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Samsung Galaxy A51 5G Battery EB-BA516ABY 4500mAh

Factory-direct 4500mAh Samsung A51 5G battery from a Samsung battery manufacturer and OEM battery factory with strict QC, private labels and global shipping.

Samsung Galaxy A51 5G Battery EB-BA516ABY 4500mAh






Why Choose ESC Samsung A51 5G Battery?

Professional Samsung Battery Manufacturer

ESC is an experienced Samsung battery manufacturer supplying replacement batteries to repair chains, refurbishment facilities, mobile phone parts wholesalers, international distributors and private label battery brands.

Professional research and development, automatic production equipment and standardized inspection procedures support consistent specifications, stable production and reliable repeat-order quality.

Factory-Direct Wholesale Supply

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

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

Model-Specific EB-BA516ABY Design

The EB-BA516ABY battery is designed for compatible Samsung Galaxy A51 5G devices in the SM-A516 series.

Its battery dimensions, flex position, connector orientation and electrical parameters are developed for professional model-specific replacement.

Rated 4500mAh Capacity

The Samsung A51 5G battery has a listed capacity of 4500mAh and a standard voltage of 3.85V.

Professional buyers can request samples to verify measured capacity, voltage stability, charging performance and device compatibility before approving bulk production.

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 appropriate charging, storage and operating conditions.

Strict Quality Control

Quality inspections include appearance checking, voltage measurement, internal-resistance testing, capacity verification, charging and discharging tests, PCM testing and aging inspection.

Individual testing supports a factory defect-rate target below 0.1% and a customer-reported defect rate below 1%.

Integrated PCM Protection

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

The protection board, flex cable and connector are inspected before shipment to help reduce electrical abnormalities and installation failures.

OEM Battery Factory Support

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

These services help wholesalers, distributors and private label battery suppliers develop differentiated replacement battery product lines.

Flexible Wholesale MOQ

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 a bulk order.

Stable Production Lead Time

Standard replacement batteries can normally be prepared within approximately seven days when materials and inventory are available.

Custom labels, private packaging and larger production quantities may require additional production time.

Global Battery Shipping

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

The logistics route can be selected according to the destination, order quantity, customs requirements, delivery schedule and transportation budget.

Quick Specifications

Specification Details
Product Name Samsung Galaxy A51 5G Replacement Battery
Battery Model EB-BA516ABY
Compatible Device Samsung Galaxy A51 5G
Compatible Series SM-A516 Series
Battery Type Rechargeable Lithium-Ion Battery
Cell Material Brand-New Pure Cobalt Cell
Rated Capacity 4500mAh
Standard Voltage 3.85V
Product Configuration Replacement Battery With Flex Connector and PCM
Protection Functions Overcharge, Over-Discharge and Short-Circuit Protection
Cycle-Life Target More Than 800 Charging Cycles
Charging Time Approximately 1–3 Hours
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 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
Available Certifications 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

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

Samsung A51 5G battery

What Is a Samsung A51 5G Battery?

Product Definition

A Samsung A51 5G battery is a 4500mAh, 3.85V lithium-ion replacement battery using the EB-BA516ABY reference. ESC is a Samsung battery manufacturer, phone battery supplier and OEM battery factory offering strict QC, private label service, bulk supply and global shipping.

This product is a compatible aftermarket replacement battery intended for professional repair, refurbishment and wholesale supply. It is not an original Samsung service battery.

Key Features

1. Model-Specific EB-BA516ABY Configuration

The EB-BA516ABY design is developed for the battery compartment, connector position and electrical requirements of compatible Samsung Galaxy A51 5G devices.

2. Rated 4500mAh Capacity

The battery provides a listed 4500mAh capacity and a standard voltage of 3.85V for professional Samsung A51 5G battery replacement.

Actual runtime depends on measured capacity, phone condition, screen brightness, mobile network activity, installed applications, charging habits and operating temperature.

3. Complete Replacement Configuration

The product includes a model-matched flex connector and PCM protection board rather than being supplied as a bare lithium-ion cell.

Professional technicians should verify the original battery code, connector position and phone model before installation.

4. More Than 800 Charging Cycles

The brand-new 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 discharge depth, charging voltage, device temperature, charger quality and daily use.

5. OEM and Private Label Support

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

Compatible Samsung Galaxy Models

Compatible Device Model Number Primary Market or Version
Samsung Galaxy A51 5G SM-A516B/DS International Dual-SIM Version
Samsung Galaxy A51 5G SM-A516U United States Carrier Version
Samsung Galaxy A51 5G SM-A516U1 United States Unlocked Version
Samsung Galaxy A51 5G SM-A516W Canada Version
Samsung Galaxy A51 5G SM-A516N South Korea Version
Samsung Galaxy A51 5G SM-A516J Japan Version
Samsung Galaxy A51 5G Other SM-A516 Variants Compatibility Subject to Battery-Code Verification

The EB-BA516ABY battery is intended for the Samsung Galaxy A51 5G platform. It should not be confused with the standard Galaxy A51 4G battery, which uses a different capacity and battery configuration.

Buyers should confirm the phone model number, original battery reference, dimensions, flex orientation and connector position before ordering. Samsung be

Applications

Mobile Phone Repair Shops

The Samsung A51 5G battery is suitable for professional technicians replacing aged, damaged, swollen, fast-draining or low-capacity batteries.

Refurbishment Facilities

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

Samsung Parts Wholesalers

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

Repair Chain Stores

Centralized purchasing helps repair chains maintain standardized battery references, predictable inventory and consistent product quality across multiple service locations.

Private Label Battery Brands

OEM battery customization enables battery brands to add custom logos, product labels, retail boxes, barcodes, instructions and warranty information.

E-Commerce Battery Sellers

The battery is suitable for online sellers requiring accurate compatibility details, retail-ready packaging and reliable repeat supply.

International Distributors

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

ESC Replacement Battery vs Original Factory Battery

Comparison Item ESC Replacement Battery Original Factory Battery
Product Type Compatible aftermarket replacement battery Factory-installed battery assembly
Compatible Device Samsung Galaxy A51 5G Samsung Galaxy A51 5G
Battery Reference EB-BA516ABY Original model-specific battery platform
Capacity Positioning Listed 4500mAh Original 4500mAh battery class
Standard Voltage 3.85V Original model-specific electrical specification
Battery Chemistry Pure Cobalt Lithium-Ion Cell Lithium-Ion Battery
Product Condition Brand-New Replacement Battery Brand-New When Originally Installed
Flex Connector Model-Matched Replacement Flex Original Factory Flex
Protection Board PCM With Electrical Protection Original Factory Protection System
Protection Functions Overcharge, Over-Discharge and Short-Circuit Protection Integrated Original Protection Functions
Installation Method Professional Repair Installation Required Installed During Manufacturing or Authorized Service
Compatibility Verification Confirmed by Device Model, Battery Code and Connector Integrated With the Original Device
Branding ESC, Neutral Label or Customized Private Label Original Manufacturer Identification
Packaging Standard Wholesale or Customized OEM Packaging Original Service-Channel Packaging
Wholesale Availability Available for Professional B2B Purchasing Subject to Original Service-Channel Availability
OEM Labeling Supported Not Available for Third-Party Branding
Private Packaging Supported Not Available
Order Flexibility Supports Single-Model, Mixed-Model and Customized Orders Limited by Official Service-Channel Policies
Single-Model MOQ 20 Pieces Generally Unavailable Through Flexible Wholesale
Warranty 12-Month Supplier Warranty Subject to Original Manufacturer Service Terms
Target Customers 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 Galaxy A51 5G device platform uses a 4500mAh battery class. Replacement-battery capacity, connector compatibility, charging performance and runtime should be verified through sample testing before bulk approval. Samsung Global Newsroom

Quality Control Process

Incoming Cell Inspection

Incoming battery cells are checked for appearance, dimensions, voltage, internal resistance and material consistency before entering production.

Cell Grading

Cells are grouped according to measured capacity, voltage, internal resistance, thickness and self-discharge performance to improve batch consistency.

Capacity Verification

Professional battery analyzers are used to confirm whether measured capacity meets the approved 4500mAh product specification.

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, contact points and connector position are checked for alignment, appearance and electrical connection integrity.

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 tests help identify abnormal self-discharge and unstable electrical performance before shipment.

Final Inspection

Battery appearance, dimensions, model information, flex position, labels, quantities and packaging are checked before order release.

OEM and Private Label Service

Custom Battery Labels

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

Private Label Packaging

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

Barcode and SKU Management

Customized model codes, SKU labels and barcodes help wholesalers manage multiple Samsung replacement battery products.

Mixed-Model Purchasing

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

Export Carton Customization

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

Ordering Information

Quotation Requirements

Provide the required battery model, order 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 position, connector orientation, measured capacity, voltage stability and charging performance.

Compatibility Confirmation

Confirm the phone model number, original battery reference EB-BA516ABY, battery dimensions and connector position before placing an order.

Bulk Production

Bulk production begins after the product model, quantity, label artwork, packaging, payment terms and delivery requirements are confirmed.

Shipping Arrangement

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

FAQ

1. What is the capacity of the Samsung A51 5G battery?

The replacement battery has a listed capacity of 4500mAh and a standard voltage of 3.85V.

Professional buyers can request samples to verify measured capacity, voltage stability and runtime before approving a bulk order.

2. What battery model is used for the Samsung Galaxy A51 5G?

The applicable replacement battery reference is EB-BA516ABY.

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

3. Which phones are compatible with the EB-BA516ABY battery?

The battery is designed for compatible Samsung Galaxy A51 5G devices in the SM-A516 series.

Regional versions may include SM-A516B/DS, SM-A516U, SM-A516U1, SM-A516W, SM-A516N and SM-A516J.

4. Is this battery compatible with the standard Galaxy A51 4G?

No compatibility should be assumed. The Galaxy A51 5G and Galaxy A51 4G use different battery platforms and specifications.

Buyers should always verify the original battery reference before installation.

5. Does the battery include a flex connector and protection board?

Yes. The replacement configuration includes a model-matched flex connector and PCM protection board.

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

6. Is this an original Samsung battery?

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

It should not be described as an original Samsung service battery.

7. 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 products, packaging and customization requirements.

8. Can ESC customize the battery label and packaging?

Yes. ESC supports custom logos, battery labels, retail boxes, barcode labels, instruction cards, warranty cards and export-carton markings.

9. How is the battery quality checked before shipment?

Typical inspections include appearance checking, voltage testing, internal-resistance measurement, capacity verification, PCM testing, flex inspection, charging and discharging tests, aging inspection and final packaging checks.

10. What warranty and shipping methods are available?

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

Shipping options include DHL, UPS, air freight, sea freight, railway freight and road transportation. Delivery time depends on the destination, customs clearance 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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