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Xiaomi Redmi 10X 5G Battery BM4S 4520mAh

Factory-direct 4520mAh BM4S battery from a Xiaomi battery manufacturer and OEM battery factory with strict QC, private label service and global shipping.

Xiaomi Redmi 10X 5G Battery BM4S 4520mAh






Why Choose ESC Xiaomi Redmi 10X 5G Battery?

Professional Xiaomi Battery Manufacturer

ESC is an experienced Xiaomi battery manufacturer serving mobile phone repair shops, refurbishment facilities, phone-parts wholesalers, repair chains, e-commerce sellers and international distributors.

Professional research and development, automated production equipment and standardized inspection procedures support consistent specifications, stable production and reliable repeat orders.

Factory-Direct Wholesale Supply

Purchasing from a factory direct battery wholesaler gives professional buyers direct access to manufacturing, quality inspection, OEM customization, private packaging and after-sales support.

ESC supports sample evaluation, single-model purchasing, mixed-model orders and long-term bulk battery supply programs.

Model-Specific BM4S Configuration

The BM4S battery is designed for compatible Xiaomi Redmi 10X 5G devices.

Its shape, flex position, connector orientation and electrical configuration are intended for professional model-specific installation.

Model-Matched 4520mAh Capacity

The replacement battery has a listed capacity of 4520mAh and a standard voltage of 3.82V.

The Redmi 10X 5G device platform is commonly published with a 4520mAh battery class, making the listed replacement capacity appropriate for compatible versions. ESC

Brand-New Pure-Cobalt Cell

The battery uses a brand-new pure-cobalt lithium-ion cell designed to provide stable voltage output, controlled internal resistance and consistent charging and discharging performance.

Its listed cycle-life target is more than 800 charging cycles under suitable charging, storage and operating conditions.

Strict Quality Control

Quality inspections cover appearance, dimensions, voltage, internal resistance, capacity, charging performance, protection functions and self-discharge behavior.

ESC reports a factory defect-rate target below 0.1% and a customer-reported defect rate below 1%. Batteries are tested individually before shipment.

PCM Safety Protection

The integrated PCM board provides protection against overcharging, over-discharging and short circuits.

The PCM board, flex cable, connector and contact points are inspected to reduce electrical abnormalities and installation-related failures.

OEM Battery Factory Support

As an OEM battery factory, ESC supports customer logos, custom battery labels, barcode labels, retail boxes, instruction cards, warranty cards and export-carton markings.

These services help private label battery suppliers and distributors build differentiated Xiaomi replacement battery product lines.

Flexible MOQ and Mixed-Model Orders

The single-model MOQ is 20 pieces. Mixed-model wholesale orders can start from 100 pieces, depending on the selected products, packaging and customization requirements.

Samples are available for professional buyers to evaluate before approving bulk production.

Stable Lead Time and Warranty

Standard products can normally be prepared within approximately seven days when stock and materials are available.

A 12-month supplier warranty is available for qualified product-quality issues.

Global Battery Shipping

Available shipping methods include DHL, UPS, air freight, sea freight, railway freight and road transportation.

The shipping route can be selected according to the destination, battery quantity, customs requirements, delivery schedule and transportation budget. ESC

Quick Specifications

Specification Details
Product Name Xiaomi Redmi 10X 5G Replacement Battery
Battery Model BM4S
Compatible Device Xiaomi Redmi 10X 5G
Main Device Model M2004J7AC
Additional Compatibility Selected Redmi 10X Pro 5G Versions Subject to Verification
Battery Type Rechargeable Lithium-Ion Battery
Cell Material Brand-New Pure-Cobalt Cell
Capacity 4520mAh
Standard Voltage 3.82V
Product Configuration Replacement Battery With Flex Connection and PCM
Protection Functions Overcharge, Over-Discharge and Short-Circuit Protection
Cycle-Life Target More Than 800 Charging Cycles
Listed Charging Time Approximately 1–3 Hours
Listed Standby Time Approximately 3–7 Days, Depending on Device Use
Working Temperature -10°C to 50°C
Factory Defect-Rate Target Below 0.1%
Customer-Reported Defect Rate Below 1%
Standard Lead Time Within Approximately 7 Days
Warranty 12 Months
Single-Model MOQ 20 Pieces
Mixed-Model MOQ 100 Pieces
OEM Service Custom Logo, Battery Label, Barcode and Private Packaging
Certifications and Documents ISO 9001, CE, FCC, RoHS, IEC 62133, PSE, REACH, UL 2054, MSDS, UN38.3, KC and TISI
Express Shipping DHL or UPS, Approximately 3–6 Days
Air Freight Available According to Destination and Quantity
Sea Freight Approximately 20–40 Days
Railway Freight Approximately 30–35 Days
Road Transportation Approximately 20–25 Days
Shipping Port Shenzhen
Payment Methods T/T, Western Union, L/C, PayPal, MoneyGram and Credit Card

Final certification availability, MOQ, production time and transit schedule should be confirmed according to the production batch, destination, quantity and packaging requirements. ESC

Xiaomi Redmi 10X 5G battery

What Is a Xiaomi Redmi 10X 5G Battery?

Product Definition

A Xiaomi Redmi 10X 5G battery is a 4520mAh, 3.82V Li-ion replacement battery using the BM4S reference. ESC is a Xiaomi battery manufacturer, phone battery supplier and OEM battery factory providing strict QC, private labels, bulk supply and global shipping.

Key Features

1. Model-Specific BM4S Design

The BM4S configuration is designed around the internal battery compartment, flex position, connector orientation and electrical requirements of compatible Redmi 10X 5G devices.

Professional technicians should compare the replacement battery with the original component before installation.

2. Listed 4520mAh Capacity

The battery provides a listed capacity of 4520mAh and a standard voltage of 3.82V.

Actual runtime depends on measured discharge capacity, device condition, display brightness, 5G network activity, installed applications, temperature and charging habits.

3. Complete Replacement Configuration

The product includes a flex connection and PCM protection board rather than being supplied as an unprotected bare lithium-ion cell.

This complete configuration helps professional technicians reduce additional assembly work during replacement.

4. More Than 800 Charging Cycles

The pure-cobalt cell has a listed cycle-life target of more than 800 charging cycles under suitable charging, storage and operating conditions.

Actual cycle life depends on charging voltage, discharge depth, device temperature, charger quality and daily usage.

5. OEM and Private Label Support

Custom logos, battery labels, barcode labels, retail boxes, instruction cards, warranty cards and export cartons are available for wholesale and private label orders. ESC

Compatible Xiaomi Models

Compatible Device Device Model Battery Reference Compatibility Notes
Xiaomi Redmi 10X 5G M2004J7AC BM4S Main Compatible Device
Xiaomi Redmi 10X 5G Regional Versions M2004J7AC BM4S Confirm Original Label and Connector
Xiaomi Redmi 10X Pro 5G M2004J7BC BM4S Subject to Verification Regional or Service Variants May Differ
Redmi 10X Pro 5G Regional Versions M2004J7BC BM4S Subject to Verification Sample Installation Recommended

The Redmi 10X 5G is associated with model M2004J7AC. Replacement-parts listings also associate selected Redmi 10X Pro 5G versions with BM4S, but the original battery code, dimensions and connector must be checked before ordering. 小米固件下载

The BM4S battery should not be confused with batteries for the Redmi 10X 4G, Redmi Note 10 series or other Redmi devices with similar commercial names.

Applications

Mobile Phone Repair Shops

The Xiaomi Redmi 10X 5G battery is suitable for professional technicians replacing aged, damaged, swollen, fast-draining or low-capacity batteries.

Smartphone Refurbishment Facilities

It supports batch refurbishment programs requiring model-specific replacement batteries, controlled specifications and stable repeat supply.

Xiaomi Parts Wholesalers

The BM4S battery can be included in a wholesale Xiaomi replacement battery range for repair shops, technicians, repair chains and regional service centers.

Repair Chain Stores

Centralized purchasing helps repair chains maintain standardized battery references, predictable inventory and consistent installation requirements across multiple locations.

Private Label Battery Brands

OEM customization supports customer logos, branded battery labels, retail boxes, barcodes, instruction cards and warranty materials.

E-Commerce Battery Sellers

The battery is suitable for online sellers requiring accurate compatibility information, retail-ready packaging, barcode management and stable inventory.

International Distributors

Mixed-model purchasing, export documentation and multiple shipping methods support regional distribution and international wholesale programs.

ESC Replacement Battery vs Original Xiaomi Battery

Comparison Item ESC Replacement Battery Original Xiaomi Battery
Product Type Compatible Aftermarket Replacement Battery Factory-Installed or Official Service Battery
Compatible Device Xiaomi Redmi 10X 5G Xiaomi Redmi 10X 5G
Battery Reference BM4S Original BM4S Platform
Capacity Listed 4520mAh 4520mAh Device Battery Class
Standard Voltage ESC Listed 3.82V Confirm Nominal Voltage From Original Label
Battery Chemistry Pure-Cobalt Lithium-Ion Cell Manufacturer-Selected Rechargeable Battery
Product Condition Brand-New Replacement Battery Brand-New When Originally Installed
Flex Connection Model-Matched Replacement Flex Original Factory Flex
Protection System PCM Protection Board Original Factory Protection System
Protection Functions Overcharge, Over-Discharge and Short-Circuit Protection Integrated Original Protection Functions
Cycle-Life Positioning Listed Target of More Than 800 Cycles Depends on Battery Age and Usage Conditions
Charging System Uses the Device Charging Circuit Original Device Charging System
Installation Method Professional Repair Installation Required Installed During Manufacturing or Authorized Service
Compatibility Verification Confirm by Model, Battery Code, Dimensions and Connector Integrated With the Original Device
Branding ESC, Neutral Label or Customized Private Label Original Xiaomi Identification
Packaging Standard Wholesale or Customized OEM Packaging Original Service-Channel Packaging
Wholesale Availability Available for Professional B2B Purchasing Subject to Official Service-Channel Availability
OEM Labeling Supported Not Available for Third-Party Branding
Private Packaging Supported Not Available
Order Flexibility Single-Model, Mixed-Model and Customized Orders Limited by Official Service-Channel Policies
Single-Model MOQ 20 Pieces Generally Not Available Through Flexible Wholesale
Warranty 12-Month Supplier Warranty Subject to Original Manufacturer Service Terms
Target Buyers Repair Shops, Refurbishers, Wholesalers and Distributors Original Manufacturing and Authorized Service Networks
Cost Positioning Competitive Professional Replacement Solution Generally Positioned Within the Official Service Ecosystem

The ESC replacement product and the Redmi 10X 5G device platform are both listed in the 4520mAh capacity class. Voltage labeling can vary between replacement listings, rated specifications and original battery labels, so the approved sample should be checked before bulk production. ESC

Quality Control Process

Incoming Material Inspection

Battery cells, PCM boards, flex cables and connectors are checked for appearance, dimensions, voltage and production consistency before assembly.

Cell Grading

Cells are grouped according to capacity, voltage, internal resistance, thickness, appearance and self-discharge performance.

Consistent cell grading helps reduce performance variation between batteries from the same production batch.

Capacity Verification

Professional battery analyzers are used to measure discharge capacity against the approved BM4S product specification.

Capacity records can be reviewed during sample evaluation according to agreed inspection requirements.

PCM Protection Testing

The PCM board is tested for overcharge, over-discharge and short-circuit protection according to the approved production procedure.

Flex and Connector Inspection

The flex cable, welding points, connector position and contact surfaces are checked for alignment, appearance and electrical continuity.

Charging and Discharging Test

Charging and discharging performance is checked to identify abnormal current, unstable voltage, excessive temperature or early capacity loss.

Aging Inspection

Aging testing helps identify abnormal self-discharge and unstable electrical performance before shipment.

Final Inspection

Battery appearance, dimensions, BM4S reference, printed information, flex position, quantity and packaging are checked before order release. ESC

OEM and Private Label Service

Custom Battery Labels

Customer logos, BM4S references, capacities, voltages, warning information, production batches and traceability codes can be printed on the battery label.

Private Label Packaging

Available options include individual retail boxes, protective trays, barcode labels, instruction cards and warranty cards.

Barcode and SKU Management

Customized product codes, barcode labels and SKU information help wholesalers manage multiple Xiaomi replacement battery models.

Flexible Branding Options

Buyers can select ESC branding, neutral labels or customized private label designs according to their sales channel and target market.

Mixed-Model Purchasing

Different Xiaomi, Redmi, POCO, Samsung, iPhone, Huawei, OPPO, Vivo, tablet and laptop battery models can be combined according to confirmed quantities.

Export Carton Customization

Outer-carton labels, shipping marks, quantities, battery references and customer branding can be customized for international shipments.

Ordering Information

Quotation Requirements

Provide the required battery model, quantity, destination country, packaging requirements, logo files, certification requirements and preferred shipping method.

Sample Evaluation

Professional buyers can request samples to evaluate battery dimensions, flex orientation, connector position, measured capacity, voltage stability and charging performance.

Compatibility Confirmation

Confirm the exact device model, original BM4S reference, original capacity, dimensions and connector position before placing an order.

A photograph of the original battery label is recommended when the regional device version is uncertain.

Bulk Production

Bulk production begins after the battery specification, order quantity, label artwork, packaging, payment terms and delivery requirements are confirmed.

Shipping Arrangement

The recommended transportation route is selected according to battery quantity, destination, customs requirements, delivery schedule and shipping budget.

FAQ

1. What is the capacity of the Xiaomi Redmi 10X 5G battery?

The ESC BM4S replacement battery has a listed capacity of 4520mAh and a standard voltage of 3.82V.

Professional buyers can request samples to verify measured discharge capacity, voltage stability and runtime before approving bulk production. ESC

2. What battery model is used for the Redmi 10X 5G?

The applicable replacement battery reference is BM4S.

Buyers should compare the battery code, capacity, dimensions, flex position and connector orientation with the original battery before ordering.

3. Which device model is compatible with the BM4S battery?

The BM4S battery is primarily designed for the Xiaomi Redmi 10X 5G, identified as device model M2004J7AC.

Compatibility should be confirmed using the original battery label and internal connector layout. 小米固件下载

4. Is the BM4S battery compatible with the Redmi 10X Pro 5G?

Selected replacement-parts listings associate BM4S with the Redmi 10X Pro 5G model M2004J7BC.

Because regional and service variants may differ, buyers should verify the original battery code, dimensions and connector before ordering. Rounded

5. Is BM4S compatible with the Redmi 10X 4G?

No compatibility should be assumed.

The Redmi 10X 4G and Redmi 10X 5G are different device platforms and may use different battery dimensions, flex cables, capacities and connectors.

6. Does the BM4S battery include a protection board?

Yes. The replacement battery includes a PCM board designed to provide overcharge, over-discharge and short-circuit protection.

The protection functions are checked during the production quality-control process.

7. Is this an original Xiaomi battery?

No. It is a compatible aftermarket replacement battery manufactured for professional repair, refurbishment and wholesale markets.

It should not be marketed as an original Xiaomi service battery.

8. How many charging cycles does the battery support?

The listed cycle-life target is more than 800 charging cycles under suitable charging, storage and operating conditions.

Actual cycle life depends on charging voltage, depth of discharge, device temperature, charger quality and daily usage. ESC

9. What is the minimum order quantity?

The single-model MOQ is 20 pieces. Mixed-model wholesale orders can start from 100 pieces.

Final quantities depend on the selected battery models, packaging and customization requirements. ESC

10. What warranty, customization and shipping options are available?

A 12-month supplier warranty is available for qualified product-quality issues. ESC also supports customer logos, private labels, barcode packaging and customized retail boxes.

Shipping methods include DHL, UPS, air freight, sea freight, railway freight and road transportation. Delivery time depends on the destination, customs clearance, quantity and selected logistics route.

Our Factory

Since 2016, ESC has served B2B buyers with replacement batteries and charging products. We offer 3,000+ models for iPhone, Android phones, tablets and laptops, with flexible MOQs, lead times within seven days and a customer-reported defect rate below 1%. Since 2022, we have developed private-mold fast-charging power banks with broad protocol compatibility and thermal control. ESC supports brands, wholesalers, refurbishers and repair chains with OEM/ODM, certification and production services.

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Our Certificates

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ESC certificate 4

OEM & ODM Battery Order Process

  1. 01

    Customer Inquiry & Requirement Confirmation

    Confirm battery models, capacity, quantity, target market, certification and customization requirements.

  2. 02

    Quotation

    Provide a detailed quotation based on product specifications, order quantity, packaging and delivery requirements.

  3. 03

    Customization Details Confirmation

    Confirm customized labels, barcodes, silk-screen artwork, logo printing, packaging and other branding details.

  4. 04

    Order Confirmation

    Finalize product specifications, quantities, unit prices, payment terms, delivery schedule and shipping method.

  5. 05

    Deposit Payment

    The customer pays the agreed deposit so that materials and production can be arranged.

  6. 06

    Production Arrangement

    Arrange material preparation, battery assembly, quality inspection, aging tests, packaging and order completion.

  7. 07

    Balance Payment

    The customer pays the remaining balance after production is completed and the order details are confirmed.

  8. 08

    Shipment

    Arrange shipment by an approved air, sea, railway or express channel according to the destination and order requirements.

  9. 09

    Delivery & Receipt Follow-Up

    Provide shipping documents and tracking information, and follow up until the customer receives the goods.

  10. 10

    24/7 After-Sales Support

    Provide responsive technical assistance, quality-issue analysis and after-sales solutions after delivery.

How to Choose a Reliable Replacement Battery Supplier

Evaluate cell quality, testing capability, assembly details, production consistency and installation support before purchasing smartphone, tablet or laptop replacement batteries.

Verify Battery Model Coverage and Compatibility

Choose a supplier with broad coverage for smartphone, tablet and laptop batteries. Confirm the original battery code, device model, connector position, dimensions, rated voltage and system compatibility before ordering.

A supplier with an established model database can reduce incorrect shipments, installation problems and compatibility-related returns.

1

Check the Quality of Cells and Electronic Components

Battery quality starts with the raw materials. Ask the supplier about:

  • Battery-cell manufacturer and grade
  • Actual cell capacity
  • Cell cycle life
  • PCB and protection-chip solution
  • Connector and flex-cable quality
  • Traceability of key components

Reliable suppliers should use graded cells rather than selecting components only by the lowest price.

2

Review Incoming Material Inspection and Cell Grading

Cells should be tested and grouped according to:

  • Capacity
  • Voltage
  • Internal resistance
  • Self-discharge
  • Thickness and dimensions
  • Appearance

Proper cell grading improves consistency between batteries from the same production batch and reduces abnormal runtime, swelling and early failure.

3

Require Complete Electrical and Compatibility Testing

A professional supplier should test more than the open-circuit voltage. Quality verification should include:

  • Charging and discharging performance
  • Actual capacity
  • Battery current
  • Protection functions
  • Cycle count and battery data
  • Fuel-gauge parameters
  • Device compatibility
  • Temperature performance

Professional battery testers can perform charging, discharging, current calibration and precise parameter comparison, helping identify batteries whose measured data does not match the approved specification.

4

Evaluate Automation and Production Consistency

Automated production processes normally provide better consistency and higher capacity than heavily manual assembly.

Important processes may include:

  • Automatic cell sorting
  • Automatic welding
  • Automatic PCB testing
  • Automatic adhesive application
  • Barcode traceability
  • In-line functional inspection

Automation does not replace quality control, but it helps reduce variation caused by manual positioning, welding and assembly.

5

Inspect Assembly Details

Small assembly details have a major effect on installation efficiency and product reliability.

A well-finished battery should include:

  • Pre-applied battery adhesive
  • Dust-proof protective film
  • Protective sleeve around the flex cable
  • Fixed flex-cable position
  • Stable connector orientation
  • No loose or moving battery cable
  • Clean edges and accurate dimensions

These details reduce flex-cable damage, dust contamination, installation movement and incorrect connector alignment.

6

Confirm In-Process and Final Quality Inspection

The supplier should conduct inspection throughout production rather than checking only finished goods.

Recommended checkpoints include:

  • Incoming material inspection
  • Cell grading
  • PCB and BMS testing
  • Welding inspection
  • Assembly inspection
  • Capacity testing
  • Aging testing
  • Appearance inspection
  • Packaging inspection
  • Final random inspection

Ask whether inspection data can be traced back to the production batch.

7

Compare Capacity Claims, Defect Rate and Certification

Do not select batteries based only on the highest printed capacity.

A credible supplier should provide:

  • Tested capacity data
  • Clear rated voltage and energy
  • Customer-reported defect rate
  • Warranty policy
  • CE, RoHS, FCC, MSDS and UN38.3 documentation where applicable
  • Model-specific certification support

Exaggerated capacity labels without matching cell space, weight and test data are a significant purchasing risk.

8

Follow Correct Battery Installation Procedures

Even a qualified battery can fail if it is installed incorrectly.

Before installation:

  • Discharge the original battery below 25%
  • Power off the device
  • Use non-metallic opening tools
  • Disconnect the battery before handling other internal components
  • Avoid puncturing, bending or crushing the cell
  • Remove the protective film from the adhesive correctly
  • Align the battery and connector before pressing it into place
  • Confirm that the flex cable is not folded, stretched or trapped
  • Reinstall screws and brackets in their original positions
  • Test charging, battery recognition and device functions before final sealing

The installation guide specifically warns that a charged lithium-ion battery may catch fire or explode if punctured, and instructs technicians to power off the phone before disassembly.

9

Contact Us

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Minimum Order: 10 Units
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