Replacement Battery Compatible with Samsung Galaxy S24 FE 5G

Restore dependable battery performance to a compatible Samsung Galaxy S24 FE 5G with this replacement internal lithium-ion battery.

This replacement component is intended for Galaxy S24 FE devices experiencing reduced battery life, unexpected shutdowns, rapid battery drain, unstable battery-percentage readings, charging irregularities related to battery condition, or a physically swollen or otherwise degraded original battery.

Samsung specifies the Galaxy S24 FE with a 4,700mAh typical-capacity battery and a 4,565mAh rated minimum capacity.

This replacement battery is intended to replace the internal battery only. It does not repair faults caused by the USB-C charging port, charging circuitry, main logic board, power-management system, wireless-charging assembly, software, or other internal components.

Compatible Models

Designed for compatible versions of:

• Samsung Galaxy S24 FE 5G
• SM-S721 series

Common regional versions include:

• SM-S721W – Canadian version
• SM-S721B / applicable international variants
• Other supported SM-S721 regional versions where battery compatibility has been confirmed

Samsung Canada identifies the Canadian Galaxy S24 FE as the SM-S721W family, while Samsung's international listings use SM-S721B variants.

Important: Always confirm the complete device model number and compare the replacement battery with the original before installation.

How to Confirm the Model Number

The complete Samsung model number can normally be found under:

Settings > About phone > Model name / Model number

It may also appear:

• On the original device packaging
• On the purchase receipt
• Through the carrier account
• On internal product labels
• Through Samsung diagnostic software

Do not order solely by:

• Phone colour
• Storage capacity
• Carrier name
• External appearance
• Processor name
• The general “Galaxy S24 FE” product name

Not Compatible With

This battery should not be assumed compatible with:

• Samsung Galaxy S24
• Samsung Galaxy S24+
• Samsung Galaxy S24 Ultra
• Samsung Galaxy S23 FE
• Samsung Galaxy S21 FE
• Samsung Galaxy S25 series
• Other Samsung Galaxy models

Similar battery dimensions, connector shapes, or capacities do not establish complete compatibility.

Always compare:

• Battery dimensions
• Battery connector
• Flex-cable position
• Printed battery number
• Connector orientation
• Battery shape
• Original device model

before installation.

Product Type

This listing is for an internal rechargeable replacement smartphone battery.

It may also be described as:

• Replacement phone battery
• Internal lithium-ion battery
• Li-ion replacement battery
• Samsung S24 FE battery
• Galaxy S24 FE replacement battery
• Battery cell assembly
• Internal battery pack

Depending on current inventory, printed battery numbers, regulatory markings, manufacturing dates, labels, and packaging may vary.

Battery Capacity

Samsung specifies the Galaxy S24 FE battery at:

• Typical capacity: 4,700mAh
• Rated minimum capacity: 4,565mAh

Typical and rated capacity should not be confused.

Typical capacity represents an estimated average capacity considering normal variation between battery samples.

Rated capacity represents the minimum capacity under the applicable testing standard.

Actual usable capacity and runtime may vary according to:

• Battery condition
• Device condition
• Temperature
• Software
• Network usage
• Charging habits
• Application activity
• Manufacturing variation

Package Contents

This listing generally includes:

• One replacement battery compatible with Samsung Galaxy S24 FE 5G

The following are not included unless expressly stated:

• Samsung Galaxy S24 FE phone
• Battery adhesive
• Rear-cover adhesive
• Charging-port board
• Wireless-charging coil
• NFC assembly
• USB-C charging cable
• Wall charger
• Repair tools
• Installation service
• Diagnostic service

Components shown in generic product photographs should not be assumed included unless specifically identified.

Key Features

• Replacement internal battery for Samsung Galaxy S24 FE 5G
• Designed for compatible SM-S721-series devices
• Intended to replace a worn, degraded, damaged, or defective original battery
• May restore improved usable battery runtime
• May improve standby performance
• May resolve shutdowns caused by battery deterioration
• May resolve rapid battery-percentage drops caused by battery degradation
• Rechargeable lithium-ion battery technology
• Designed for use with the phone's original charging system
• Compatible with supported Galaxy S24 FE charging functions when the remaining device hardware is functioning correctly
• Advanced internal installation required
• Professional installation strongly recommended
• No tools or adhesive included
• 30-day limited parts-only warranty

Common Battery Failure Symptoms

Battery replacement may be appropriate when the phone:

• Has substantially reduced battery life
• Requires charging significantly more frequently than before
• Loses battery percentage unusually quickly
• Shuts down unexpectedly
• Shuts down despite displaying remaining battery percentage
• Powers off during demanding applications
• Experiences sudden battery-percentage drops
• Cannot remain powered without a charger
• Charges normally but discharges unusually quickly
• Becomes unreliable under higher electrical load
• Shows significant battery degradation
• Experiences battery-related diagnostic abnormalities
• Has a physically swollen battery
• Has a damaged battery assembly
• Has experienced excessive battery ageing

Similar symptoms may also be caused by other hardware or software faults.

Proper diagnosis is recommended before battery replacement.

Functions a Replacement Battery May Improve

A correct and functional replacement battery may improve:

• Battery runtime
• Standby time
• Power stability
• Unexpected shutdown behaviour
• Sudden battery-percentage drops
• Performance under electrical load
• Charging consistency where battery degradation was the cause
• Overall reliability of an ageing battery system

Successful improvement depends on the condition of the rest of the phone.

Problems a New Battery May Not Repair

Battery replacement may not resolve problems caused by:

• Damaged USB-C charging port
• Charging-port contamination
• Defective charging circuitry
• Damaged USB-C cable
• Defective wall charger
• Main-board charging failure
• Power-management IC failure
• USB controller failure
• Main-board short circuit
• Damaged battery connector on the main board
• Liquid damage
• Corrosion
• Wireless-charging failure
• Excessive device temperature
• Software problems
• Background applications
• Poor cellular reception
• High display brightness
• Heavy gaming
• Continuous camera use
• GPS-intensive applications
• Defective internal flex cables
• Other main-board faults

Do not assume every charging or battery-runtime problem originates from the battery.

Battery Runtime Notice

Installing a new battery does not guarantee a specific number of operating hours.

Battery runtime varies according to:

• Cellular signal strength
• 5G usage
• Wi-Fi usage
• Display brightness
• Screen-on time
• Display refresh rate
• Gaming
• Video streaming
• Camera use
• GPS and navigation
• Bluetooth
• Background applications
• Push notifications
• Artificial-intelligence processing
• Ambient temperature
• Device temperature
• Software version
• Application behaviour
• Charging habits
• Overall device condition

Samsung also states that actual battery life varies according to factors such as network environment and usage patterns.

A new battery can restore capacity lost through battery ageing, but it cannot eliminate power consumption produced by normal device operation.

Galaxy S24 FE Charging Capability

Samsung specifies the Galaxy S24 FE with support for 25W wired charging. Samsung also advertises approximately 50% charge in around 30 minutes when using appropriate 25W charging equipment under applicable conditions.

Installing a replacement battery does not increase the phone beyond its original charging capability.

Charging speed depends on:

• Battery percentage
• Battery temperature
• Device temperature
• Charger output
• USB cable capability
• USB Power Delivery compatibility
• Charging settings
• Software
• Battery condition
• Charging-port condition
• Main-board condition

Maximum charging power is not necessarily maintained throughout the entire charging cycle.

Fast-Charging Notice

To obtain supported fast-charging performance, compatible charging equipment is required.

A damaged, low-quality, or incompatible charger or cable may cause:

• Slow charging
• Intermittent charging
• Charging disconnections
• Excessive heat
• No fast-charging indication
• Failure to charge

Always test the phone with known-good charging equipment before concluding that the replacement battery is defective.

Lithium-Ion Battery Technology

Rechargeable lithium-ion batteries are consumable components that naturally degrade over time.

Battery ageing is influenced by:

• Number of charge cycles
• Calendar age
• Heat exposure
• Charging temperature
• Storage temperature
• Extended periods at high state of charge
• Repeated deep discharge
• Heavy power consumption
• Fast-charging frequency
• Device workload
• Manufacturing variation

Gradual reduction in usable battery capacity is normal and is not necessarily evidence of a manufacturing defect.

Battery Percentage and Calibration Behaviour

After installing a replacement battery, displayed battery percentage and runtime behaviour may require normal use before becoming fully consistent.

Initial observations can include:

• Percentage changing faster than expected
• Percentage remaining at one value for an extended period
• Runtime differing from the original battery
• Charging speed changing at different battery levels

The phone's battery-management system estimates remaining charge according to electrical measurements and operating conditions.

Do not repeatedly deep-discharge the battery in an attempt to “calibrate” it.

Repeated deep discharge can contribute to unnecessary lithium-ion battery wear.

Battery Safety

Lithium-ion batteries contain substantial stored electrical energy and must be handled carefully.

Do not:

• Puncture the battery
• Bend the battery excessively
• Crush the battery
• Cut the battery
• Fold the battery
• Overheat the battery
• Short battery contacts
• Use sharp metal tools beneath the battery
• Apply uncontrolled heat directly to the battery
• Install a physically damaged battery
• Reuse a swollen battery
• Force a battery into an improperly fitting frame

Stop work immediately if the battery:

• Swells
• Smokes
• Hisses
• Leaks
• Produces a chemical smell
• Becomes abnormally hot
• Has torn outer wrapping
• Has been punctured
• Shows visible physical deformation

A damaged lithium-ion battery may ignite, vent hot gases, or release hazardous material.

Swollen Battery Warning

A swollen battery should not remain installed in the phone.

Possible signs include:

• Rear cover lifting
• Housing separation
• Screen lifting
• Pressure against internal components
• Unusual gaps around the device
• Visible battery expansion
• Difficulty closing the rear cover

Do not:

• Press the cover back into place
• Puncture the swollen battery
• Continue charging unnecessarily
• Apply excessive pressure
• Attempt to flatten the battery
• Reuse the swollen battery

A swollen battery requires appropriate handling and disposal.

Installation Difficulty

Replacing the Galaxy S24 FE battery is an advanced internal repair.

The procedure may require:

• Heating the rear cover
• Separating the rear cover from the frame
• Removing original rear-cover adhesive
• Removing internal covers or brackets
• Disconnecting the battery
• Removing or repositioning the wireless-charging/NFC assembly
• Removing battery adhesive
• Safely releasing the original battery
• Installing suitable replacement battery adhesive
• Reconnecting internal components
• Installing new rear-cover adhesive
• Testing the phone
• Resealing the rear cover

Professional installation is strongly recommended.

Installation Preparation

Before installation:

1. Confirm the exact Galaxy S24 FE model number.
2. Confirm battery compatibility.
3. Compare the replacement battery with the original.
4. Compare battery dimensions and connector position.
5. Inspect the replacement battery for physical damage.
6. Inspect the battery connector.
7. Back up important data.
8. Power off the phone.
9. Remove the SIM tray where appropriate.
10. Work on a clean, static-safe surface.
11. Prepare suitable rear-cover adhesive.
12. Prepare suitable battery adhesive.
13. Review the correct model-specific repair procedure.
14. Prepare battery-safe removal tools.

Do not install a visibly damaged or incompatible battery.

Installation Notes

During installation:

1. Apply controlled heat to soften rear-cover adhesive.
2. Avoid inserting opening tools too deeply.
3. Keep opening tools away from sensitive internal components.
4. Disconnect the battery before working on other internal connectors where appropriate.
5. Do not pry directly into the battery cell with sharp tools.
6. Avoid excessive bending of the battery.
7. Never puncture the battery pouch.
8. Remove old battery adhesive carefully.
9. Keep screws organized according to their original positions.
10. Inspect the battery connector before reconnection.
11. Position the replacement battery correctly.
12. Ensure no cable is trapped beneath the battery.
13. Reconnect the battery without forcing the connector.
14. Test the phone before resealing the rear cover.

Improper installation may damage the phone or create a serious battery-safety hazard.

Components That May Be Damaged During Installation

Improper battery replacement may damage:

• Rear glass
• Replacement battery
• Main logic board
• Battery connector
• Display
• Display flex cables
• Wireless-charging coil
• NFC assembly
• Interconnect cables
• Antenna cables
• Cameras
• Loudspeaker
• Internal brackets
• Rear-cover sealing surfaces

Installation-related damage is not covered by the parts warranty.

Battery Connector Handling

Battery and board connectors are delicate.

Do not:

• Force a misaligned connector
• Press directly on nearby board components
• Pry connectors with unsuitable metal tools
• Apply power with connectors partially seated
• Damage the main-board battery socket
• Apply excessive pressure to the connector area

Connector damage may cause:

• No power
• Intermittent power
• Charging failure
• Unexpected shutdowns
• Battery-detection problems
• Main-board damage

Testing Before Final Assembly

Before resealing the phone, test:

• Phone powers on
• Battery is recognized
• Battery percentage is displayed
• Wired charging
• Fast charging
• Wireless charging where applicable
• Charging stability
• Display
• Touchscreen
• Cameras
• Loudspeaker
• Earpiece
• Microphones
• Cellular signal
• Mobile data
• Wi-Fi
• Bluetooth
• NFC
• Fingerprint reader
• USB data connection
• Device temperature

Allow the phone to operate long enough to identify unusual heating, unstable charging, or unexpected shutdowns.

Do not reseal the rear cover until all relevant functions have been confirmed.

Post-Installation Battery Test

A practical battery test may include:

1. Confirm that the phone powers on normally.
2. Confirm battery percentage is displayed.
3. Connect a known-good charger.
4. Confirm charging begins.
5. Monitor charging behaviour.
6. Confirm battery percentage increases.
7. Monitor battery and device temperature.
8. Disconnect the charger.
9. Confirm the phone remains powered.
10. Use the phone under moderate load.
11. Check for unexpected shutdowns.
12. Test wireless charging where applicable.
13. Allow normal discharge to confirm stable operation.

A short charging test cannot determine the full long-term runtime or lifespan of a replacement battery.

Rear-Cover Adhesive

Opening the Galaxy S24 FE normally compromises the original rear-cover adhesive.

New rear-cover adhesive is not included unless expressly stated.

The installer should obtain suitable model-specific adhesive.

Improper sealing may cause:

• Rear-cover lifting
• Cosmetic gaps
• Dust entry
• Moisture entry
• Loose fitment
• Reduced structural security

Installing replacement adhesive does not guarantee restoration of the original factory ingress-resistance rating.

Water-Resistance Notice

Opening the Samsung Galaxy S24 FE compromises its original factory seal.

Even when new rear-cover adhesive is installed, the original factory water- or dust-resistance rating cannot be guaranteed after repair.

Avoid exposing the repaired phone to:

• Water
• Rain
• Steam
• High humidity
• Condensation
• Showers
• Swimming pools
• Liquid spills

Liquid damage is not covered by the component warranty.

No Tools or Adhesive Included

No repair tools or adhesive are included.

The installer may require:

• Rear-cover adhesive
• Battery adhesive
• Controlled heating equipment
• Opening picks
• Suction tool
• Precision screwdrivers
• Plastic disconnect tools
• Fine tweezers
• Battery-safe removal tools
• Static-protection equipment
• Cleaning materials
• Controlled clamping equipment

The purchaser and installer are responsible for obtaining all required tools and consumables.

Product Condition and Packaging

Unless otherwise stated, this product is supplied as a replacement battery intended for repair use.

Product appearance, labels, printed markings, manufacturing codes, dates, and packaging may vary according to:

• Supplier
• Manufacturing batch
• Production revision
• Manufacturing source
• Packaging revision

Possible differences include:

• Label design
• Printed battery numbers
• Regulatory markings
• Connector appearance
• Flex-cable appearance
• Protective wrapping
• Production-date markings
• Packaging

Do not rely solely on a generic product photograph.

Compatibility should be confirmed through:

• Complete phone model
• Original battery number
• Battery dimensions
• Connector position
• Physical layout

Important Notes

• Replacement battery compatible with Samsung Galaxy S24 FE 5G
• Designed for compatible SM-S721-series devices
• Galaxy S24 FE original battery specification is 4,700mAh typical
• Rated minimum capacity is 4,565mAh
• Designed to replace a worn, degraded, swollen, damaged, or defective battery
• May improve battery runtime where battery deterioration is the cause
• May resolve battery-related unexpected shutdowns
• Does not repair USB-C charging-port faults
• Does not repair main-board charging faults
• Does not repair power-management faults
• Does not eliminate normal power consumption
• Lithium-ion battery requires careful handling
• Advanced internal installation required
• Professional installation strongly recommended
• Rear-cover adhesive is not included unless expressly stated
• Battery adhesive is not included unless expressly stated
• No tools or adhesive included
• Original water resistance cannot be guaranteed after repair
• Test all relevant functions before final reassembly
• 30-day limited parts-only warranty
• Product appearance and markings may vary

30-Day Limited Parts-Only Warranty

This replacement battery includes a 30-day limited parts-only warranty against confirmed manufacturing defects, subject to the applicable 3C-Easy Markham Component Warranty.

Potential covered defects may include:

• Battery does not accept charge when correctly installed in a confirmed compatible functional device
• Battery cannot power a confirmed functional compatible phone
• Abnormal battery behaviour confirmed to originate from the supplied component
• Premature failure caused by a verified manufacturing defect
• Another verified battery manufacturing defect

The warranty does not cover:

• Installation labour
• Removal labour
• Diagnostic charges
• Shipping costs
• Damage to the phone
• Data loss
• Incorrect model selection
• Incompatible battery selection
• Improper installation
• Damaged battery connector
• Torn battery flex
• Punctured battery
• Bent battery
• Crushed battery
• Physical or impact damage
• Liquid or corrosion damage
• Excessive heat exposure
• Damage caused by unsuitable tools
• Damage caused during removal or installation
• Main-board failure
• Charging-port failure
• Charging-circuit failure
• Power-management IC failure
• USB-controller failure
• Software problems
• Excessive battery consumption caused by applications or settings
• Poor runtime caused by device usage patterns
• Charging problems caused by incompatible chargers or cables
• Wireless-charging faults unrelated to the supplied battery
• Damage caused by repeated deep discharge
• Damage caused by improper storage
• Reduced water resistance after repair
• Removed, altered, or damaged warranty labels

The battery should be inspected and tested before final reassembly.

Warranty coverage applies only to the supplied component and does not include labour, installation, removal, device replacement, data recovery, or consequential damage.

Battery Storage and Disposal

Do not dispose of lithium-ion batteries in normal household garbage.

Removed batteries should be handled according to applicable local battery-recycling and hazardous-material requirements.

Protect exposed battery terminals against short circuits during temporary storage and transportation.

Damaged, swollen, punctured, leaking, or overheated batteries require additional precautions and should not be handled or transported in the same manner as normal undamaged batteries.

Intellectual Property Disclaimer

Samsung, Galaxy, Galaxy S, Galaxy S24 FE, Samsung Super Fast Charging, Android, USB Type-C, USB Power Delivery, and related names, logos, and trademarks belong to their respective owners.

3C-Easy Markham is not affiliated with, authorized by, sponsored by, or endorsed by Samsung Electronics, Google, the USB Implementers Forum, or any applicable mobile carrier.

All brand names and model references are used solely to identify product compatibility and intended use.