi-Fi. Go to Settings → General → About. Scroll down to the Parts and Service History section. Tap "Restart and Finish Repair." The phone restarts and runs the pairing check. The process takes a few minutes. Once complete, your battery shows 100% health in Settings → Battery → Battery Health. You need iOS 16 or later. Make sure your iPhone is charged enough to complete the restart before starting.
What if Repair Assistant doesn't complete successfully?+
Repair Assistant checks all the major components in the phone — not just the battery. If other non-genuine parts such as a display or camera module are already installed, the check may not fully complete. This does not affect whether the battery works. Charging, power output, and all phone features work normally regardless. The only limitation is that battery health percentage may show as "Unknown" rather than 100% in Settings. The battery's physical performance is not impacted. If you have concerns about your specific configuration, call us on 0480 039 913 before ordering.
Does this battery fit the iPhone 14 Pro or the iPhone 14 Plus?+
No. This battery fits the iPhone 14 Pro Max only. The iPhone 14 Pro uses a smaller 3200mAh battery with different physical dimensions. The iPhone 14 Plus uses a 4325mAh battery with different physical dimensions. The standard iPhone 14 uses a 3279mAh battery. Fitting the wrong battery is a safety hazard and will not work correctly. Confirm your model in Settings → General → About → Model Number. Australian iPhone 14 Pro Max shows A2894.
Is this a genuine Apple battery?+
No. This is a Greencell branded aftermarket replacement battery, not an Apple OEM part. Apple sells genuine batteries through Apple Stores and authorised service providers at a significantly higher price. The Greencell battery matches the iPhone 14 Pro Max original specification: 4323mAh, 3.86V, 16.68Wh. It carries CE and ROHS certifications and is backed by a 12-month warranty. For repair shops and experienced DIY repairers, it delivers full iOS health reporting at a fraction of the Apple service cost.
What safety protections does the Greencell battery include?+
The Greencell iPhone 14 Pro Max battery includes four built-in protection circuits: overcharge protection cuts the charge current when the battery reaches maximum voltage; overheat protection shuts off charging if temperature exceeds safe limits; short circuit protection disconnects the battery instantly if a short is detected; and temperature monitoring tracks the cell continuously during use and charge. CE and ROHS certifications verify compliance with safety and materials standards. Every unit is individually tested before dispatch — not batch-sampled.
How difficult is the iPhone 14 Pro Max battery replacement as a DIY repair?+
The iPhone 14 Pro Max opens from the front display, which requires careful heat application, suction, and picks to separate without damage. You need a Pentalobe P2 driver for the bottom screws, a Phillips 00 for internal screws, and a spudger for connectors. The battery pulls out using the pull-tab adhesive strips once the display is safely disconnected. The main challenge is correctly resealing the display adhesive on reassembly for IP68 water resistance. For experienced home repairers with the right tools, it is an intermediate repair. Anyone not comfortable with display removal should bring the phone in to our Forest Lake store.
What does the 12-month warranty cover?+
The 12-month Greencell warranty covers manufacturing defects and battery failure under normal use after correct installation. Covered faults include failure to charge, sudden abnormal capacity loss not caused by external damage, and safety circuit failures. The warranty does not cover physical damage from incorrect installation, puncture, water ingress after fitting, or normal capacity degradation from charge cycling over time. Australian Consumer Law rights apply to all JPC Mobile purchases independently of this warranty. Warranty claims are handled at Shop 3A, 152 Woogaroo St, Forest Lake QLD 4078, or by calling 0480 039 913.
Can your Forest Lake store install this battery for me?+
Yes. JPC Mobile performs iPhone 14 Pro Max battery replacements at Shop 3A, 152 Woogaroo St, Forest Lake QLD 4078. Order this battery online, then bring your iPhone and the battery in to our store. Call ahead on 0480 039 913 to confirm a time. We are open Monday to Friday 9am–5pm and Saturday 10am–5pm. Our technicians install the battery, run Repair Assistant, reseal the display correctly, and confirm iOS health shows 100% before the phone leaves the store. Pay your way — Afterpay and Klarna available at checkout.
🏪 JPC Mobile — Greencell iPhone 14 Pro Max Battery — Brisbane
Genuine Greencell. Diagnosable Repair Assistant compatible. 4323mAh 0-cycle. 12-month warranty. Ships from Brisbane.
Walk in at Shop 3A, 152 Woogaroo St, Forest Lake QLD 4078 — in-store battery installation available.
🔬 Diagnosable iOS Ready 🔋 4323mAh 0-Cycle 🚚 Ships 2–4 Business Days
📍 Shop 3A, 152 Woogaroo St, Forest Lake QLD 4078 — Mon–Fri 9am–5pm | Sat 10am–5pm
