Best Phone Batteries for iPhone 11 Pro Max of 2026

Mike Davis Avatar
Mike Davis
Last Updated: Jan 9, 2026

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The iPhone 11 Pro Max is a powerful device that requires a battery capable of keeping up with its demands. Luckily, there are a variety of phone batteries available for the iPhone 11 Pro Max that can provide extended battery life and fast charging capabilities. These batteries come in various sizes and capacities, allowing users to choose the one that best suits their needs. Some even come with additional features such as wireless charging and battery level indicators. With the right phone battery, iPhone 11 Pro Max users can enjoy longer battery life and uninterrupted usage throughout the day.

At a Glance: Our Top Picks

LL TRADER Battery for iPhone 11, 15000 mAh High Capacity Replacement Battery Cover #TOP 1
LL TRADER Battery for iPhone 11, 15000 mAh High Capacity Replacement Battery
ftb score rating icon 9.8
Luuzkla 18800mAh Battery Compatible with iPhone 11 PRO MAX Cover #TOP 2
Luuzkla 18800mAh Battery Compatible with iPhone 11 PRO MAX
ftb score rating icon 9.7
EMNT Battery for iPhone 11 Cover #TOP 3
EMNT Battery for iPhone 11
ftb score rating icon 9.5

Top 5 Phone Batteries for iPhone 11 Pro Max

#TOP 1

LL TRADER Battery for iPhone 11, 15000 mAh High Capacity Replacement Battery

BE11B
11-15000
11-15000
LL TRADER Battery for iPhone 11, 15000 mAh High Capacity Replacement Battery Cover
LL TRADER Battery for iPhone 11, 15000 mAh High Capacity Replacement Battery for iPhone 11 (A2111, A2223, A2221) with Full Set Repair Tool Kit 2025 New Model

Features
[High Capacity] - 15000 mAh High Capacity, Greater Than What The Original iPhone 11 Battery Has, Which Means You Don't Have To Charge Your iPhone As Frequently As You Used To Be.
[Compatible Model] - This Battery Is Only Compatible With iPhone 11(NOT FOR IPHONE 11 PRO And PRO MAX), A2111, A2223, A2221. Please Confirm Your iPhone Model Before Purchase. (Check Your iPhone Model At The Following Steps: Settings--General--About--Model Name)
[Protection For Safety] - Built-In New Upgrade Smart Tech IC Chip To Prevent Over-Charging, Over-Heating, Short-Circuiting, Etc For Safety.
[Package Includes] - Brand New Battery Replacement For iPhone 11, All Required Tool Kits To Replace The Battery.Please Watch The Video On Youtube Before Install The Battery.
[Long Lasting] - Brand New 0 Cycle Battery, Designed And Tested To Last Over 1000 Cycles. Charging Speed And The Power Conversion Rate Increase By 90% With New Technology.
#TOP 2

Luuzkla 18800mAh Battery Compatible with iPhone 11 PRO MAX

11Pro Max
11 Pro Max-18800
Luuzkla 18800mAh Battery Compatible with iPhone 11 PRO MAX Cover
Luuzkla 18800mAh (2025 New Upgrade) Battery Compatible with iPhone 11 PRO MAX, Super Capacity Battery Replacement Compatible with iPhone 11 PRO MAX, with Full Tool Kits-0 Cycle-24 Months Service

Features
[Battery Compatible With iPhone 11 PRO MAX] This Super Capacity Battery Is Compatible Compatible With iPhone 11 PRO MAX A2161,A2220,A2218. With The High-Tech Integrated Battery Cells, This Battery Compatible With iPhone 11 PRO MAX Features A Much Higher Capacity——18800mAh While With The Same Size As The Original. (Not Compatible With Other Phone Models). The Exact Model Number Can Be Found On The Back Of Your Phone.
[18800mAh High Capacity] 18800mAh Super Battery Compatible With iPhone 11 PRO MAX Power More Than Original Or Other Battery. Brand New 0 Cycle, Last Over 2000 Cycles. Make Your Phone 11 PRO MAX Last Longer And Reduce Your Recharging Times. Say Goodbye To The Trouble Of Insufficient Old Batteries!
[Safe And Secure Battery] To Choose A Battery Replacement Compatible With Your iPhone 11 PRO MAX, Safety Must Be Your First Concern, Which Is Also Our Top Priority. 100% New High Quality Updated Battery Compatible With iPhone 11 PRO MAX, Uses Grade A+ Battery Cells With UL 2054 And ILAC ISO 17025 Standard Certified, Each Battery Comes With A Tested Under Strict Quality Control Standard, And Built-In IC Chip To Prevent From Over-Charging, Over-Heating And Other Defects.
[Great Customer Servicel] 24 Months Return And Exchange Service. If You Are Not Satisfied With Our iPhone 11 PRO MAX Battery, We Have A Perfect After-Sale Team To Help You, So You Don't Need To Worry About Anything About After-Sale. We Hope You Will Have A Pleasant Shopping Experience.
[Contains Professional Repair Tool Kits] We Offer High Quality Repair Tools Kit For Bettery Installation. If You Want To Replace The Battery More Easily, Highly Recommended Relevant Videos Of Replacing The Battery On YouTube.
#TOP 3

EMNT Battery for iPhone 11

MNT07
for iPhone 11
EMNT Battery for iPhone 11 Cover
EMNT Battery for iPhone 11 (2025 New Version), (Model:A2111, A2221, A2223) High Capacity Than Others Replacement Battery with Complete Repair Tool Kit and Instructions S.

Features
[HIGHER CAPACITY] : Large Capacity 15000mAh Lithium Polymer Battery, Which Increases Battery Life And Cycle Time. New 0 Cycle Battery Cell Capacity Is Upgraded To Store More Power, Bring More Standby Time, Increasing Battery Life And And Reduce Your Recharging Times.
[COMPATIBLE MODELS] : Compatible With iPhone 11 (model:A2111, A2221, A2223) Only, Not For iPhone 11 Pro/ 11 Pro Max Or Other Models. Check The Model Number On The Back Of Your Phone. Please Kindly Check Your Phone Model On The Back Of Your Phone Before Purchasing.
[SATISFACTION GUARANTEE] : 36 Months Warranty, 40 Days Money Back, If You're Not Satisfied With Our Product Within 3 Months Of Purchase, We Will Refund You Or Send You A Replacement Within Warranty. If You Have Any Questions, You Can Contact Us In Time. We Will Provide You With Satisfactory Service.
[HIGH QUALITY And MULTI-PROTECTION For SAFETY] : Each Battery Tested Under Strictly Quality Control Standards Before Shipping. Built-In Smart Chip To Prevent Over Charging, Over Discharging And Overheating Protection, Short Circuit Protection, High Safety Performance, Long Service Life.Brand New 0 Cycle. Sustainable 1900 Charging Cycles. UL, FCC, CE And RoHS Certificated. No Need To Worry About Any Quality Problems Or Safety Issues After Purchasing.
[EASY INSTALLATION AND TIPS] : You Can Easily And Quickly Replace Batteries With The Attached Toolkit And Instruction Manual. Before Disassembly, Please Carefully Watch Some Relevant Video On YouTube Guide For Battery Replacement. Please Remember That Its Full Performance And Longevity Is Only Achieved After 3 To 5 Complete Charge And Discharge Cycles.
#TOP 4

EMNT iPhone 12 Battery Replacement High Capacity Than Others Replacement Battery

MNT07
EMNT iPhone 12 Battery Replacement High Capacity Than Others Replacement Battery Cover
EMNT iPhone 12 Battery Replacement (Model:A2403,A2404,A2172,A2402) High Capacity Than Others Replacement Battery with Complete Repair Tool Kit and Instructions

Features
[HIGHER CAPACITY] : Large Capacity 15000mAh Lithium Polymer Battery, Which Increases Battery Life And Cycle Time. New 0 Cycle Battery Cell Capacity Is Upgraded To Store More Power, Bring More Standby Time, Increasing Battery Life And And Reduce Your Recharging Times.
[COMPATIBLE MODELS] : Compatible With iPhone 12 (model:A2403,A2404,A2172,A2402) Only, Not For iPhone 11 Pro/ 11 Pro Max Or Other Models. Check The Model Number On The Back Of Your Phone. Please Kindly Check Your Phone Model On The Back Of Your Phone Before Purchasing.
[SATISFACTION GUARANTEE] : 36 Months Warranty, 40 Days Money Back, If You're Not Satisfied With Our Product Within 3 Months Of Purchase, We Will Refund You Or Send You A Replacement Within Warranty. If You Have Any Questions, You Can Contact Us In Time. We Will Provide You With Satisfactory Service.
[HIGH QUALITY And MULTI-PROTECTION For SAFETY] : Each Battery Tested Under Strictly Quality Control Standards Before Shipping. Built-In Smart Chip To Prevent Over Charging, Over Discharging And Overheating Protection, Short Circuit Protection, High Safety Performance, Long Service Life.Brand New 0 Cycle. Sustainable 1900 Charging Cycles. UL, FCC, CE And RoHS Certificated. No Need To Worry About Any Quality Problems Or Safety Issues After Purchasing.
[EASY INSTALLATION AND TIPS] : You Can Easily And Quickly Replace Batteries With The Attached Toolkit And Instruction Manual. Before Disassembly, Please Carefully Watch Some Relevant Video On YouTube Guide For Battery Replacement. Please Remember That Its Full Performance And Longevity Is Only Achieved After 3 To 5 Complete Charge And Discharge Cycles.
#TOP 5

GOBAT Replacement for iPhone 11 Battery

GOBAT Replacement for iPhone 11 Battery Cover
GOBAT Replacement for iPhone 11 Battery,5000mAh High Capacity Battery for iPhone 11 Model (A2111 A2221 A2223) with Replacement Tool Kits

Features
{MORE POWER & 0 CYCLE}:5000mAh High-Capacity iPhone 11 Replacement Battery Has More Power Than Original/ Other Battery, More Time To Use Your Phone. Brand New 0 Cycle, Built To Last Up To 1000 Charging Cycles To Provide Longer Battery Life.
{COMPATIBLE MODELS}:This Replacement Battery Compatible With iPhone 11 (Model: A2111 A2221 A2223).(Note: NOT Compatible With iPhone 11 PRO, 11 PRO MAX Or Other iPhone Model).
{SAFE & QUALITY}:This Upgraded iPhone 11 Replacement Battery Uses Grade A-Rated Battery Cells. What Can Protect Both Users And Devices Is That The Built-In Ic Chip, Which Prevents The Battery From Over-Charging, Short-Circuiting, And Overheating.
{EASY INSTALLATION}:Full Repair Kits, Detailed User Manual Provided. Before Disassembly, Please Carefully Watch Some Relevant Video On YouTube Guide For Battery Replacement. Please Remember That Its Full Performance And Longevity Is Only Achieved After 3 To 5 Complete Charge And Discharge Cycles.
{24-HOURS RESPONSE}:If You Meet Any Problems During The Purchase And Use Of The Product,please Feel Free To Contact Us At Any Time. Please Click On”Gobat” Next To “Sold By”, Then Click On “Ask A Question” To Contact Us, We Will Reach Out To You Within 24 Hours.
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Can iPhone 11 Pro Max battery be replaced?

Yes, the iPhone 11 Pro Max battery can be replaced. Apple offers a battery replacement service for a fee. However, the warranty does not cover batteries that wear down from normal use. If you have AppleCare+ and your product's battery holds less than 80% of its original capacity, you may be eligible for a battery replacement at no additional cost.

2. When should I replace my 11 Pro Max battery?

It is recommended to replace your iPhone 11 Pro Max battery when it holds less than 80% of its maximum capacity. You can check your battery's health by going to Settings and then Battery Health.

3. What battery does iPhone 11 Pro Max use?

The iPhone 11 Pro Max is equipped with a 15.04 Wh (3,969 mAh) battery. This is a slight increase from the previous model, the iPhone XS Max, which had a 12.08 Wh (3,174 mAh) battery.

4. Is it worth it to replace iPhone 11 Pro battery?

If your iPhone 11 Pro battery health is less than 80% and you are experiencing lower screen-on-time or frequent app crashes, it is recommended to replace the battery. A new battery can improve performance and resolve these issues.

5. Can I replace iPhone battery myself?

Yes, you can replace your iPhone's battery yourself. Apple provides a self-repair program where you can order spare parts, tools, and how-to manuals to perform the battery replacement.

6. Can you replace iPhone 11 Pro battery yourself?

Yes, you can replace the iPhone 11 Pro battery yourself through Apple's self-repair program. This program allows you to order the necessary spare parts, tools, and manuals directly from Apple.

Editor's Notes

During our phone battery for iphone 11 pro max research, we found 24 phone battery for iphone 11 pro max products and shortlisted 5 quality products. We collected and analyzed 29,785 customer reviews through our big data system to write the phone batteries for iphone 11 pro max list. We found that most customers choose phone batteries for iphone 11 pro max with an average price of $20.14.

The phone batteries for iphone 11 pro max are available for purchase. We have researched hundreds of brands and picked the top brands of phone batteries for iphone 11 pro max, including LL TRADER, Luuzkla, EMNT, GOBAT. The seller of top 1 product has received honest feedback from 70 consumers with an average rating of 4.8.

Written by
Mike Davis Avatar

Mike Davis is a professionally trained electrician with six years of working experience in the electronics industry. He has written an array of web and mobile-based articles for e-magazines and blogs. He loves trying out some novel and popular gadgets and his expertise is in the areas of electronics and computers which is built over many years of working and personal experiences.