AMPSENTRIX Basic Replacement Battery for Apple iPhone 11, 11 Pro, and 11 Pro Max
Restore dependable everyday battery performance on a compatible Apple iPhone 11 series device with an AMPSENTRIX Basic replacement battery.
The AMPSENTRIX Basic line is a standard-capacity aftermarket battery option designed for customers and repair professionals seeking a practical, cost-effective replacement for an aged, depleted, swollen, damaged, or unreliable original battery.
Each iPhone 11 series model uses a specific battery shape, connector, and capacity configuration. Select the exact phone model before ordering, as these batteries are not interchangeable.
For differences between Pro & Basic, please read this.
Compatible Models
Apple iPhone 11
Apple iPhone 11 Pro
Apple iPhone 11 Pro Max
Please confirm the exact model number under Settings > General > About before ordering.
Available Options
- AMPSENTRIX Basic replacement battery for iPhone 11
- AMPSENTRIX Basic replacement battery for iPhone 11 Pro
- AMPSENTRIX Basic replacement battery for iPhone 11 Pro Max
Select the exact option for the device being repaired.
The iPhone 11, iPhone 11 Pro, and iPhone 11 Pro Max use different batteries. Similar appearance or shared product generation does not indicate interchangeability.
AMPSENTRIX Basic Series
The AMPSENTRIX Basic series is intended as an affordable standard-capacity replacement battery.
Typical product characteristics include:
- Standard-capacity battery configuration
- Zero-cycle battery cell
- OEM-style Texas Instruments gas-gauge chip
- Preinstalled battery adhesive
- Model-specific battery connector and physical layout
- Integrated battery-management and protection circuitry
- Aftermarket replacement construction
- Suitable for routine battery replacement
- Professional installation strongly recommended
The Basic series is not an Apple genuine battery and should not be represented as original Apple equipment.
Key Features
- Model-specific replacement lithium-ion battery
- Designed to restore practical everyday battery runtime
- May reduce unexpected shutdowns caused by an aged battery
- May improve stability when the original battery cannot provide consistent power
- Suitable for replacing a depleted, swollen, damaged, or unreliable battery
- Zero-cycle replacement cell
- Preinstalled battery adhesive
- Integrated battery-management and protection circuitry
- Standard-capacity replacement option
- Cost-effective alternative to replacing the complete phone
- Professional installation strongly recommended
- Inspected or tested before shipment when applicable
Common Battery-Failure Symptoms
Replacement may be appropriate when the device:
- Has significantly reduced battery runtime
- Requires charging several times per day
- Shuts down unexpectedly
- Shuts down while reporting remaining battery percentage
- Restarts under load
- Charges unusually slowly
- Loses battery percentage rapidly
- Becomes unusually warm during light use
- Has difficulty powering on
- Displays a battery-service warning
- Has a swollen or physically expanded battery
- Experiences performance limitations caused by an aged battery
- Operates normally while connected to power but shuts down when disconnected
These symptoms may also be caused by:
- Charging-port failure
- Damaged charging accessories
- Logic-board faults
- Charging-control circuit problems
- Power-management circuit failure
- Excessive background activity
- Software problems
- Liquid damage
- Poor cellular signal
- Another defective component
Proper diagnosis is recommended before replacing the battery.
Product Quality Notes
This is an AMPSENTRIX Basic aftermarket replacement battery.
It is not a genuine Apple battery and is not removed from a new Apple device.
Battery runtime and long-term consistency may vary depending on:
- Device condition
- Screen brightness
- Cellular signal strength
- Installed applications
- Background activity
- Charging habits
- Operating temperature
- iOS version
- Logic-board condition
- Battery age and production batch
A replacement battery may improve runtime and stability, but it cannot correct excessive power consumption caused by software, damaged circuitry, poor signal conditions, or another defective component.
Actual battery runtime cannot be guaranteed because usage patterns and device conditions vary.
Standard-Capacity Notice
The AMPSENTRIX Basic series is intended as a standard-capacity replacement.
It is not marketed as an extended-capacity battery unless the selected product option specifically states otherwise.
Published or labelled capacity may differ slightly between production revisions. Product packaging and the battery label should be treated as the applicable specification for the supplied component.
Claims of substantially higher capacity in a battery occupying the same physical space should be evaluated carefully.
Battery Health and Apple Parts Notice
Apple may associate battery-management information with the device’s original battery components.
Depending on the iPhone model, iOS version, battery configuration, installation procedure, and whether original battery-management components are transferred or programmed:
- A battery-related notification may appear
- An “Unable to verify” or similar message may be displayed
- Battery Health information may be unavailable
- Maximum Capacity may not display normally
- Parts and Service History may record the battery replacement
- Battery information may not match the original factory configuration
- Additional programming or component transfer may be required
A battery-related notification does not necessarily mean that the replacement battery is defective.
Restoring supported Battery Health information may require specialized programming, transfer of original battery-management components, or additional repair procedures.
These procedures are not included with the battery unless specifically stated.
Installation Notes
Professional installation is strongly recommended.
Battery replacement requires opening the device and handling a lithium-ion cell near delicate internal components.
Improper handling may damage:
- LCD or OLED display
- Display flex cables
- Battery connector
- Logic board
- Charging port
- Wireless charging assembly
- Cameras
- Face ID-related components
- Internal antennas
- Surrounding flex cables
Before final installation:
- Confirm the exact iPhone model
- Compare the replacement battery with the original component
- Inspect the battery for dents, punctures, swelling, or shipping damage
- Disconnect the original battery before disconnecting other internal components
- Avoid bending, puncturing, crushing, or twisting the battery
- Remove the original battery adhesive carefully
- Do not use sharp metal tools beneath the battery
- Keep excessive heat away from the battery cell
- Confirm that the battery connector aligns correctly
- Test charging before sealing the device
- Confirm that the phone powers on normally
- Check for unexpected restarting
- Monitor battery temperature during initial testing
- Confirm wired and wireless charging
- Test cameras, speakers, microphones, Face ID, and cellular connectivity
- Confirm that no internal component is trapped beneath the battery
- Ensure the battery lies flat before reinstalling the display
Never install a battery that is punctured, bent, crushed, leaking, swollen, or otherwise physically damaged.
Do not reuse damaged or contaminated battery adhesive.
Battery Adhesive Notice
AMPSENTRIX batteries are generally supplied with preinstalled battery adhesive.
Included adhesive may vary by model, supplier, or production batch.
The battery adhesive is intended to secure the battery inside the housing. It is not a replacement display seal and does not restore water resistance.
Before installation:
- Clean the battery mounting area
- Remove old adhesive residue
- Confirm the battery is correctly positioned
- Avoid covering connectors, cables, or screw locations
- Do not press excessively on the battery cell
- Ensure removal tabs remain accessible where applicable
A replacement display seal is not included unless specifically stated.
Lithium-Ion Battery Safety
Lithium-ion batteries can present a fire, burn, smoke, or chemical hazard when mishandled.
Do not:
- Puncture the battery
- Bend or crush the cell
- Expose it to fire
- Apply excessive heat
- Short the terminals
- Use metal tools carelessly around the connector
- Install a damaged or swollen battery
- Leave the device unattended during initial charging
- Dispose of the battery in household garbage
Stop using the device and disconnect it from power if the battery:
- Swells
- Smokes
- Leaks
- Produces an unusual odour
- Becomes excessively hot
- Makes unusual sounds
A removed lithium-ion battery should be taken to an appropriate battery-recycling or hazardous-waste facility.
Initial Charging and Calibration Guidance
After installation:
- Charge the device using a known-good cable and suitable power adapter
- Confirm that charging begins normally
- Monitor the device for unusual heat
- Allow the displayed battery percentage to stabilize
- Use the device normally through several charging cycles
- Avoid repeated intentional deep discharge
- Keep the device away from extreme heat and cold
- Update iOS where appropriate
- Review battery usage for unusually power-intensive applications
A newly installed battery may require several normal charging cycles before percentage reporting becomes fully consistent.
Repeatedly draining a lithium-ion battery to zero is not required and may contribute to unnecessary wear.
Water-Resistance Notice
Opening the device compromises the original factory seal.
A replacement display adhesive seal may help reduce exposure to dust and incidental moisture, but original water resistance cannot be restored or guaranteed after repair.
Battery adhesive does not replace the perimeter display seal.
Avoid exposing a repaired device to water, steam, high humidity, or other liquids.
No replacement display seal is included unless specifically stated.
Shipping Restrictions
This product contains a lithium-ion battery and is subject to transportation restrictions.
- This product cannot be shipped to the United States.
- Shipping is available only by eligible ground service within Canada.
- Air shipping, expedited air service, and international shipping are not available.
- Delivery may be unavailable to certain remote destinations.
- Local pickup may be available where offered.
- Orders placed with an ineligible shipping method or destination may be cancelled.
Shipping eligibility remains subject to the carrier’s lithium-battery transportation requirements.
Warranty
This AMPSENTRIX battery is covered by the applicable limited manufacturer warranty against manufacturing defects, subject to AMPSENTRIX terms and the applicable 3C-Easy Markham Component Warranty.
Warranty coverage is limited to qualifying manufacturing defects and does not guarantee a specific runtime, Battery Health reading, or service life.
The warranty does not cover:
- Normal battery-capacity degradation
- Reduced runtime caused by normal use
- Battery Health or parts-related notifications
- Missing or unavailable Maximum Capacity information
- Failure to transfer or program original battery-management components
- Improper installation
- Incorrect battery selection
- Punctured, bent, crushed, torn, leaking, or swollen batteries
- Damage to the battery connector or flex cable
- Damage caused by metal tools
- Physical, impact, pressure, or twisting damage
- Liquid, moisture, or corrosion damage
- Exposure to excessive heat or cold
- Damage caused by unsuitable chargers, cables, or power adapters
- Damage caused by overvoltage or electrical faults
- Charging problems caused by the charging port or logic board
- Unexpected shutdowns caused by unrelated device faults
- Excessive battery drain caused by software or background activity
- Damage caused while removing or reinstalling the battery
- Labour, diagnostics, programming, installation, removal, or related repair costs
The battery must be inspected, installed, and tested before the device is sealed.
Warranty eligibility remains subject to physical inspection and applicable warranty terms.
Important Notes
- AMPSENTRIX Basic replacement battery only unless otherwise stated.
- Standard-capacity aftermarket battery.
- Not a genuine Apple battery.
- Select the exact option for the iPhone 11, 11 Pro, or 11 Pro Max.
- Batteries are not interchangeable between models.
- Battery adhesive is generally preinstalled.
- Replacement display seal is not included.
- Phone, tools, programming equipment, and installation service are not included.
- Battery Health information may be unavailable after replacement.
- A battery-related notification may appear.
- Specialized programming or original-component transfer may be required for supported battery information.
- Battery replacement will not resolve charging or power faults caused by the logic board or other components.
- Never install a punctured, bent, swollen, leaking, or physically damaged battery.
- Removed batteries must be recycled appropriately.
- This product cannot be shipped to the United States.
- Eligible only for ground shipping within Canada.
- Professional installation is strongly recommended.
- Product appearance, markings, labelled capacity, connector design, adhesive configuration, and packaging may vary between production batches.
AMPSENTRIX is a trademark of its respective owner. Apple, iPhone, Battery Health, and related trademarks belong to Apple Inc. and are used only to identify product compatibility. 3C-Easy Markham is not affiliated with or endorsed by Apple Inc.
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